{"id":247,"date":"2023-06-23T09:26:11","date_gmt":"2023-06-23T09:26:11","guid":{"rendered":"https:\/\/physigeek.com\/ko\/%e1%84%89%e1%85%ae%e1%84%8c%e1%85%b5%e1%86%a8%e1%84%85%e1%85%a7%e1%86%a8-2\/"},"modified":"2023-06-23T09:26:11","modified_gmt":"2023-06-23T09:26:11","slug":"%e1%84%89%e1%85%ae%e1%84%8c%e1%85%b5%e1%86%a8%e1%84%85%e1%85%a7%e1%86%a8-2","status":"publish","type":"post","link":"https:\/\/physigeek.com\/ko\/%e1%84%89%e1%85%ae%e1%84%8c%e1%85%b5%e1%86%a8%e1%84%85%e1%85%a7%e1%86%a8-2\/","title":{"rendered":"\ubcf4\ud1b5 \uac15\ub3c4"},"content":{"rendered":"<p>\uc774 \uae00\uc5d0\uc11c\ub294 \uc218\uc9c1\ud56d\ub825\uc774 \ubb34\uc5c7\uc778\uc9c0, \uadf8\ub9ac\uace0 \ubb38\uc81c \uc720\ud615\uc5d0 \ub530\ub77c \uc774\ub97c \uacb0\uc815\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \ub2f9\uc2e0\uc740 \uc218\uc9c1 \ud798\uc758 \ud2b9\uc9d5\uc744 \ubc1c\uacac\ud558\uac8c \ub420 \uac83\uc774\uba70, \ub610\ud55c \ub2e8\uacc4\ubcc4\ub85c \ud574\uacb0\ub418\ub294 \uc5f0\uc2b5\uc744 \ud1b5\ud574 \uc774\ub7ec\ud55c \uc720\ud615\uc758 \ud798\uc744 \uc5f0\uc2b5\ud560 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%C2%BFQue-es-la-fuerza-normal\"><\/span>\uc218\uc9c1\ub825\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \ubb3c\ub9ac\ud559\uc5d0\uc11c <strong>\uc218\uc9c1\ub825\uc740<\/strong> \ubb3c\uccb4\uc758 \ud45c\uba74\uc774 \uadf8 \uc704\uc5d0 \ub193\uc5ec \uc788\ub294 \ud45c\uba74\uc5d0 \uc758\ud574 \uac00\ud574\uc9c0\ub294 \ud798\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc218\uc9c1\ub825\uc758 \ubc29\ud5a5\uc740 \ud45c\uba74\uc5d0 \uc218\uc9c1\uc774\uace0 \uc218\uc9c1\ub825\uc758 \ubc29\ud5a5\uc740 \ubc14\uae65\ucabd\uc785\ub2c8\ub2e4. \uc989 \ud45c\uba74\uc740 \ubab8\uccb4\ub97c \ud5a5\ud574 \uc218\uc9c1\ub825\uc744 \uc801\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<p> \uc77c\ubc18\uc801\uc73c\ub85c \uc218\uc9c1\ub825\uc740 \uc9c0\uad6c\uac00 \uc9c8\ub7c9\uc774 \uc788\ub294 \ubaa8\ub4e0 \ubb3c\uccb4\uc5d0 \uac00\ud558\ub294 \uc911\ub825\uc778 <a href=\"https:\/\/physigeek.com\/ko\/\u110e\u1166\u110c\u116e\u11bc\/\">\ubb34\uac8c\ub825(weight force)<\/a> \uc5d0 \ub300\uc751\ud558\ub294 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc2e0\uccb4\uac00 \uacbd\uc0ac\uc9c4 \ud45c\uba74\uc5d0 \ub193\uc5ec \uc788\ub294 \uacbd\uc6b0 \uc218\uc9c1\ub825\uc758 \uac12\uc774 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798\uc5d0\uc11c\ub294 \uacbd\uc0ac\uba74\uc758 \uc218\uc9c1\ub825\uc774 \uc5b4\ub5bb\uac8c \uacc4\uc0b0\ub418\ub294\uc9c0 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<p> \uac04\ub2e8\ud788 \ub9d0\ud574\uc11c, <strong><u style=\"text-decoration-color:#4fd12f\">\uc218\uc9c1\ud56d\ub825\uc758 \ud2b9\uc9d5\uc740<\/u><\/strong> \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\uc218\uc9c1\ub825\uc740 \uc811\ucd09\ub825\uc785\ub2c8\ub2e4. \uc989, \ub450 \ud45c\uba74\uc774 \uc811\ucd09\ud558\ub294 \uacbd\uc6b0\uc5d0\ub9cc \uc801\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\uc218\uc9c1\ub825\uc758 \ubc29\ud5a5\uc740 \ubb3c\uccb4\uac00 \ub0a8\uc544 \uc788\ub294 \ud45c\uba74\uc5d0 \uc218\uc9c1\uc785\ub2c8\ub2e4.