{"id":41,"date":"2023-06-26T22:09:30","date_gmt":"2023-06-26T22:09:30","guid":{"rendered":"https:\/\/physigeek.com\/cn\/%e7%89%9b%e9%a1%bf%e7%ac%ac%e4%ba%8c%e5%ae%9a%e5%be%8b%e6%88%96%e5%8a%a8%e5%8a%9b%e5%ad%a6%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86\/"},"modified":"2023-06-26T22:09:30","modified_gmt":"2023-06-26T22:09:30","slug":"%e7%89%9b%e9%a1%bf%e7%ac%ac%e4%ba%8c%e5%ae%9a%e5%be%8b%e6%88%96%e5%8a%a8%e5%8a%9b%e5%ad%a6%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/physigeek.com\/cn\/%e7%89%9b%e9%a1%bf%e7%ac%ac%e4%ba%8c%e5%ae%9a%e5%be%8b%e6%88%96%e5%8a%a8%e5%8a%9b%e5%ad%a6%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86\/","title":{"rendered":"\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\uff08\u6216\u52a8\u529b\u5b66\u57fa\u672c\u539f\u7406\uff09"},"content":{"rendered":"<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u89e3\u91ca\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\uff08\u4e5f\u79f0\u4e3a\u52a8\u529b\u5b66\u57fa\u672c\u539f\u7406\uff09\u6240\u5efa\u7acb\u7684\u5185\u5bb9\u3002\u60a8\u5c06\u627e\u5230\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\u7684\u516c\u5f0f\u4ee5\u53ca\u51e0\u4e2a\u793a\u4f8b\u3002\u6700\u540e\uff0c\u60a8\u5c06\u80fd\u591f\u9010\u6b65\u89e3\u51b3\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\u7684\u7ec3\u4e60\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%C2%BFCual-es-la-segunda-ley-de-Newton\"><\/span>\u4ec0\u4e48\u662f\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\uff08\u4e5f\u79f0\u4e3a\u52a8\u529b\u5b66\u57fa\u672c\u539f\u7406\uff09\u7684\u8868\u8ff0<\/strong>\u5982\u4e0b\uff1a <\/p>\n<div style=\"background:linear-gradient(to bottom, #FFFFFF 0%, #E1F5FE 100%);  padding-right: 27px; padding-left: 30px; padding-top: 23px; padding-bottom: 0.5px; border: 2px dashed #4FC3F7; border-radius:25px;\">\n<p>\u7269\u4f53\u7684\u52a0\u901f\u5ea6\u4e0e\u65bd\u52a0\u5230\u8be5\u7269\u4f53\u4e0a\u7684\u529b\u6210\u6b63\u6bd4\u3002\u6b64\u5916\uff0c\u8eab\u4f53\u901f\u5ea6\u7684\u53d8\u5316\u5c06\u53d1\u751f\u5728\u6240\u65bd\u52a0\u7684\u529b\u7684\u4f5c\u7528\u7ebf\u4e0a\u3002<\/p>\n<\/div>\n<p>\u4e5f\u5c31\u662f\u8bf4\uff0c\u65bd\u52a0\u5230\u7269\u4f53\u6216\u7cfb\u7edf\u7684\u51c0\u529b\u8d8a\u5927\uff0c\u5b83\u83b7\u5f97\u7684\u52a0\u901f\u5ea6\u5c31\u8d8a\u5927\uff0c\u56e0\u6b64\u79fb\u52a8\u5f97\u8d8a\u5feb\u3002<\/p>\n<p>\u8fd9\u4e2a\u5047\u8bbe\u662f\u5408\u4e4e\u903b\u8f91\u7684\uff0c\u56e0\u4e3a\u5f53\u6211\u4eec\u7528\u529b\u6254\u7403\u65f6\uff0c\u6211\u4eec\u4f1a\u5411\u5b83\u4f20\u9012\u5f88\u5927\u7684\u52a0\u901f\u5ea6\uff0c\u8fd9\u5c31\u662f\u5b83\u83b7\u5f97\u9ad8\u901f\u7684\u539f\u56e0\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u5982\u679c\u6211\u4eec\u6254\u540c\u4e00\u4e2a\u7403\u4f46\u65bd\u52a0\u5f88\u5c0f\u7684\u529b\uff0c\u7403\u5b9e\u9645\u4e0a\u4e0d\u4f1a\u79fb\u52a8\uff0c\u56e0\u4e3a\u5b83\u7684\u52a0\u901f\u5ea6\u5f88\u5c0f\u3002<\/p>\n<p>\u663e\u7136\uff0c\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\u662f\u4ee5\u7269\u7406\u5b66\u5bb6\u827e\u8428\u514b\u00b7\u725b\u987f\u7684\u540d\u5b57\u547d\u540d\u7684\uff0c\u56e0\u4e3a\u4ed6\u662f\u7b2c\u4e00\u4e2a\u63d0\u51fa\u8be5\u5b9a\u5f8b\u7684\u4eba\u3002<\/p>\n<p>\u8bf7\u6ce8\u610f\uff0c\u603b\u5171\u6709\u4e09\u4e2a\u725b\u987f\u5b9a\u5f8b\uff1a<\/p>\n<ul>\n<li>\u725b\u987f\u7b2c\u4e00\u5b9a\u5f8b\u6216\u60ef\u6027\u539f\u7406\u3002<\/li>\n<li>\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\u6216\u52a8\u529b\u5b66\u57fa\u672c\u539f\u7406\u3002<\/li>\n<li>\u725b\u987f\u7b2c\u4e09\u5b9a\u5f8b\u6216\u4f5c\u7528-\u53cd\u4f5c\u7528\u539f\u7406\u3002<\/li>\n<\/ul>\n<p>\u60a8\u53ef\u4ee5\u5728\u6211\u4eec\u7684\u7f51\u7ad9 