{"id":245,"date":"2023-06-23T09:26:11","date_gmt":"2023-06-23T09:26:11","guid":{"rendered":"https:\/\/physigeek.com\/ru\/%d0%bd%d0%be%d1%80%d0%bc%d0%b0%d0%bb%d1%8c%d0%bd%d0%b0%d1%8f-%d1%81%d0%b8%d0%bb%d0%b0\/"},"modified":"2023-06-23T09:26:11","modified_gmt":"2023-06-23T09:26:11","slug":"%d0%bd%d0%be%d1%80%d0%bc%d0%b0%d0%bb%d1%8c%d0%bd%d0%b0%d1%8f-%d1%81%d0%b8%d0%bb%d0%b0","status":"publish","type":"post","link":"https:\/\/physigeek.com\/ru\/%d0%bd%d0%be%d1%80%d0%bc%d0%b0%d0%bb%d1%8c%d0%bd%d0%b0%d1%8f-%d1%81%d0%b8%d0%bb%d0%b0\/","title":{"rendered":"\u041d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430"},"content":{"rendered":"<p>\u0412 \u044d\u0442\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u043e\u0431\u044a\u044f\u0441\u043d\u044f\u0435\u0442\u0441\u044f, \u0447\u0442\u043e \u0442\u0430\u043a\u043e\u0435 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430 \u0438 \u043a\u0430\u043a \u0435\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u0432 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 \u043e\u0442 \u0442\u0438\u043f\u0430 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b. \u0422\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c, \u0432\u044b \u043d\u0430\u0439\u0434\u0435\u0442\u0435 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u044b \u0438, \u043a\u0440\u043e\u043c\u0435 \u0442\u043e\u0433\u043e, \u0441\u043c\u043e\u0436\u0435\u0442\u0435 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u043e\u0432\u0430\u0442\u044c \u044d\u0442\u043e\u0442 \u0442\u0438\u043f \u0441\u0438\u043b\u044b, \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u044f \u0443\u043f\u0440\u0430\u0436\u043d\u0435\u043d\u0438\u044f, \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u0435 \u0448\u0430\u0433 \u0437\u0430 \u0448\u0430\u0433\u043e\u043c. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%C2%BFQue-es-la-fuerza-normal\"><\/span>\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \u0412 \u0444\u0438\u0437\u0438\u043a\u0435 <strong>\u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430<\/strong> \u2014 \u044d\u0442\u043e \u0441\u0438\u043b\u0430, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0430\u044f \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u044c\u044e \u043d\u0430 \u043e\u043f\u0438\u0440\u0430\u044e\u0449\u0435\u0435\u0441\u044f \u043d\u0430 \u043d\u0435\u0435 \u0442\u0435\u043b\u043e. \u0421\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e, \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u044b \u043f\u0435\u0440\u043f\u0435\u043d\u0434\u0438\u043a\u0443\u043b\u044f\u0440\u043d\u043e \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u0438, \u0430 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u044b \u2014 \u043d\u0430\u0440\u0443\u0436\u0443, \u0442\u043e \u0435\u0441\u0442\u044c \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u044c \u043f\u0440\u0438\u043a\u043b\u0430\u0434\u044b\u0432\u0430\u0435\u0442 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0443\u044e \u0441\u0438\u043b\u0443 \u043a \u0442\u0435\u043b\u0443.<\/p>\n<p> \u0412 \u043e\u0431\u0449\u0435\u043c, \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430 \u0441\u043b\u0443\u0436\u0438\u0442 \u0434\u043b\u044f \u043f\u0440\u043e\u0442\u0438\u0432\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f <a href=\"https:\/\/physigeek.com\/ru\/\u0444\u0438\u0437\u0438\u0447\u0435\u0441\u043a\u0438\u0438-\u0432\u0435\u0441\/\">\u0441\u0438\u043b\u0435 \u0432\u0435\u0441\u0430<\/a> , \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u0433\u0440\u0430\u0432\u0438\u0442\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0435 \u043f\u0440\u0438\u0442\u044f\u0436\u0435\u043d\u0438\u0435, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u0417\u0435\u043c\u043b\u044f \u043e\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442 \u043d\u0430 \u043b\u044e\u0431\u043e\u0435 \u0442\u0435\u043b\u043e, \u0438\u043c\u0435\u044e\u0449\u0435\u0435 \u043c\u0430\u0441\u0441\u0443. \u041e\u0434\u043d\u0430\u043a\u043e \u043a\u043e\u0433\u0434\u0430 \u0442\u0435\u043b\u043e \u043b\u0435\u0436\u0438\u0442 \u043d\u0430 \u043d\u0430\u043a\u043b\u043e\u043d\u043d\u043e\u0439 \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u0438, \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u044b \u043c\u043e\u0436\u0435\u0442 \u043e\u043a\u0430\u0437\u0430\u0442\u044c\u0441\u044f \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e. \u041d\u0438\u0436\u0435 \u043c\u044b \u0443\u0432\u0438\u0434\u0438\u043c, \u043a\u0430\u043a \u0440\u0430\u0441\u0441\u0447\u0438\u0442\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430 \u043d\u0430 \u043d\u0430\u043a\u043b\u043e\u043d\u043d\u043e\u0439 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438.<\/p>\n<p> \u041a\u043e\u0440\u043e\u0447\u0435 \u0433\u043e\u0432\u043e\u0440\u044f, <strong><u style=\"text-decoration-color:#4fd12f\">\u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u044b<\/u><\/strong> \u0442\u0430\u043a\u043e\u0432\u044b:<\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\u041d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043a\u043e\u043d\u0442\u0430\u043a\u0442\u043d\u043e\u0439 \u0441\u0438\u043b\u043e\u0439, \u0442\u043e \u0435\u0441\u0442\u044c \u0435\u0435 \u043c\u043e\u0436\u043d\u043e \u043f\u0440\u0438\u043b\u043e\u0436\u0438\u0442\u044c \u0442\u043e\u043b\u044c\u043a\u043e \u0432 \u0442\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435, \u0435\u0441\u043b\u0438 \u0434\u0432\u0435 \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u0438 \u043d\u0430\u0445\u043e\u0434\u044f\u0442\u0441\u044f \u0432 \u043a\u043e\u043d\u0442\u0430\u043a\u0442\u0435.<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\u041d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u044b \u043f\u0435\u0440\u043f\u0435\u043d\u0434\u0438\u043a\u0443\u043b\u044f\u0440\u043d\u043e \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u0438, \u043d\u0430 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u0442\u0435\u043b\u043e.<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\u041d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u044b \u0432\u0441\u0435\u0433\u0434\u0430 \u043d\u0430\u0440\u0443\u0436\u0443, \u043f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u0438\u043c\u0435\u043d\u043d\u043e \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u044c \u043f\u0440\u0438\u043a\u043b\u0430\u0434\u044b\u0432\u0430\u0435\u0442 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0443\u044e \u0441\u0438\u043b\u0443 \u043a \u0442\u0435\u043b\u0443.