<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\uc218\uc9c1\ub825\uc758 \ubc29\ud5a5\uc740 \ubab8\uccb4\uc5d0 \uc218\uc9c1\ub825\uc744 \uc801\uc6a9\ud558\ub294 \ud45c\uba74\uc774\ubbc0\ub85c \ud56d\uc0c1 \ubc14\uae65\ucabd\uc785\ub2c8\ub2e4.<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\uc77c\ubc18\uc801\uc73c\ub85c \uc218\uc9c1\ub825\uc758 \ud06c\uae30\ub294 \uacb0\uacfc\uc801\uc778 \ud798\uc774 \uc9c0\uc9c0 \ud45c\uba74\uc5d0 \ud22c\uc601\ub418\ub294 \uac83\uacfc \ub3d9\uc77c\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li> <span style=\"color:#101010;font-weight: normal;\">\uc77c\ubc18\uc801\uc73c\ub85c \uc218\uc9c1\ub825\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uae30\ud638 N \ub610\ub294 <sub>FN<\/sub> \uc73c\ub85c \ud45c\uc2dc\ub429\ub2c8\ub2e4.<\/span> <\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Como-calcular-la-fuerza-normal\"><\/span> \uc218\uc9c1\ud56d\ub825\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \uc77c\ubc18\uc801\uc73c\ub85c <strong>\uc218\uc9c1\ub825\uc744 \uacc4\uc0b0<\/strong> \ud558\ub824\uba74 \ud3c9\ud615 \ubc29\uc815\uc2dd\uc744 \uc801\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774 \ubc29\uc815\uc2dd\uc740 \uc218\uc9c1 \ud798\uc758 \ud569\uacfc \uc218\ud3c9 \ud798\uc758 \ud569\uc774 0\uc77c \ub54c \ubb3c\uccb4\uac00 \ud3c9\ud615 \uc0c1\ud0dc\uc5d0 \uc788\uc74c\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n<p> \ubb38\uc81c\uc5d0 \ud3c9\ud615 \uc870\uac74\uc744 \uc801\uc6a9\ud568\uc73c\ub85c\uc368 \uc6b0\ub9ac\ub294 \uc81c\uc548\ub41c \ubc29\uc815\uc2dd\uc73c\ub85c\ubd80\ud130 \uc218\uc9c1\ub825\uc744 \ud480 \uc218 \uc788\uace0 \uc774\uc5d0 \ub530\ub77c \uc218\uc9c1\ub825\uc758 \uac12\uc744 \uacb0\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/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> \uc218\uc9c1\ub825 \uacc4\uc0b0\uc758 \uc608<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \uc774\uc81c \uc218\uc9c1\ud56d\ub825\uc758 \uc815\uc758\ub97c \uc54c\uc558\uc73c\ub2c8 \uc218\uc9c1\ud56d\ub825\uc744 \uacc4\uc0b0\ud558\ub294 \uad6c\uccb4\uc801\uc778 \uc608\ub97c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li> \ubb34\uac8c 8kg\uc758 \ubab8\uc774 \ud3c9\ud3c9\ud55c \ub545\uc5d0 \ub193\uc5ec \uc788\uc2b5\ub2c8\ub2e4. \uc9c0\uba74\uc774 \ubb3c\uccb4\uc5d0 \uac00\ud558\ub294 \uc218\uc9c1\ub825\uc758 \uac12\uc740 \uc5bc\ub9c8\uc785\ub2c8\uae4c?