ingenierizando.com \u4e0a\u67e5\u770b\u6bcf\u4e2a\u725b\u987f\u5b9a\u5f8b\u7684\u5185\u5bb9\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Formula-de-la-segunda-ley-de-Newton\"><\/span>\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\u7684\u516c\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\u7684\u516c\u5f0f<\/strong>\u6307\u51fa\uff0c\u65bd\u52a0\u5230\u7269\u4f53\u4e0a\u7684\u529b\u4e0e\u8be5\u7269\u4f53\u83b7\u5f97\u7684\u52a0\u901f\u5ea6\u6210\u6b63\u6bd4\u3002\u4f5c\u4e3a\u8eab\u4f53\u7684\u8d28\u91cf\uff0c\u5c06\u52a0\u901f\u5ea6\u4e0e\u6240\u65bd\u52a0\u7684\u529b\u8054\u7cfb\u8d77\u6765\u7684\u6bd4\u4f8b\u5e38\u6570\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\u7684\u4ee3\u6570\u8868\u8fbe\u5f0f\u4e3a\uff1a <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/deuxieme-loi-de-newton-ou-principe-fondamental-de-la-dynamique.png\" alt=\"\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\u6216\u52a8\u529b\u5b66\u57fa\u672c\u539f\u7406\" class=\"wp-image-704\" width=\"236\" height=\"236\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/deuxieme-loi-de-newton-ou-principe-fondamental-de-la-dynamique-300x300.png 300w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/deuxieme-loi-de-newton-ou-principe-fondamental-de-la-dynamique-150x150.png 150w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/deuxieme-loi-de-newton-ou-principe-fondamental-de-la-dynamique.png 510w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"><\/figure>\n<\/div>\n<p>\u91d1\u5b50\uff1a <\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:12px\"><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-88df03c55e081c7cd9da4e7d74ba7265_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"F\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u662f\u4f5c\u7528\u5728\u8eab\u4f53\u6216\u7cfb\u7edf\u4e0a\u7684\u603b\u529b\u3002\u56fd\u9645\u4f53\u7cfb\u4e2d\u529b\u7684\u6d4b\u91cf\u5355\u4f4d\u662f\u725b\u987f\uff08N\uff09\u3002 <\/span><\/li>\n<li style=\"margin-bottom:12px\"><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-fdc40b8ad1cdad0aab9d632215459d28_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"15\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u662f\u7269\u4f53\u6216\u7cfb\u7edf\u7684\u8d28\u91cf\uff0c\u5176\u5728\u56fd\u9645\u4f53\u7cfb\u4e2d\u7684\u8ba1\u91cf\u5355\u4f4d\u662f\u5343\u514b\uff08kg\uff09\u3002<\/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-0e55b0b3943237ccfc96979505679274_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u662f\u7269\u4f53\u6216\u7cfb\u7edf\u83b7\u5f97\u7684\u52a0\u901f\u5ea6\uff0c\u5728\u56fd\u9645\u4f53\u7cfb\u4e2d\u4ee5\u7c73\u6bcf\u5e73\u65b9\u79d2 (m\/s <sup>2<\/sup> ) \u4e3a\u5355\u4f4d\u8fdb\u884c\u6d4b\u91cf\u3002<\/span><\/li>\n<\/ul>\n<p>\u8bf7\u8bb0\u4f4f\uff0c\u4e3a\u4e86\u6ee1\u8db3\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\u7684\u65b9\u7a0b\uff0c\u5fc5\u987b\u8868\u8fbe\u56fd\u9645\u4f53\u7cfb\u4e2d\u7684\u6240\u6709\u6570\u5b57\u3002<\/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-831a7c81cb25db6e3a6dd955081b1dfc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\" 1 \\ N = 1 \\ kg\\cdot 1 \\ \\ cfrac{m}{s^2}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"195\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p>\u901a\u5e38\uff0c\u4e3a\u4e86\u89e3\u51b3\u7269\u7406\u5b66\u4e2d\u7684\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\u95ee\u9898\uff0c\u4f7f\u7528\u4e0a\u9762\u770b\u5230\u7684\u516c\u5f0f\u3002\u4f46\u8fd9\u4e2a\u516c\u5f0f\u4e5f\u53ef\u4ee5\u5728\u6570\u5b66\u4e0a\u8868\u8fbe\u4e3a\u52a8\u91cf\uff08\u6216\u7ebf\u6027\u52a8\u91cf\uff09\u968f\u65f6\u95f4\u7684\u53d8\u5316\uff1a<\/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-cd660f37a1eb943623dba1614eb81010_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"F=\\cfrac{dp}{dt}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"58\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p>\u5982\u679c\u60a8\u4e0d\u7406\u89e3\u524d\u9762\u7684\u8868\u8fbe\u5f0f\uff0c\u8bf7\u4e0d\u8981\u62c5\u5fc3\uff0c\u56e0\u4e3a\u60a8\u9700\u8981\u4e86\u89e3\u5bfc\u6570\uff0c\u5e76\u4e14\u5b83\u4eec\u901a\u5e38\u5728\u9ad8\u7ea7\u6570\u5b66\u8bfe\u7a0b\u4e2d\u6559\u6388\u3002\u91cd\u8981\u7684\u662f\u4f60\u8981\u8bb0\u4f4f\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\uff08\u6216\u52a8\u529b\u5b66\u7684\u57fa\u672c\u539f\u7406\uff09\u7684\u6982\u5ff5\u5e76\u8bb0\u4f4f\u7b2c\u4e00\u4e2a\u516c\u5f0f\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ejemplos-de-la-segunda-ley-de-Newton\"><\/span>\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\u7684\u4f8b\u5b50<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u73b0\u5728\u6211\u4eec\u77e5\u9053\u4e86\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\uff08\u4e5f\u79f0\u4e3a\u52a8\u529b\u5b66\u57fa\u672c\u539f\u7406\u6216\u52a8\u529b\u5b66\u57fa\u672c\u5b9a\u5f8b\uff09\u7684\u5b9a\u4e49\uff0c\u8ba9\u6211\u4eec\u770b\u4e00\u4e0b\u8be5\u89c4\u5219\u7684\u51e0\u4e2a\u793a\u4f8b\uff0c\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u5176\u542b\u4e49\u3002<\/p>\n<ol style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:25px\"><span style=\"color:#101010;font-weight: normal;\">\u79fb\u52a8\u9759\u6b62\u7269\u4f53\u6240\u9700\u65bd\u52a0\u7684\u529b\u53d6\u51b3\u4e8e\u5176\u8d28\u91cf\uff1a\u8d28\u91cf\u8d8a\u5927\uff0c\u5411\u7269\u4f53\u4f20\u9012\u52a0\u901f\u5ea6\u6240\u9700\u65bd\u52a0\u7684\u529b\u5c31\u8d8a\u5927\u3002\u4f8b\u5982\uff0c\u79fb\u52a8\u6c99\u53d1\u5fc5\u987b\u6bd4\u79fb\u52a8\u4e66\u65bd\u52a0\u66f4\u5927\u7684\u529b\uff08\u4e24\u8005\u5177\u6709\u76f8\u540c\u7684\u52a0\u901f\u5ea6\uff09\u3002<\/span><\/li>\n<li style=\"margin-bottom:25px\"><span style=\"color:#101010;font-weight: normal;\">\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\u7684\u53e6\u4e00\u4e2a\u4f8b\u5b50\u662f\uff0c\u7269\u4f53\u7684\u79fb\u52a8\u7a0b\u5ea6\u53d6\u51b3\u4e8e\u65bd\u52a0\u5728\u5176\u4e0a\u7684\u529b\u3002\u5f53\u4f60\u51fb\u7403\u65f6\uff0c\u51fb\u7403\u4f1a\u83b7\u5f97\u6bd4\u7528\u624b\u6307\u79fb\u52a8\u7403\u66f4\u5927\u7684\u52a0\u901f\u5ea6\u3002<\/span> <\/li>\n<\/ol>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ejercicios-resueltos-de-la-segunda-ley-de-Newton\"><\/span>\u89e3\u51b3\u4e86\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\u7684\u7ec3\u4e60<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 class=\"wp-block-heading\">\u7ec3\u4e601<\/h3>\n<p>\u5982\u679c\u5bf9 25 \u516c\u65a4\u7684\u7269\u4f53\u65bd\u52a0 145 N \u7684\u529b\uff0c\u8be5\u7269\u4f53\u83b7\u5f97\u7684\u52a0\u901f\u5ea6\u662f\u591a\u5c11\uff1f <\/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>\u67e5\u770b\u89e3\u51b3\u65b9\u6848<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\u7684\u516c\u5f0f\uff0c\u5373\uff1a<\/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-99cf37519d1034196143b5a53c677b36_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"F=m\\cdot a\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"75\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \u73b0\u5728\u6211\u4eec\u901a\u8fc7\u4ee5\u4e0b\u516c\u5f0f\u6c42\u89e3\u52a0\u901f\u5ea6\uff1a<\/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-fff8770fd096a19b52b29e4827b76130_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a=\\cfrac{F}{m}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"51\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \u529b\u548c\u8d28\u91cf\u5747\u91c7\u7528\u56fd\u9645\u5355\u4f4d\u5236\u8868\u793a\uff0c\u56e0\u6b64\u53ea\u9700\u5c06\u6570\u636e\u4ee3\u5165\u516c\u5f0f\u5e76\u8ba1\u7b97\u52a0\u901f\u5ea6\uff1a <\/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-8bd0f0cd703790dcad1f115d5a4a828e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a=\\cfrac{145}{25}=5.8 \\ \\cfrac{m}{s^2} \" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"133\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\u7ec3\u4e602<\/h3>\n<p> 11 kg \u7684\u8eab\u4f53\u4ece\u9759\u6b62\u5f00\u59cb\u5728 4 \u79d2\u5185\u83b7\u5f97 9 m\/s \u7684\u901f\u5ea6\u3002\u65bd\u52a0\u591a\u5927\u7684\u529b\uff1f <\/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>\u67e5\u770b\u89e3\u51b3\u65b9\u6848<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4e0d\u77e5\u9053\u7269\u4f53\u7684\u7ebf\u6027\u52a0\u901f\u5ea6\uff0c\u4f46\u6211\u4eec\u77e5\u9053\u5b83\u7684\u521d\u59cb\u901f\u5ea6\u3001\u6700\u7ec8\u901f\u5ea6\u548c\u7ecf\u8fc7\u7684\u65f6\u95f4\u3002\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u8ba1\u7b97\u52a0\u901f\u5ea6\u5982\u4e0b\uff1a<\/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-df9462e878eb43703d6687573ea07e81_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a=\\cfrac{v-v_0}{t-t_0}=\\cfrac{9-0}{4-0}=2.25 \\ \\cfrac{m}{s^2}\" title=\"Rendered by QuickLaTeX.com\" height=\"41\" width=\"227\" style=\"vertical-align: -15px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \u8fd9\u6837\uff0c\u6211\u4eec\u73b0\u5728\u53ef\u4ee5\u4f7f\u7528\u52a8\u529b\u5b66\u57fa\u672c\u539f\u7406\u4e2d\u7684\u516c\u5f0f\u6765\u6c42\u51fa\u6240\u65bd\u52a0\u7684\u529b\u7684\u5927\u5c0f\uff1a <\/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-88941402d4c1ea8d83445e5ed062a352_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"F=m\\cdot a=11\\cdot 2,25=24,75 \\ N\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"253\" 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\">\u7ec3\u4e603<\/h3>\n<p>\u4f7f\u7528\u673a\u5668\uff0c\u5bf9 40 \u516c\u65a4\u91cd\u7684\u7269\u4f53\u65bd\u52a0 700 N \u7684\u529b\u6765\u79fb\u52a8\u5b83\u3002\u5982\u679c\u8eab\u4f53\u4e0e\u5730\u9762\u4e4b\u95f4\u7684\u6469\u64e6\u529b\u503c\u4e3a\u5e38\u6570450 N\uff0c\u90a3\u4e48\u5f53\u529b\u65bd\u52a0\u5230\u8eab\u4f53\u4e0a\u65f6\uff0c\u52a0\u901f\u5ea6\u662f\u591a\u5c11\uff1f <\/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>\u67e5\u770b\u89e3\u51b3\u65b9\u6848<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u6469\u64e6\u529b\u4e0e\u8eab\u4f53\u7684\u8fd0\u52a8\u76f8\u53cd\uff0c\u56e0\u6b64\u6211\u4eec\u5fc5\u987b\u9996\u5148\u8ba1\u7b97\u65bd\u52a0\u5728\u8eab\u4f53\u4e0a\u7684\u51c0\u529b\uff1a<\/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-1b002031de3cc021806f3a743c9f81b6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"F_{net}=700-450=250 \\N\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"181\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \u5176\u6b21\uff0c\u6211\u4eec\u5229\u7528\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\u7684\u6570\u5b66\u516c\u5f0f\uff1a<\/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-99cf37519d1034196143b5a53c677b36_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"F=m\\cdot a\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"75\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \u6211\u4eec\u6c42\u89e3\u52a0\u901f\u5ea6\uff1a<\/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-8425a700374e464450c7b30d3e84bf32_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a=\\cfrac{m}{F}\" title=\"Rendered by QuickLaTeX.com\" height=\"34\" width=\"51\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \u6211\u4eec\u5c06\u529b\u548c\u8d28\u91cf\u7684\u503c\u4ee3\u5165\u516c\u5f0f\u5373\u53ef\u6c42\u51fa\u7269\u4f53\u7684\u52a0\u901f\u5ea6\uff1a <\/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-b60055e9b813eebba48cf82c9db7afdd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a=\\cfrac{250}{40}=6,25 \\ \\cfrac{m}{s^2} \" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"145\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u89e3\u91ca\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\uff08\u4e5f\u79f0\u4e3a\u52a8\u529b\u5b66\u57fa\u672c\u539f\u7406\uff09\u6240\u5efa\u7acb\u7684\u5185\u5bb9\u3002\u60a8\u5c06\u627e\u5230\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\u7684\u516c\u5f0f\u4ee5\u53ca\u51e0\u4e2a\u793a\u4f8b\u3002 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/physigeek.com\/cn\/%e7%89%9b%e9%a1%bf%e7%ac%ac%e4%ba%8c%e5%ae%9a%e5%be%8b%e6%88%96%e5%8a%a8%e5%8a%9b%e5%ad%a6%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86\/\"> <span class=\"screen-reader-text\">\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\uff08\u6216\u52a8\u529b\u5b66\u57fa\u672c\u539f\u7406\uff09<\/span> \u67e5\u770b\u5168\u6587 &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[5],"tags":[],"class_list":["post-41","post","type-post","status-publish","format-standard","hentry","category-5"],"yoast_head":"<!-- This site is optimized 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