<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\u0412 \u043e\u0431\u0449\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u0432\u0435\u043b\u0438\u0447\u0438\u043d\u0430 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u044b \u044d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u043d\u0430 \u043f\u0440\u043e\u0435\u043a\u0446\u0438\u0438 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0438\u0440\u0443\u044e\u0449\u0435\u0439 \u0441\u0438\u043b\u044b \u043d\u0430 \u043e\u043f\u043e\u0440\u043d\u0443\u044e \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u044c.<\/span><\/li>\n<li> <span style=\"color:#101010;font-weight: normal;\">\u041e\u0431\u044b\u0447\u043d\u043e \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430 \u043e\u0431\u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442\u0441\u044f \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u043c N \u0438\u043b\u0438 F <sub>N.<\/sub><\/span> <\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Como-calcular-la-fuerza-normal\"><\/span> \u041a\u0430\u043a \u0440\u0430\u0441\u0441\u0447\u0438\u0442\u0430\u0442\u044c \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0443\u044e \u0441\u0438\u043b\u0443<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \u0412 \u043e\u0431\u0449\u0435\u043c, \u0434\u043b\u044f <strong>\u0440\u0430\u0441\u0447\u0435\u0442\u0430 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u044b<\/strong> \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u043f\u0440\u0438\u043c\u0435\u043d\u0438\u0442\u044c \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u0440\u0430\u0432\u043d\u043e\u0432\u0435\u0441\u0438\u044f, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u044e\u0442, \u0447\u0442\u043e \u0442\u0435\u043b\u043e \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u0432 \u0440\u0430\u0432\u043d\u043e\u0432\u0435\u0441\u0438\u0438, \u043a\u043e\u0433\u0434\u0430 \u0441\u0443\u043c\u043c\u0430 \u0432\u0435\u0440\u0442\u0438\u043a\u0430\u043b\u044c\u043d\u044b\u0445 \u0441\u0438\u043b \u0438 \u0441\u0443\u043c\u043c\u0430 \u0433\u043e\u0440\u0438\u0437\u043e\u043d\u0442\u0430\u043b\u044c\u043d\u044b\u0445 \u0441\u0438\u043b \u0440\u0430\u0432\u043d\u044b \u043d\u0443\u043b\u044e.<\/p>\n<p> \u041f\u0440\u0438\u043c\u0435\u043d\u0438\u0432 \u0443\u0441\u043b\u043e\u0432\u0438\u044f \u0440\u0430\u0432\u043d\u043e\u0432\u0435\u0441\u0438\u044f \u043a \u0437\u0430\u0434\u0430\u0447\u0435, \u043c\u044b \u0441\u043c\u043e\u0436\u0435\u043c \u0440\u0435\u0448\u0438\u0442\u044c \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0443\u044e \u0441\u0438\u043b\u0443 \u0438\u0437 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u044b\u0445 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0439 \u0438, \u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e, \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u044b. <\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-a9333695ba02f6e089d628fe3622a2e5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{c}\\displaystyle\\sum \\vv{F_x}=0\\\\[2ex]\\displaystyle\\sum \\vv{F_y}=0\\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"81\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ejemplo-del-calculo-de-la-fuerza-normal\"><\/span> \u041f\u0440\u0438\u043c\u0435\u0440 \u0440\u0430\u0441\u0447\u0435\u0442\u0430 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u044b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \u0422\u0435\u043f\u0435\u0440\u044c, \u043a\u043e\u0433\u0434\u0430 \u043c\u044b \u0437\u043d\u0430\u0435\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u044b, \u0434\u0430\u0432\u0430\u0439\u0442\u0435 \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u044b\u0439 \u043f\u0440\u0438\u043c\u0435\u0440 \u0440\u0430\u0441\u0447\u0435\u0442\u0430 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u044b.<\/p>\n<ul>\n<li> \u0422\u0435\u043b\u043e \u043c\u0430\u0441\u0441\u043e\u0439 8 \u043a\u0433 \u043f\u043e\u043a\u043e\u0438\u0442\u0441\u044f \u043d\u0430 \u0440\u043e\u0432\u043d\u043e\u0439 \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u0438. \u0427\u0435\u043c\u0443 \u0440\u0430\u0432\u043d\u0430 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0430\u044f \u043d\u0430 \u0442\u0435\u043b\u043e \u0441\u043e \u0441\u0442\u043e\u0440\u043e\u043d\u044b \u0437\u0435\u043c\u043b\u0438?<\/li>\n<\/ul>\n<p> \u0412 \u044d\u0442\u043e\u0439 \u0437\u0430\u0434\u0430\u0447\u0435 \u0442\u0435\u043b\u043e \u043f\u043e\u043a\u043e\u0438\u0442\u0441\u044f \u043d\u0430 \u043f\u043b\u043e\u0441\u043a\u043e\u0439 \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u0438, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u043d\u0430 \u043d\u0435\u0433\u043e \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0442 \u0442\u043e\u043b\u044c\u043a\u043e \u0441\u0438\u043b\u044b \u0432\u0435\u0441\u0430 \u0438 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430. <\/p>\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/force-et-poids-normaux.png\" alt=\"\u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430 \u0438 \u0432\u0435\u0441\" class=\"wp-image-4215\" width=\"273\" height=\"297\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/force-et-poids-normaux-275x300.png 275w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/force-et-poids-normaux.png 570w\" sizes=\"auto, (max-width: 275px) 100vw, 275px\"><\/figure>\n<p> \u0418\u0442\u0430\u043a, \u0447\u0442\u043e\u0431\u044b \u0442\u0435\u043b\u043e \u043d\u0430\u0445\u043e\u0434\u0438\u043b\u043e\u0441\u044c \u0432 \u0440\u0430\u0432\u043d\u043e\u0432\u0435\u0441\u0438\u0438 \u043d\u0430 \u043f\u043b\u043e\u0441\u043a\u043e\u0439 \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u0438, \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430 (\u041d) \u0438 \u0441\u0438\u043b\u0430 \u0432\u0435\u0441\u0430 (\u0420) \u0434\u043e\u043b\u0436\u043d\u044b \u0431\u044b\u0442\u044c \u0440\u0430\u0432\u043d\u044b. \u0421\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e, \u043d\u043e\u0440\u043c\u0430\u043b\u044c \u0438 \u0432\u0435\u0441 \u0438\u043c\u0435\u044e\u0442 \u043e\u0434\u043d\u043e \u0438 \u0442\u043e \u0436\u0435 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435, \u043e\u0434\u0438\u043d \u0438 \u0442\u043e\u0442 \u0436\u0435 \u043c\u043e\u0434\u0443\u043b\u044c, \u043d\u043e \u0438\u0445 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0442\u0438\u0432\u043e\u043f\u043e\u043b\u043e\u0436\u043d\u043e.