<\/li>\n<\/ul>\n<p> \uc774 \ubb38\uc81c\uc5d0\uc11c\ub294 \ubb3c\uccb4\uac00 \ud3c9\ud3c9\ud55c \ud45c\uba74\uc5d0 \uc815\uc9c0\ub418\uc5b4 \uc788\uc73c\ubbc0\ub85c \ubb3c\uccb4\uc5d0 \uc791\uc6a9\ud558\ub294 \uc720\uc77c\ud55c \ud798\uc740 \uc911\ub7c9\ub825\uacfc \uc218\uc9c1\ub825\uc785\ub2c8\ub2e4. <\/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=\"\uc815\uc0c1\uc801\uc778 \ud798\uacfc \uccb4\uc911\" 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> \ub530\ub77c\uc11c \ud3c9\ud3c9\ud55c \ud45c\uba74\uc5d0\uc11c \ubb3c\uccb4\uac00 \ud3c9\ud615\uc744 \uc774\ub8e8\ub824\uba74 \uc218\uc9c1\ub825(N)\uacfc \uc911\ub7c9\ub825(P)\uc774 \uac19\uc544\uc57c \ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \ubc95\uc120\uacfc \uac00\uc911\uce58\ub294 \ub3d9\uc77c\ud55c \ubc29\ud5a5, \ub3d9\uc77c\ud55c \ubaa8\ub4c8\uc744 \uac00\uc9c0\uc9c0\ub9cc \ubc29\ud5a5\uc740 \ubc18\ub300\uc785\ub2c8\ub2e4.<\/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> \ub530\ub77c\uc11c \uc218\uc9c1\ub825\uc758 \uac12\uc744 \uacb0\uc815\ud558\ub824\uba74 \uc9c8\ub7c9\uc5d0 \uc911\ub825 \uac00\uc18d\ub3c4\ub97c \uacf1\ud55c \uac83\uacfc \ub3d9\uc77c\ud55c \ubab8\uccb4\uc758 \ubb34\uac8c\ub97c \uacc4\uc0b0\ud558\ub294 \uac83\uc73c\ub85c \ucda9\ubd84\ud569\ub2c8\ub2e4. <\/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> \uacbd\uc0ac\uba74\uc758 \uc218\uc9c1\ub825<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \uc774 \uc139\uc158\uc5d0\uc11c\ub294 \ud45c\uba74\uc774 \ud3c9\ud3c9\ud55c\uc9c0 \uae30\uc6b8\uc5b4\uc84c\ub294\uc9c0\uc5d0 \ub530\ub77c \uadf8 \uac12\uc774 \ub2ec\ub77c\uc9c0\uae30 \ub54c\ubb38\uc5d0 \uacbd\uc0ac\uba74\uc758 \uc218\uc9c1\ub825\uc5d0 \ub300\ud55c \uacf5\uc2dd\uc744 \uc720\ub3c4\ud569\ub2c8\ub2e4.<\/p>\n<p> \ub530\ub77c\uc11c \uacbd\uc0ac\uba74\uc5d0 \uc815\uc9c0\ud55c \ubb3c\uccb4\uc5d0 \uc791\uc6a9\ud558\ub294 \ud798\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. <\/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=\"\uacbd\uc0ac\uba74\uc758 \uc218\uc9c1\ub825\" 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> \uc704 \uadf8\ub9bc\uc744 \ubcf4\uc138\uc694. \ud3c9\uba74\uc774 \uae30\uc6b8\uc5b4\uc9c8 \ub54c \ud3c9\uba74\uc5d0 \ud3c9\ud589\ud55c \ubc29\ud5a5(\ucd95 1)\uacfc \ud3c9\uba74\uc5d0 \uc218\uc9c1\uc778 \ubc29\ud5a5(\ucd95 2)\uc744 \ucd95\uc73c\ub85c \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \ub354 \ud3b8\ub9ac\ud569\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \uade0\ud615 \ubc29\uc815\uc2dd\uc744 \uae30\uc220\ud558\ub294 \uac83\uc774 \ub354 \uc27d\uc2b5\ub2c8\ub2e4.<\/p>\n<p> <strong>\uacbd\uc0ac\uba74\uc758 \uc218\uc9c1\ub825\uc744<\/strong> \uacc4\uc0b0\ud558\ub824\uba74 \uacbd\uc0ac\uba74\uc5d0 \uc218\uc9c1\uc778 \ucd95\uc5d0 \ud3c9\ud615 \uc870\uac74\uc744 \uc801\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4. \ubb3c\uccb4\uac00 \uc774 \ucd95\uc5d0\uc11c\ub294 \ud3c9\ud615 \uc0c1\ud0dc\uc5d0 \uc788\uc9c0\ub9cc \ud3c9\uba74\uc5d0 \ud3c9\ud589\ud55c \ucd95\uc5d0\uc11c\ub294 \ud3c9\ud615\uc744 \uc774\ub8e8\uc9c0 \uc54a\ub294\ub2e4\ub294 \uac83\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. .<\/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> \ub530\ub77c\uc11c \uacbd\uc0ac\uba74\uc758 \uc218\uc9c1\ub825\uc740 \ud3c9\uba74\uc5d0 \uc218\uc9c1\uc778 \ucd95\uc758 \ubb34\uac8c \uc131\ubd84\uacfc \ub3d9\uc77c\ud569\ub2c8\ub2e4.<\/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> \ud3c9\uba74\uc5d0 \uc218\uc9c1\uc778 \ucd95\uc758 \ubb34\uac8c \uad6c\uc131 \uc694\uc18c\ub294 \ubb34\uac8c\uc5d0 \ube44\ud589\uae30 \uacbd\uc0ac\uac01\uc758 \ucf54\uc0ac\uc778\uc744 \uacf1\ud55c \uacf5\uc2dd\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/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> \uac04\ub2e8\ud788 \ub9d0\ud574\uc11c, <strong>\uacbd\uc0ac\uc9c4 \ud3c9\uba74\uc758 \uc218\uc9c1\ub825\uc5d0 \ub300\ud55c \uacf5\uc2dd\uc740<\/strong> \uc218\uc9c1\ub825\uc774 \ubb3c\uccb4\uc758 \uc9c8\ub7c9 \uacf1\ud558\uae30 \uc911\ub825 \uacf1\ud558\uae30 \ud3c9\uba74 \uacbd\uc0ac\uac01\uc758 \ucf54\uc0ac\uc778\uacfc \uac19\ub2e4\uace0 \ub9d0\ud569\ub2c8\ub2e4. <\/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=\"\uacbd\uc0ac\uba74\uc758 \uc218\uc9c1\ub825 \uacf5\uc2dd\" 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> \uc218\uc9c1\ub825\uacfc \ub9c8\ucc30\ub825<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \uc774 \uc139\uc158\uc5d0\uc11c\ub294 \uc218\uc9c1\ub825\uacfc \ub9c8\ucc30\ub825 \uc0ac\uc774\uc758 \uad00\uacc4\ub97c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc218\uc9c1\ub825\uacfc \ub9c8\ucc30\ub825\uc740 \uc218\ud559\uc801\uc73c\ub85c \uc5f0\uacb0\ub41c \ub450 \uac00\uc9c0 \uc720\ud615\uc758 \ud798\uc774\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uba3c\uc800 \ub9c8\ucc30\ub825\uc774 \ubb34\uc5c7\uc778\uc9c0 \uc54c\uc544\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p> \ub9c8\ucc30\ub825(\ub610\ub294 \ub9c8\ucc30\ub825)\uc740 \ub9e4\ub044\ub7fd\uc9c0 \uc54a\uc740 \ud45c\uba74\uc5d0\uc11c \ubb3c\uccb4\ub97c \uc6c0\uc9c1\uc774\ub824\uace0 \ud560 \ub54c \ubc1c\uc0dd\ud558\ub294 \ud798\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \ub9c8\ucc30\ub825\uc740 \ubb3c\uccb4\uc758 \uc6c0\uc9c1\uc784\uc744 \ubc29\ud574\ud558\ub294 \ud798\uc785\ub2c8\ub2e4.<\/p>\n<p> \ub9c8\ucc30\ub825\uc740 \uc218\uc9c1\ub825\uc73c\ub85c\ubd80\ud130 \uacc4\uc0b0\ub429\ub2c8\ub2e4. \ubcf4\ub2e4 \uc815\ud655\ud558\uac8c <strong>\ub294 \ub9c8\ucc30\ub825\uc740 \ud45c\uba74 \ub9c8\ucc30 \uacc4\uc218\uc5d0 \uc218\uc9c1\ub825\uc744 \uacf1\ud55c \uac83\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/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\"> \uae08: <\/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> \ub9c8\ucc30\ub825\uc774\ub2e4. <\/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> \ub9c8\ucc30\uacc4\uc218\uc785\ub2c8\ub2e4.