<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-318d3aaff48777c13e5ac24cb775f6b0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"N=P\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"54\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> \u0422\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c, \u0434\u043b\u044f \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u044b \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u0442\u044c \u0432\u0435\u0441 \u0442\u0435\u043b\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u044d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u0435\u043d \u0435\u0433\u043e \u043c\u0430\u0441\u0441\u0435, \u0443\u043c\u043d\u043e\u0436\u0435\u043d\u043d\u043e\u0439 \u043d\u0430 \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u0435 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0430\u0434\u0435\u043d\u0438\u044f: <\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-a7355a420808c17875e97713c4bef5ec_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"N=P=m\\cdot g=8 \\cdot 9,81 = 78,48 \\ N\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"283\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Fuerza-normal-en-un-plano-inclinado\"><\/span> \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430 \u043d\u0430 \u043d\u0430\u043a\u043b\u043e\u043d\u043d\u043e\u0439 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \u0412 \u044d\u0442\u043e\u043c \u0440\u0430\u0437\u0434\u0435\u043b\u0435 \u043c\u044b \u0432\u044b\u0432\u0435\u0434\u0435\u043c \u0444\u043e\u0440\u043c\u0443\u043b\u0443 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u044b \u043d\u0430 \u043d\u0430\u043a\u043b\u043e\u043d\u043d\u043e\u0439 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438, \u0442\u0430\u043a \u043a\u0430\u043a \u0435\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0432 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 \u043e\u0442 \u0442\u043e\u0433\u043e, \u043f\u043b\u043e\u0441\u043a\u0430\u044f \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u044c \u0438\u043b\u0438 \u043d\u0430\u043a\u043b\u043e\u043d\u043d\u0430\u044f.<\/p>\n<p> \u0422\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c, \u043d\u0430 \u0442\u0435\u043b\u043e, \u043b\u0435\u0436\u0430\u0449\u0435\u0435 \u043d\u0430 \u043d\u0430\u043a\u043b\u043e\u043d\u043d\u043e\u0439 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0435 \u0441\u0438\u043b\u044b: <\/p>\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/force-normale-sur-un-plan-incline.png\" alt=\"\u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430 \u043d\u0430 \u043d\u0430\u043a\u043b\u043e\u043d\u043d\u043e\u0439 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438\" class=\"wp-image-4220\" width=\"308\" height=\"417\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/force-normale-sur-un-plan-incline-222x300.png 222w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/force-normale-sur-un-plan-incline-757x1024.png 757w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/force-normale-sur-un-plan-incline-768x1038.png 768w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/force-normale-sur-un-plan-incline.png 770w\" sizes=\"auto, (max-width: 222px) 100vw, 222px\"><\/figure>\n<p> \u041f\u043e\u0441\u043c\u043e\u0442\u0440\u0438\u0442\u0435 \u043d\u0430 \u0440\u0438\u0441\u0443\u043d\u043e\u043a \u0432\u044b\u0448\u0435: \u041a\u043e\u0433\u0434\u0430 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u044c \u043d\u0430\u043a\u043b\u043e\u043d\u0435\u043d\u0430, \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043e\u0441\u0435\u0439 \u0443\u0434\u043e\u0431\u043d\u0435\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435, \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u043e\u0435 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438 (\u043e\u0441\u044c 1) \u0438 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435, \u043f\u0435\u0440\u043f\u0435\u043d\u0434\u0438\u043a\u0443\u043b\u044f\u0440\u043d\u043e\u0435 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438 (\u043e\u0441\u044c 2). \u0422\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c, \u043b\u0435\u0433\u0447\u0435 \u0444\u043e\u0440\u043c\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u0431\u0430\u043b\u0430\u043d\u0441\u0430.<\/p>\n<p> \u0414\u043b\u044f \u0440\u0430\u0441\u0447\u0435\u0442\u0430 <strong>\u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u044b \u043d\u0430 \u043d\u0430\u043a\u043b\u043e\u043d\u043d\u043e\u0439 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438<\/strong> \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u043f\u0440\u0438\u043c\u0435\u043d\u0438\u0442\u044c \u0443\u0441\u043b\u043e\u0432\u0438\u0435 \u0440\u0430\u0432\u043d\u043e\u0432\u0435\u0441\u0438\u044f \u043d\u0430 \u043e\u0441\u0438, \u043f\u0435\u0440\u043f\u0435\u043d\u0434\u0438\u043a\u0443\u043b\u044f\u0440\u043d\u043e\u0439 \u043d\u0430\u043a\u043b\u043e\u043d\u043d\u043e\u0439 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438, \u0442\u0430\u043a \u043a\u0430\u043a \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u0433\u0430\u0440\u0430\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c, \u0447\u0442\u043e \u0442\u0435\u043b\u043e \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u0432 \u0440\u0430\u0432\u043d\u043e\u0432\u0435\u0441\u0438\u0438 \u043d\u0430 \u044d\u0442\u043e\u0439 \u043e\u0441\u0438, \u0430 \u043d\u0435 \u043d\u0430 \u043e\u0441\u0438, \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u043e\u0439 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438. .<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-badff1735c827c6562a4e074ea4b6bd2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\sum \\vv{F_2}=0\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"80\" style=\"vertical-align: -8px;\"><\/p>\n<\/p>\n<p> \u0422\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c, \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430 \u043d\u0430 \u043d\u0430\u043a\u043b\u043e\u043d\u043d\u043e\u0439 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438 \u044d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u043d\u0430 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0439 \u0432\u0435\u0441\u0430 \u043e\u0441\u0438, \u043f\u0435\u0440\u043f\u0435\u043d\u0434\u0438\u043a\u0443\u043b\u044f\u0440\u043d\u043e\u0439 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438:<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-ea3f790cf878ca23f77405f73a20e7c6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"N=P_2\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"58\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<p> \u0421\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0430\u044f \u0432\u0435\u0441\u0430 \u043e\u0441\u0438, \u043f\u0435\u0440\u043f\u0435\u043d\u0434\u0438\u043a\u0443\u043b\u044f\u0440\u043d\u043e\u0439 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438, \u0440\u0430\u0432\u043d\u0430 \u0444\u043e\u0440\u043c\u0443\u043b\u0435 \u0432\u0435\u0441\u0430, \u0443\u043c\u043d\u043e\u0436\u0435\u043d\u043d\u043e\u0433\u043e \u043d\u0430 \u043a\u043e\u0441\u0438\u043d\u0443\u0441 \u0443\u0433\u043b\u0430 \u043d\u0430\u043a\u043b\u043e\u043d\u0430 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438:<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-efeff10487f285abba9d74ee3eba6b45_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P_2=P\\cdot \\cos(\\alpha)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"117\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-9fe1bc1d3a7fbacecb2ce1ccc1dadc67_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P_2=m\\cdot g\\cdot \\cos(\\alpha)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"141\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \u041a\u043e\u0440\u043e\u0447\u0435 \u0433\u043e\u0432\u043e\u0440\u044f, <strong>\u0444\u043e\u0440\u043c\u0443\u043b\u0430 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u044b \u043d\u0430 \u043d\u0430\u043a\u043b\u043e\u043d\u043d\u043e\u0439 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438<\/strong> \u0433\u043b\u0430\u0441\u0438\u0442, \u0447\u0442\u043e \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430 \u0440\u0430\u0432\u043d\u0430 \u043c\u0430\u0441\u0441\u0435 \u0442\u0435\u043b\u0430, \u0443\u043c\u043d\u043e\u0436\u0435\u043d\u043d\u043e\u0439 \u043d\u0430 \u0441\u0438\u043b\u0443 \u0442\u044f\u0436\u0435\u0441\u0442\u0438, \u0443\u043c\u043d\u043e\u0436\u0435\u043d\u043d\u043e\u0439 \u043d\u0430 \u043a\u043e\u0441\u0438\u043d\u0443\u0441 \u0443\u0433\u043b\u0430 \u043d\u0430\u043a\u043b\u043e\u043d\u0430 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438: <\/p>\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/formule-de-la-force-normale-dans-un-plan-incline.png\" alt=\"\u0444\u043e\u0440\u043c\u0443\u043b\u0430 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u044b \u043d\u0430 \u043d\u0430\u043a\u043b\u043e\u043d\u043d\u043e\u0439 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438\" class=\"wp-image-4232\" width=\"269\" height=\"92\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/formule-de-la-force-normale-dans-un-plan-incline-300x102.png 300w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/formule-de-la-force-normale-dans-un-plan-incline.png 576w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"><\/figure>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Fuerza-normal-y-fuerza-de-rozamiento\"><\/span> \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430 \u0438 \u0441\u0438\u043b\u0430 \u0442\u0440\u0435\u043d\u0438\u044f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \u0412 \u044d\u0442\u043e\u043c \u0440\u0430\u0437\u0434\u0435\u043b\u0435 \u043c\u044b \u0443\u0432\u0438\u0434\u0438\u043c \u0432\u0437\u0430\u0438\u043c\u043e\u0441\u0432\u044f\u0437\u044c \u043c\u0435\u0436\u0434\u0443 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u043e\u0439 \u0438 \u0441\u0438\u043b\u043e\u0439 \u0442\u0440\u0435\u043d\u0438\u044f, \u043f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u044d\u0442\u043e \u0434\u0432\u0430 \u0442\u0438\u043f\u0430 \u0441\u0438\u043b, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438. \u041d\u043e \u0441\u043d\u0430\u0447\u0430\u043b\u0430 \u043d\u0443\u0436\u043d\u043e \u0437\u043d\u0430\u0442\u044c, \u0447\u0442\u043e \u0442\u0430\u043a\u043e\u0435 \u0441\u0438\u043b\u0430 \u0442\u0440\u0435\u043d\u0438\u044f.<\/p>\n<p> \u0421\u0438\u043b\u0430 \u0442\u0440\u0435\u043d\u0438\u044f (\u0438\u043b\u0438 \u0441\u0438\u043b\u0430 \u0442\u0440\u0435\u043d\u0438\u044f) \u2014 \u044d\u0442\u043e \u0441\u0438\u043b\u0430, \u0432\u043e\u0437\u043d\u0438\u043a\u0430\u044e\u0449\u0430\u044f \u043f\u0440\u0438 \u043f\u043e\u043f\u044b\u0442\u043a\u0435 \u043f\u0435\u0440\u0435\u043c\u0435\u0441\u0442\u0438\u0442\u044c \u0442\u0435\u043b\u043e \u043f\u043e \u043d\u0435\u0433\u043b\u0430\u0434\u043a\u043e\u0439 \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u0438. \u0421\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e, \u0441\u0438\u043b\u0430 \u0442\u0440\u0435\u043d\u0438\u044f \u2013 \u044d\u0442\u043e \u0441\u0438\u043b\u0430, \u043f\u0440\u043e\u0442\u0438\u0432\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0430\u044f \u0434\u0432\u0438\u0436\u0435\u043d\u0438\u044e \u0442\u0435\u043b\u0430.<\/p>\n<p> \u0421\u0438\u043b\u0430 \u0442\u0440\u0435\u043d\u0438\u044f \u0440\u0430\u0441\u0441\u0447\u0438\u0442\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u044b. \u0422\u043e\u0447\u043d\u0435\u0435, <strong>\u0441\u0438\u043b\u0430 \u0442\u0440\u0435\u043d\u0438\u044f \u0440\u0430\u0432\u043d\u0430 \u043a\u043e\u044d\u0444\u0444\u0438\u0446\u0438\u0435\u043d\u0442\u0443 \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u043d\u043e\u0433\u043e \u0442\u0440\u0435\u043d\u0438\u044f, \u0443\u043c\u043d\u043e\u0436\u0435\u043d\u043d\u043e\u043c\u0443 \u043d\u0430 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0443\u044e \u0441\u0438\u043b\u0443.