<\/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> \uc815\uc0c1\uc801\uc778 \uc800\ud56d\uc774\ub2e4. <\/span><\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ejercicios-resueltos-de-la-fuerza-normal\"><\/span> \uc815\uc0c1\uc801\uc778 \uadfc\ub825 \uc6b4\ub3d9 \ud574\uacb0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 class=\"wp-block-heading\"> \uc5f0\uc2b5 1<\/h3>\n<p> \ubb34\uac8c 5kg\uc758 \ubab8\uc774 \ud3c9\ud3c9\ud55c \ub545\uc5d0 \ub193\uc5ec \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub807\ub2e4\uba74 \uc9c8\ub7c9\uc774 3kg\uc778 \ub610 \ub2e4\ub978 \ubb3c\uccb4\uac00 \uccab \ubc88\uc9f8 \ubb3c\uccb4 \uc704\uc5d0 \ucd94\uac00\ub418\uba74 \ub450 \ubb3c\uccb4\ub97c \uc9c0\ud0f1\ud558\uae30 \uc704\ud574 \ub545\uc774 \uac00\ud558\ub294 \uc218\uc9c1\ub825\uc740 \uc5bc\ub9c8\uc785\ub2c8\uae4c? \ub370\uc774\ud130: g=9.81m\/ <sup>s2<\/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>\uc194\ub8e8\uc158 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \uc9c0\uba74\uc740 \ub450 \ubab8\uccb4\ub97c \ubaa8\ub450 \uc9c0\ud0f1\ud574\uc57c \ud558\ubbc0\ub85c \uc218\uc9c1\ub825\uc740 \uac01 \ubab8\uccb4\uc758 \ubb34\uac8c \ud798\uc758 \ud569\uc774 \ub429\ub2c8\ub2e4. \ub530\ub77c\uc11c \uba3c\uc800 \uac01 \ubab8\uccb4\uc758 \ubb34\uac8c\ub97c \uacc4\uc0b0\ud55c \ub2e4\uc74c \uc774\ub97c \ud569\uc0b0\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<p class=\"has-text-align-left\"> \ubb34\uac8c\uc758 \ud798\uc740 \uc2e0\uccb4\uc758 \uc9c8\ub7c9\uc5d0 \uc911\ub825\uc744 \uacf1\ud558\uc5ec \uacc4\uc0b0\ub41c\ub2e4\ub294 \uac83\uc744 \uae30\uc5b5\ud558\uc2ed\uc2dc\uc624.<\/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\"> \ub530\ub77c\uc11c \uc6b0\ub9ac\ub294 5kg\uc758 \uccb4\uc911\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/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\"> \ub458\uc9f8, \uc9c8\ub7c9\uc774 3kg\uc778 \ub450 \ubc88\uc9f8 \ubab8\uccb4\uc758 \ubb34\uac8c\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.<\/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\"> \ub530\ub77c\uc11c \uc218\uc9c1 \uade0\ud615 \uc870\uac74\uc744 \uc801\uc6a9\ud558\uba74 \uc218\uc9c1\ub825\uc774 \ub450 \uac00\uc911\uce58\uc758 \ud569\uacfc \ub3d9\uc77c\ud558\ub2e4\ub294 \uac83\uc744 \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/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\"> \uacb0\ub860\uc801\uc73c\ub85c, \uc9c0\uba74\uc774 \uac00\ud558\ub294 \uc218\uc9c1\ub825\uc758 \uac12\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. <\/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\">\uc5f0\uc2b5 2<\/h3>\n<p> \ub2e4\uc74c \uadf8\ub9bc\uc5d0\uc11c \ubcfc \uc218 \uc788\ub4ef\uc774 \ub450 \ubab8\uccb4\ub294 \ub85c\ud504\uc640 \ubb34\uc2dc\ud560 \ub9cc\ud55c \uc9c8\ub7c9\uc758 \ub3c4\ub974\ub798\ub85c \uc5f0\uacb0\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ubab8\uccb4 2\uc758 \uc9c8\ub7c9\uc774 m <sub>2<\/sub> =7 kg\uc774\uace0 \uacbd\uc0ac\ub85c\uc758 \uacbd\uc0ac\uac00 50\u00b0\ub77c\uba74, \uc804\uccb4 \uc2dc\uc2a4\ud15c\uc774 \ud3c9\ud615\uc744 \uc774\ub8e8\ub3c4\ub85d \uc9c8\ub7c9 m <sub>1<\/sub> \uc758 \ubab8\uccb4\uc5d0 \uacbd\uc0ac\uba74\uc774 \uac00\ud558\ub294 \uc218\uc9c1\ub825\uc744 \uacc4\uc0b0\ud558\uc2ed\uc2dc\uc624. \uc6b4\ub3d9 \uc804\ubc18\uc5d0 \uac78\uccd0 \ub9c8\ucc30\ub825\uc744 \ubb34\uc2dc\ud558\uc2ed\uc2dc\uc624. <\/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=\"\ubc88\uc5ed \ud3c9\ud615 \ubb38\uc81c\" 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>\uc194\ub8e8\uc158 \ubcf4\uae30<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> \ubab8\uccb4 1\uc740 \uacbd\uc0ac\uc9c4 \uacbd\uc0ac\uba74\uc5d0 \uc788\uc73c\ubbc0\ub85c \uac00\uc7a5 \uba3c\uc800 \ud574\uc57c \ud560 \uc77c\uc740 \uacbd\uc0ac\uba74\uc758 \ucd95\uc5d0 \ud798\uc774 \uac00\ud574\uc9c0\ub3c4\ub85d \ubb34\uac8c\uc758 \ud798\uc744 \ubca1\ud130\ud654\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. <\/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\"> \ub530\ub77c\uc11c \uc804\uccb4 \uc2dc\uc2a4\ud15c\uc5d0 \uc791\uc6a9\ud558\ub294 \ud798\uc758 \uc9d1\ud569\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. <\/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=\"\ubc88\uc5ed \uade0\ud615 \uc6b4\ub3d9 \ud574\uacb0\" 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\"> \ubb38\uc81c \uc124\uba85\uc740 \ud798\uc758 \uc2dc\uc2a4\ud15c\uc774 \ud3c9\ud615 \uc0c1\ud0dc\uc5d0 \uc788\uc73c\ubbc0\ub85c \ub450 \ubb3c\uccb4\uac00 \ud3c9\ud615 \uc0c1\ud0dc\uc5d0 \uc788\uc5b4\uc57c \ud568\uc744 \uc54c\ub824\uc90d\ub2c8\ub2e4. \uc774 \uc815\ubcf4\ub85c\ubd80\ud130 \uc6b0\ub9ac\ub294 \ub450 \ubb3c\uccb4\uc758 \ud3c9\ud615 \ubc29\uc815\uc2dd\uc744 \uc81c\uc548\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/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\"> \uc774\uc804 \ubc29\uc815\uc2dd\uc744 \ud1b5\ud574 \ubab8\uccb4 1\uc758 \uc9c8\ub7c9\uc744 \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/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\"> \ubc18\uba74\uc5d0 \uc2dc\uc2a4\ud15c\uc758 \ud798 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc744 \ubcf4\uba74 \uc218\uc9c1\ub825\uc740 \uacbd\uc0ac\uba74\uc5d0 \uc218\uc9c1\uc778 \ubab8\uccb4 1\uc758 \ubb34\uac8c\uc758 \ubca1\ud130 \uad6c\uc131\uc694\uc18c\uc640 \uac19\uc544\uc57c \ud55c\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/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\"> \ub530\ub77c\uc11c \uc774 \ubc29\uc815\uc2dd\uc5d0\uc11c \uc218\uc9c1\ud56d\ub825\uc758 \uac12\uc744 \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/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=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;454&#8243; width=&#8221;7014&#8243; style=&#8221;vertical-align: 0px;&#8221;><\/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\"> \uc774\uc81c \ub450 \ubc88\uc9f8 \ubc29\uc815\uc2dd\uc5d0\uc11c \uc218\uc9c1\ub825\uc758 \uac12\uc744 \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/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\"> \ubc18\uba74\uc5d0 \uccab \ubc88\uc9f8 \ubc29\uc815\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub9c8\ucc30\ub825\uc758 \uac12\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4.<\/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\"> \ub9c8\ucc2c\uac00\uc9c0\ub85c \ub9c8\ucc30\ub825\uc740 \ub2e4\uc74c \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc218\uc9c1\ub825 \ubc0f \ub9c8\ucc30 \uacc4\uc218\uc640 \uad00\ub828\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/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\"> \ub530\ub77c\uc11c \ubc29\uc815\uc2dd\uc5d0\uc11c \ub9c8\ucc30 \uacc4\uc218\ub97c \uc0ad\uc81c\ud558\uace0 \uadf8 \uac12\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. <\/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>\uc774 \uae00\uc5d0\uc11c\ub294 \uc218\uc9c1\ud56d\ub825\uc774 \ubb34\uc5c7\uc778\uc9c0, \uadf8\ub9ac\uace0 \ubb38\uc81c \uc720\ud615\uc5d0 \ub530\ub77c \uc774\ub97c \uacb0\uc815\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \ub2f9\uc2e0\uc740 \uc218\uc9c1 \ud798\uc758 \ud2b9\uc9d5\uc744 \ubc1c\uacac\ud558\uac8c \ub420 \uac83\uc774\uba70, \ub610\ud55c \ub2e8\uacc4\ubcc4\ub85c \ud574\uacb0\ub418\ub294 \uc5f0\uc2b5\uc744 \ud1b5\ud574 \uc774\ub7ec\ud55c \uc720\ud615\uc758 \ud798\uc744 \uc5f0\uc2b5\ud560 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4. \uc218\uc9c1\ub825\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c? \ubb3c\ub9ac\ud559\uc5d0\uc11c \uc218\uc9c1\ub825\uc740 \ubb3c\uccb4\uc758 \ud45c\uba74\uc774 \uadf8 \uc704\uc5d0 \ub193\uc5ec \uc788\ub294 \ud45c\uba74\uc5d0 \uc758\ud574 \uac00\ud574\uc9c0\ub294 \ud798\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc218\uc9c1\ub825\uc758 \ubc29\ud5a5\uc740 \ud45c\uba74\uc5d0 \uc218\uc9c1\uc774\uace0 \uc218\uc9c1\ub825\uc758 \ubc29\ud5a5\uc740 \ubc14\uae65\ucabd\uc785\ub2c8\ub2e4. \uc989 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/physigeek.com\/ko\/%e1%84%89%e1%85%ae%e1%84%8c%e1%85%b5%e1%86%a8%e1%84%85%e1%85%a7%e1%86%a8-2\/\"> <span class=\"screen-reader-text\">\ubcf4\ud1b5 \uac15\ub3c4<\/span> \ub354 \ubcf4\uae30 &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-247","post","type-post","status-publish","format-standard","hentry","category-5"],"yoast_head":"<!-- This site is optimized 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