<\/strong><\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-b8e2dc6a1180d664163aeb969b289073_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"F_R=\\mu \\cdot N\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"86\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p style=\"margin-bottom:5px\"> \u0417\u043e\u043b\u043e\u0442\u043e: <\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:8px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-5b005ac29604de5f2904d2da7ade0238_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"F_R\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"22\" style=\"vertical-align: -3px;\"><\/p>\n<p> \u044d\u0442\u043e \u0441\u0438\u043b\u0430 \u0442\u0440\u0435\u043d\u0438\u044f. <\/span><\/li>\n<li style=\"margin-bottom:8px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-05d9eae892416bd34247a25207f8b718_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\mu\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"11\" style=\"vertical-align: -4px;\"><\/p>\n<p> \u044d\u0442\u043e \u043a\u043e\u044d\u0444\u0444\u0438\u0446\u0438\u0435\u043d\u0442 \u0442\u0440\u0435\u043d\u0438\u044f.<\/span><\/li>\n<li><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-7354bae77b50b7d1faed3e8ea7a3511a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"N\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"><\/p>\n<p> \u044d\u0442\u043e \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0435 \u0441\u043e\u043f\u0440\u043e\u0442\u0438\u0432\u043b\u0435\u043d\u0438\u0435. <\/span><\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ejercicios-resueltos-de-la-fuerza-normal\"><\/span> \u0420\u0435\u0448\u0435\u043d\u043d\u044b\u0435 \u043e\u0431\u044b\u0447\u043d\u044b\u0435 \u0441\u0438\u043b\u043e\u0432\u044b\u0435 \u0443\u043f\u0440\u0430\u0436\u043d\u0435\u043d\u0438\u044f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 class=\"wp-block-heading\"> \u0423\u043f\u0440\u0430\u0436\u043d\u0435\u043d\u0438\u0435 1<\/h3>\n<p> \u0422\u0435\u043b\u043e \u043c\u0430\u0441\u0441\u043e\u0439 5 \u043a\u0433 \u043f\u043e\u043a\u043e\u0438\u0442\u0441\u044f \u043d\u0430 \u0440\u043e\u0432\u043d\u043e\u0439 \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u0438. \u0415\u0441\u043b\u0438 \u0437\u0430\u0442\u0435\u043c \u043d\u0430\u0434 \u043f\u0435\u0440\u0432\u044b\u043c \u0442\u0435\u043b\u043e\u043c \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u0435\u0449\u0435 \u043e\u0434\u043d\u043e \u0442\u0435\u043b\u043e \u043c\u0430\u0441\u0441\u043e\u0439 3 \u043a\u0433, \u043a\u0430\u043a\u043e\u0432\u0430 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430, \u0441 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0437\u0435\u043c\u043b\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u043e\u0431\u0430 \u0442\u0435\u043b\u0430? \u0414\u0430\u043d\u043d\u044b\u0435: g=9,81 \u043c\/ <sup>\u04412<\/sup> . <\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__FFF8E1\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#FFF8E1\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>\u041f\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c \u0440\u0435\u0448\u0435\u043d\u0438\u0435<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \u041f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u0437\u0435\u043c\u043b\u044f \u0434\u043e\u043b\u0436\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0442\u044c \u043e\u0431\u0430 \u0442\u0435\u043b\u0430, \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430 \u0431\u0443\u0434\u0435\u0442 \u0440\u0430\u0432\u043d\u0430 \u0441\u0443\u043c\u043c\u0435 \u0441\u0438\u043b \u0432\u0435\u0441\u0430 \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u0442\u0435\u043b\u0430. \u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u043c\u044b \u0441\u043d\u0430\u0447\u0430\u043b\u0430 \u0440\u0430\u0441\u0441\u0447\u0438\u0442\u0430\u0435\u043c \u0432\u0435\u0441 \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u0442\u0435\u043b\u0430, \u0430 \u0437\u0430\u0442\u0435\u043c \u0441\u043b\u043e\u0436\u0438\u043c \u0438\u0445.<\/p>\n<p class=\"has-text-align-left\"> \u041f\u043e\u043c\u043d\u0438\u0442\u0435, \u0447\u0442\u043e \u0441\u0438\u043b\u0430 \u0433\u0440\u0443\u0437\u0430 \u0440\u0430\u0441\u0441\u0447\u0438\u0442\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u043f\u0443\u0442\u0435\u043c \u0443\u043c\u043d\u043e\u0436\u0435\u043d\u0438\u044f \u043c\u0430\u0441\u0441\u044b \u0442\u0435\u043b\u0430 \u043d\u0430 \u0441\u0438\u043b\u0443 \u0442\u044f\u0436\u0435\u0441\u0442\u0438.<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-c0cdb663ec9f8fe79fbecd960b50fc39_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P=m\\cdot g\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"75\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \u0422\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c, \u0432\u044b\u0447\u0438\u0441\u043b\u044f\u0435\u043c \u0432\u0435\u0441 \u0442\u0435\u043b\u0430 5 \u043a\u0433:<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-a15ef1db0a6608fa8e6165ac0e12e925_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P_1=5\\cdot 9.81=49.05\\N\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"160\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \u0412\u043e-\u0432\u0442\u043e\u0440\u044b\u0445, \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u043c \u0432\u0435\u0441 \u0432\u0442\u043e\u0440\u043e\u0433\u043e \u0442\u0435\u043b\u0430, \u043c\u0430\u0441\u0441\u0430 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0440\u0430\u0432\u043d\u0430 3 \u043a\u0433:<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-d57016899db324fc0f785e92341e9f2f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P_2=3\\cdot 9.81=29.43\\N\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"161\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \u0422\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044f \u0443\u0441\u043b\u043e\u0432\u0438\u0435 \u0432\u0435\u0440\u0442\u0438\u043a\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u0431\u0430\u043b\u0430\u043d\u0441\u0430, \u043c\u044b \u043f\u043e\u043b\u0443\u0447\u0430\u0435\u043c, \u0447\u0442\u043e \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430 \u044d\u043a\u0432\u0438\u0432\u0430\u043b\u0435\u043d\u0442\u043d\u0430 \u0441\u0443\u043c\u043c\u0435 \u0434\u0432\u0443\u0445 \u0432\u0435\u0441\u043e\u0432: <\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-c65761c8213d33892f422dd6b0a29121_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\sum \\vv{F_y}=0\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"81\" style=\"vertical-align: -8px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-808b8980c7dbb5f2b1cdf14418fea88c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"N=P_1+P_2\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"99\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \u0412 \u0437\u0430\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435, \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u044b, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u0439 \u043d\u0430 \u0437\u0435\u043c\u043b\u044e, \u0440\u0430\u0432\u043d\u043e: <\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-c5819ab4ff951b1edbe6efa0a0111243_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"N=49,05+29,43=78,48 \\ N\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"237\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\u0423\u043f\u0440\u0430\u0436\u043d\u0435\u043d\u0438\u0435 2<\/h3>\n<p> \u041a\u0430\u043a \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u043e \u043d\u0430 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u043c \u0440\u0438\u0441\u0443\u043d\u043a\u0435, \u0434\u0432\u0430 \u0442\u0435\u043b\u0430 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u044b \u0432\u0435\u0440\u0435\u0432\u043a\u043e\u0439 \u0438 \u0431\u043b\u043e\u043a\u043e\u043c \u043d\u0435\u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0439 \u043c\u0430\u0441\u0441\u044b. \u0415\u0441\u043b\u0438 \u0442\u0435\u043b\u043e 2 \u0438\u043c\u0435\u0435\u0442 \u043c\u0430\u0441\u0441\u0443 m <sub>2<\/sub> =7 \u043a\u0433 \u0438 \u0443\u0433\u043e\u043b \u043d\u0430\u043a\u043b\u043e\u043d\u0430 \u0440\u0430\u043c\u043f\u044b \u0440\u0430\u0432\u0435\u043d 50\u00b0, \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u0442\u0435 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0443\u044e \u0441\u0438\u043b\u0443, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0443\u044e \u0441\u043e \u0441\u0442\u043e\u0440\u043e\u043d\u044b \u043d\u0430\u043a\u043b\u043e\u043d\u043d\u043e\u0439 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438 \u043d\u0430 \u0442\u0435\u043b\u043e \u043c\u0430\u0441\u0441\u044b m <sub>1<\/sub> , \u0447\u0442\u043e\u0431\u044b \u0432\u0441\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u043d\u0430\u0445\u043e\u0434\u0438\u043b\u0430\u0441\u044c \u0432 \u0440\u0430\u0432\u043d\u043e\u0432\u0435\u0441\u0438\u0438. \u041f\u0440\u0435\u043d\u0435\u0431\u0440\u0435\u0433\u0430\u0439\u0442\u0435 \u0441\u0438\u043b\u043e\u0439 \u0442\u0440\u0435\u043d\u0438\u044f \u043d\u0430 \u043f\u0440\u043e\u0442\u044f\u0436\u0435\u043d\u0438\u0438 \u0432\u0441\u0435\u0433\u043e \u0443\u043f\u0440\u0430\u0436\u043d\u0435\u043d\u0438\u044f. <\/p>\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/probleme-dequilibre-des-forces.png\" alt=\"\u0437\u0430\u0434\u0430\u0447\u0430 \u043f\u043e\u0441\u0442\u0443\u043f\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u0440\u0430\u0432\u043d\u043e\u0432\u0435\u0441\u0438\u044f\" class=\"wp-image-295\" width=\"299\" height=\"240\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/probleme-dequilibre-des-forces-300x241.png 300w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/probleme-dequilibre-des-forces.png 718w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"><\/figure>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__FFF8E1\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#FFF8E1\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>\u041f\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c \u0440\u0435\u0448\u0435\u043d\u0438\u0435<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \u0422\u0435\u043b\u043e 1 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430 \u043d\u0430\u043a\u043b\u043e\u043d\u043d\u043e\u043c \u0441\u043a\u043b\u043e\u043d\u0435, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u043f\u0435\u0440\u0432\u043e\u0435, \u0447\u0442\u043e \u043d\u0443\u0436\u043d\u043e \u0441\u0434\u0435\u043b\u0430\u0442\u044c, \u044d\u0442\u043e \u0432\u0435\u043a\u0442\u043e\u0440\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u0441\u0438\u043b\u0443 \u0435\u0433\u043e \u0432\u0435\u0441\u0430, \u0447\u0442\u043e\u0431\u044b \u0441\u0438\u043b\u044b \u043d\u0430\u0445\u043e\u0434\u0438\u043b\u0438\u0441\u044c \u043d\u0430 \u043e\u0441\u044f\u0445 \u0443\u043a\u043b\u043e\u043d\u0430: <\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-c05811c44aa2d58295c811d612a54eee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P_{1x}=P_1\\cdot \\text{sin}(\\alpha)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"128\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-1a0b77602980cc17cce9b3baef744df8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P_{1y}=P_1\\cdot \\text{cos}(\\alpha)\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"130\" style=\"vertical-align: -6px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \u0422\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c, \u0441\u043e\u0432\u043e\u043a\u0443\u043f\u043d\u043e\u0441\u0442\u044c \u0441\u0438\u043b, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u043d\u0430 \u0432\u0441\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u0443, \u0440\u0430\u0432\u043d\u0430: <\/p>\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/exercice-resolu-equilibre-des-forces.png\" alt=\"\u0423\u043f\u0440\u0430\u0436\u043d\u0435\u043d\u0438\u0435 \u043d\u0430 \u043f\u043e\u0441\u0442\u0443\u043f\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0431\u0430\u043b\u0430\u043d\u0441 \u0440\u0435\u0448\u0435\u043d\u043e\" class=\"wp-image-296\" width=\"338\" height=\"272\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/exercice-resolu-equilibre-des-forces-300x241.png 300w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/exercice-resolu-equilibre-des-forces.png 718w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"><\/figure>\n<p class=\"has-text-align-left\"> \u041f\u043e\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 \u0437\u0430\u0434\u0430\u0447\u0438 \u0433\u043e\u0432\u043e\u0440\u0438\u0442 \u043d\u0430\u043c, \u0447\u0442\u043e \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u0441\u0438\u043b \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u0432 \u0440\u0430\u0432\u043d\u043e\u0432\u0435\u0441\u0438\u0438, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u0434\u0432\u0430 \u0442\u0435\u043b\u0430 \u0434\u043e\u043b\u0436\u043d\u044b \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u044c\u0441\u044f \u0432 \u0440\u0430\u0432\u043d\u043e\u0432\u0435\u0441\u0438\u0438. \u041d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u044d\u0442\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0438\u0442\u044c \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u0440\u0430\u0432\u043d\u043e\u0432\u0435\u0441\u0438\u044f \u0434\u0432\u0443\u0445 \u0442\u0435\u043b: <\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-b62bbb21cbec2be0bba7f8a839b12ba9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"1\\ \\rightarrow \\ \\begin{cases}P_{1x}=T\\\\[2ex]P_{1y}=N\\end{cases} \\qquad\\qquad 2 \\ \\rightarrow \\ T=P_2[\/latex ] Par cons\u00e9quent, la composante vectorielle du poids du corps 1 inclin\u00e9 dans le sens de la pente doit \u00eatre \u00e9gale au poids de l'objet 2. [latex]P_{1x}=P_2\" title=\"Rendered by QuickLaTeX.com\" height=\"83\" width=\"1404\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-4e1b75b6ba5d7bbe88d23e014eb011c5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P_1\\cdot \\text{sin}(\\alpha)=P_2\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"120\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \u0418\u0437 \u043f\u0440\u0435\u0434\u044b\u0434\u0443\u0449\u0435\u0433\u043e \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u0440\u0430\u0441\u0441\u0447\u0438\u0442\u0430\u0442\u044c \u043c\u0430\u0441\u0441\u0443 \u0442\u0435\u043b\u0430 1: <\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-06a53a846ad5bc034f69fa05488404c4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_1\\cdot g \\cdot \\text{sin}(\\alpha) =m_2 \\cdot g\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"174\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-802fde26f3388538d766a709d60cf48b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_1 \\cdot \\text{sin}(\\alpha) =m_2\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"130\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-16ae359d38a8a11d1b1db4988b8eeaf1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_1 \\cdot \\text{sin}(50\\text{\u00ba}) =7\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"130\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-4249c6e274233595f50eedc1da64f56f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_1 =\\cfrac{7}{\\text{sin}(50\\text{\u00ba})}\" title=\"Rendered by QuickLaTeX.com\" height=\"44\" width=\"111\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-6e80f0daabb2167ec2f6622b08001a97_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_1=9,14 \\ kg\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"106\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \u0421 \u0434\u0440\u0443\u0433\u043e\u0439 \u0441\u0442\u043e\u0440\u043e\u043d\u044b, \u0435\u0441\u043b\u0438 \u043c\u044b \u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043d\u0430 \u0441\u0438\u043b\u043e\u0432\u0443\u044e \u0434\u0438\u0430\u0433\u0440\u0430\u043c\u043c\u0443 \u0441\u0438\u0441\u0442\u0435\u043c\u044b, \u0442\u043e \u0443\u0432\u0438\u0434\u0438\u043c, \u0447\u0442\u043e \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430 \u0434\u043e\u043b\u0436\u043d\u0430 \u0431\u044b\u0442\u044c \u0440\u0430\u0432\u043d\u0430 \u0432\u0435\u043a\u0442\u043e\u0440\u043d\u043e\u0439 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0439 \u0432\u0435\u0441\u0430 \u0442\u0435\u043b\u0430 1, \u043f\u0435\u0440\u043f\u0435\u043d\u0434\u0438\u043a\u0443\u043b\u044f\u0440\u043d\u043e\u0439 \u043d\u0430\u043a\u043b\u043e\u043d\u043d\u043e\u0439 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438. <\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-82b47c80ab7ef66a41fc4d4425032831_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P_{1y}=N\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"66\" style=\"vertical-align: -6px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-56ad7b690b37b3f53ca20597e165860b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P_1\\cdot \\text{cos}(\\alpha)=N\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"120\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \u0418\u0442\u0430\u043a, \u0438\u0437 \u044d\u0442\u043e\u0433\u043e \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u043c\u043e\u0436\u043d\u043e \u043d\u0430\u0439\u0442\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u044b: <\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-f258dccd08d6573f74a2261b2192a92f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{l}N=P_1\\cdot \\text{cos}(\\alpha)\\\\[3ex]N=m_1 \\cdot g\\cdot \\text{cos}(\\alpha)\\\\[ 3ex]N=9,14 \\cdot 9,81 \\cdot \\text{cos}(50\\text{\u00ba})\\\\[3ex]N=\\bm{57,63 \\ N}\\end{array}[\/ latex]\n\n<div class=&quot;wp-block-otfm-box-spoiler-end otfm-sp_end&quot;><\/div>\n<h3 class=&quot;wp-block-heading&quot;> Exercice 3<\/h3>\n<p> Nous pla\u00e7ons un corps de masse m=2 kg au sommet d&#8217;une rampe avec un angle d&#8217;inclinaison de 30\u00ba. Quel est le coefficient de frottement entre la rampe et le corps si celui-ci est maintenu en \u00e9quilibre ? Donn\u00e9es : g=9,81 m\/s <sup>2<\/sup> <\/p>\n<figure class=&quot;wp-block-image aligncenter size-full is-resized&quot;><img decoding=&quot;async&quot; loading=&quot;lazy&quot; src=&quot;https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/probleme-de-force-normale-et-de-force-de-friction.png&quot; alt=&quot;&quot; class=&quot;wp-image-4253&quot; width=&quot;285&quot; height=&quot;176&quot; srcset=&quot;https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/probleme-de-force-normale-et-de-force-de-friction-300x185.png 300w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/probleme-de-force-normale-et-de-force-de-friction.png 702w&quot; sizes=&quot;(max-width: 300px) 100vw, 300px&quot;><\/figure>\n<div class=&quot;wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__FFF8E1&quot; role=&quot;button&quot; tabindex=&quot;0&quot; aria-expanded=&quot;false&quot; data-otfm-spc=&quot;#FFF8E1&quot; style=&quot;text-align:center&quot;>\n<div class=&quot;otfm-sp__title&quot;> <strong>Voir la solution<\/strong><\/div>\n<\/div>\n<p> Comme dans tout probl\u00e8me de physique portant sur les forces, la premi\u00e8re chose \u00e0 faire est de dessiner le diagramme du corps libre du syst\u00e8me. Ainsi, toutes les forces qui agissent dans ce syst\u00e8me sont : <\/p>\n<figure class=&quot;wp-block-image aligncenter size-full is-resized&quot;><img decoding=&quot;async&quot; loading=&quot;lazy&quot; src=&quot;https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/exercice-resolu-force-normale-et-friction-force.png&quot; alt=&quot;exercice r\u00e9solu de la force normale et de la force de frottement&quot; class=&quot;wp-image-4254&quot; width=&quot;285&quot; height=&quot;333&quot; srcset=&quot;https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/exercice-resolu-force-normale-et-friction-force-256x300.png 256w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/exercice-resolu-force-normale-et-friction-force.png 702w&quot; sizes=&quot;(max-width: 256px) 100vw, 256px&quot;><\/figure>\n<p> Ainsi, pour que le syst\u00e8me soit en \u00e9quilibre, la somme des forces sur les axes 1 et 2 doit \u00eatre \u00e9gale \u00e0 z\u00e9ro. Par cons\u00e9quent, les \u00e9quations suivantes sont vraies : [latex]F_R=P_1&#8243; title=&#187;Rendered by QuickLaTeX.com&#187; height=&#187;454&#8243; width=&#187;7014&#8243; style=&#187;vertical-align: 0px;&#187;><\/p>\n<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-ea3f790cf878ca23f77405f73a20e7c6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"N=P_2\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"58\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \u0422\u0435\u043f\u0435\u0440\u044c \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u0442\u044c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u044b \u0438\u0437 \u0432\u0442\u043e\u0440\u043e\u0433\u043e \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f:<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-780db8c589b96d398e1400444a11db30_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{l}N=P_2\\\\[3ex]N=P\\cdot \\text{cos}(\\alpha)\\\\[3ex]N=m \\cdot g\\cdot \\text{cos }(\\alpha)\\\\[3ex]N=2 \\cdot 9,81 \\cdot \\text{cos}(30\\text{\u00ba})\\\\[3ex]N=16,99 \\ N\\end{array} \" title=\"Rendered by QuickLaTeX.com\" height=\"196\" width=\"171\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \u0421 \u0434\u0440\u0443\u0433\u043e\u0439 \u0441\u0442\u043e\u0440\u043e\u043d\u044b, \u0432\u0435\u043b\u0438\u0447\u0438\u043d\u0443 \u0441\u0438\u043b\u044b \u0442\u0440\u0435\u043d\u0438\u044f \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u043c \u043f\u043e \u043f\u0435\u0440\u0432\u043e\u043c\u0443 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044e:<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-bef5af0f3a7e907aa90f08435f538cf7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{l}F_R=P_1\\\\[3ex]N=P\\cdot \\text{sin}(\\alpha)\\\\[3ex]F_R=m \\cdot g\\cdot \\text{sin }(\\alpha)\\\\[3ex]F_R=2 \\cdot 9,81 \\cdot \\text{sin}(30\\text{\u00ba})\\\\[3ex]F_R=9,81 \\ N\\end{array} \" title=\"Rendered by QuickLaTeX.com\" height=\"196\" width=\"175\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \u0410\u043d\u0430\u043b\u043e\u0433\u0438\u0447\u043d\u044b\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c, \u0441\u0438\u043b\u0430 \u0442\u0440\u0435\u043d\u0438\u044f \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u043e\u0439 \u0438 \u043a\u043e\u044d\u0444\u0444\u0438\u0446\u0438\u0435\u043d\u0442\u043e\u043c \u0442\u0440\u0435\u043d\u0438\u044f \u043f\u043e \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0439 \u0444\u043e\u0440\u043c\u0443\u043b\u0435:<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-b8e2dc6a1180d664163aeb969b289073_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"F_R=\\mu \\cdot N\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"86\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u0443\u0434\u0430\u043b\u0438\u043c \u0438\u0437 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f \u043a\u043e\u044d\u0444\u0444\u0438\u0446\u0438\u0435\u043d\u0442 \u0442\u0440\u0435\u043d\u0438\u044f \u0438 \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u043c \u0435\u0433\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435: <\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-2bee3710c7506bf8ff2456662a57f279_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\mu=\\cfrac{F_R}{N}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"59\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-69da73a9c8ca8ef047563bcb0b957d4b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\mu=\\cfrac{9,81}{16,99}\" title=\"Rendered by QuickLaTeX.com\" height=\"42\" width=\"80\" style=\"vertical-align: -16px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-87da99c1b6541f3ad374e4ebb3e9daf1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\bm{\\mu=0.58}\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"66\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u0412 \u044d\u0442\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u043e\u0431\u044a\u044f\u0441\u043d\u044f\u0435\u0442\u0441\u044f, \u0447\u0442\u043e \u0442\u0430\u043a\u043e\u0435 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430 \u0438 \u043a\u0430\u043a \u0435\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u0432 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 \u043e\u0442 \u0442\u0438\u043f\u0430 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b. \u0422\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c, \u0432\u044b \u043d\u0430\u0439\u0434\u0435\u0442\u0435 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u043b\u044b \u0438, \u043a\u0440\u043e\u043c\u0435 \u0442\u043e\u0433\u043e, \u0441\u043c\u043e\u0436\u0435\u0442\u0435 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u043e\u0432\u0430\u0442\u044c \u044d\u0442\u043e\u0442 \u0442\u0438\u043f \u0441\u0438\u043b\u044b, \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u044f \u0443\u043f\u0440\u0430\u0436\u043d\u0435\u043d\u0438\u044f, \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u0435 \u0448\u0430\u0433 \u0437\u0430 \u0448\u0430\u0433\u043e\u043c. \u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430? \u0412 \u0444\u0438\u0437\u0438\u043a\u0435 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430 \u2014 \u044d\u0442\u043e \u0441\u0438\u043b\u0430, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0430\u044f \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u044c\u044e \u043d\u0430 \u043e\u043f\u0438\u0440\u0430\u044e\u0449\u0435\u0435\u0441\u044f \u043d\u0430 \u043d\u0435\u0435 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/physigeek.com\/ru\/%d0%bd%d0%be%d1%80%d0%bc%d0%b0%d0%bb%d1%8c%d0%bd%d0%b0%d1%8f-%d1%81%d0%b8%d0%bb%d0%b0\/\"> <span class=\"screen-reader-text\">\u041d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0441\u0438\u043b\u0430<\/span> \u0427\u0438\u0442\u0430\u0442\u044c \u0434\u0430\u043b\u0435\u0435 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