{"id":253,"date":"2023-06-23T06:39:35","date_gmt":"2023-06-23T06:39:35","guid":{"rendered":"https:\/\/physigeek.com\/ko\/%e1%84%80%e1%85%a7%e1%86%bc%e1%84%89%e1%85%a1%e1%84%86%e1%85%a7%e1%86%ab\/"},"modified":"2023-06-23T06:39:35","modified_gmt":"2023-06-23T06:39:35","slug":"%e1%84%80%e1%85%a7%e1%86%bc%e1%84%89%e1%85%a1%e1%84%86%e1%85%a7%e1%86%ab","status":"publish","type":"post","link":"https:\/\/physigeek.com\/ko\/%e1%84%80%e1%85%a7%e1%86%bc%e1%84%89%e1%85%a1%e1%84%86%e1%85%a7%e1%86%ab\/","title":{"rendered":"\uacbd\uc0ac\uba74"},"content":{"rendered":"<p>\uc774 \uae30\uc0ac\uc5d0\uc11c\ub294 \ubb3c\ub9ac\ud559\uc5d0\uc11c \uacbd\uc0ac\uba74\uc774 \ubb34\uc5c7\uc778\uc9c0, \uadf8\ub9ac\uace0 \uc774\ub7ec\ud55c \uc720\ud615\uc758 \ubb38\uc81c\uac00 \uc5b4\ub5bb\uac8c \ud574\uacb0\ub418\ub294\uc9c0 \uc124\uba85\ud569\ub2c8\ub2e4. \uacbd\uc0ac\uba74\uc5d0 \uc791\uc6a9\ud558\ub294 \ud798\uc5d0 \ub300\ud55c \uacf5\uc2dd\uc744 \ucc3e\uc744 \uc218 \uc788\uc73c\uba70, \ub610\ud55c \uacbd\uc0ac\uba74\uc5d0\uc11c \ub2e8\uacc4\ubcc4\ub85c \ud574\uacb0\ub418\ub294 \uc5f0\uc2b5\uc744 \ud1b5\ud574 \ud6c8\ub828\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%C2%BFQue-es-un-plano-inclinado\"><\/span> \uacbd\uc0ac\uba74\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> <strong>\uacbd\uc0ac\uba74\uc740<\/strong> \ud2b9\uc815 \uac01\ub3c4\ub9cc\ud07c \uae30\uc6b8\uc5b4\uc9c4 \ud45c\uba74\uc785\ub2c8\ub2e4. \ubb3c\ub9ac\ud559\uc5d0\uc11c \uacbd\uc0ac\uba74\uc740 \uac15\ub3c4 \ubb38\uc81c\ub97c \uc5f0\uc2b5\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<p> \uc608\ub97c \ub4e4\uc5b4 \uacbd\uc0ac\ub85c\ub098 \uacbd\uc0ac\ub85c\ub294 \uacbd\uc0ac\uba74\uc785\ub2c8\ub2e4.<\/p>\n<p> \uacbd\uc0ac\uba74\uc744 \uc0ac\uc6a9\ud558\uba74 \ub354 \uc801\uc740 \ud798\uc744 \uc0ac\uc6a9\ud558\uc5ec \ubb3c\uccb4\ub97c \uc6b4\ubc18\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uacbd\uc0ac\uba74\uc5d0\uc11c \ubb3c\uccb4\ub97c \ubbf8\ub294 \uac83\uc740 \uc218\uc9c1\uc73c\ub85c \ub4e4\uc5b4\uc62c\ub9ac\ub294 \uac83\ubcf4\ub2e4 \ud798\uc774 \ub35c \ud544\uc694\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n<p> \ub610\ud55c \uacbd\uc0ac\uba74\uc740 6\ub300 \uace0\uc804 \uc2ec\ud50c\uba38\uc2e0 \uc911 \ud558\ub098\ub85c \uac04\uc8fc\ub429\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Formulas-del-plano-inclinado\"><\/span> \uacbd\uc0ac\uba74 \uacf5\uc2dd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \uc774\uc81c \uacbd\uc0ac\uba74\uc758 \uc815\uc758\ub97c \uc54c\uc558\uc73c\ub2c8 \uacbd\uc0ac\uba74\uc5d0 \uc791\uc6a9\ud558\ub294 \uacf5\uc2dd\uacfc \uc774\ub97c \uc5f0\uacb0\ud558\ub294 \ubc29\uc815\uc2dd\uc774 \ubb34\uc5c7\uc778\uc9c0 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<p> \uacbd\uc0ac\uba74 \uc6b4\ub3d9\uc5d0\uc11c \uc9c1\uba74\ud558\ub294 \uccab \ubc88\uc9f8 \ubb38\uc81c\ub294 \ub300\ubd80\ubd84\uc758 \ud798\uc774 \uacbd\uc0ac\uba74\uc5d0 \ud3c9\ud589\ud558\uac70\ub098 \uc218\uc9c1\uc778 \ubc29\ud5a5\uc73c\ub85c \uc791\uc6a9\ud55c\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc77c\ubc18\uc801\uc778 \uc88c\ud45c\ucd95(\uc138\ub85c \ucd95 \ud558\ub098\uc640 \uac00\ub85c \ucd95 \ud558\ub098)\uc740 \uc774\ub7ec\ud55c \uc720\ud615\uc758 \ubb38\uc81c\uc5d0\ub294 \ubcc4\ub85c \uc720\uc6a9\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc774\uac83\uc774 \uc77c\ubc18\uc801\uc73c\ub85c \uacbd\uc0ac\uba74\uc5d0\uc11c \ub2e4\ub978 \uc88c\ud45c\uacc4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc791\uc5c5\ud558\ub294 \uc774\uc720\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\/plan-incline.png\" alt=\"\uacbd\uc0ac\uba74\" class=\"wp-image-4369\" width=\"391\" height=\"368\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/plan-incline-300x283.png 300w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/plan-incline-768x724.png 768w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/plan-incline.png 1010w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"><\/figure>\n<p> <strong>\ubb3c\ub9ac\ud559\uc5d0\uc11c\ub294 \uacbd\uc0ac\uba74 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574 \ub450 \uac1c\uc758 \uc11c\ub85c \ub2e4\ub978 \ucd95\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/strong> \uccab \ubc88\uc9f8 \ucd95\uc740 \uacbd\uc0ac\uba74\uc5d0 \ud3c9\ud589\ud55c \ubc29\ud5a5\uc774\uace0 \ub2e4\ub978 \ud55c\ud3b8\uc73c\ub85c\ub294 \ubc29\ud5a5\uc774 \uacbd\uc0ac\uba74\uc5d0 \uc218\uc9c1\uc778 \ub450 \ubc88\uc9f8 \ucd95\uc785\ub2c8\ub2e4.<\/p>\n<p> \ub610\ud55c \uc774\ubbf8\uc9c0\uc5d0\uc11c \ubcfc \uc218 \uc788\ub4ef\uc774 <strong>\uc77c\ubc18\uc801\uc73c\ub85c \uacbd\uc0ac\uba74\uc5d0\ub294 \uc138 \uac00\uc9c0 \ub2e4\ub978 \ud798(\ub9c8\ucc30\uc774 \uc788\ub294 \uacbd\uc6b0)\uc774 \uc791\uc6a9\ud569\ub2c8\ub2e4<\/strong> . \uc989 \uc911\ub7c9\ub825, \uc218\uc9c1\ub825, \ub9c8\ucc30\ub825(\ub610\ub294 \ub9c8\ucc30\ub825)\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ub17c\ub9ac\uc801\uc73c\ub85c \uacbd\uc0ac\uba74\uc5d0 \ub9c8\ucc30\uc774 \uc5c6\uc73c\uba74 \ub9c8\ucc30\ub825\uc740 \ubb34\uc2dc\ub429\ub2c8\ub2e4.<\/p>\n<p> \uadf8\ub7ec\ub098 \ubb34\uac8c\ucd94\uc758 \ud798\uc740 \uacbd\uc0ac\uba74\uc5d0 \ud3c9\ud589\ud55c \uc131\ubd84\uacfc \uacbd\uc0ac\uba74\uc5d0 \uc218\uc9c1\uc778 \uc131\ubd84\uc774\ub77c\ub294 \ub450 \uac00\uc9c0 \uc131\ubd84\uc73c\ub85c \ubca1\ud130\uc801\uc73c\ub85c \ubd84\ud574\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubc29\uc2dd\uc73c\ub85c \ubaa8\ub4e0 \ud798\uc740 \uacbd\uc0ac\uba74\uc758 \uc791\uc5c5 \ucd95\uc5d0\uc11c \ud45c\ud604\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uacbd\uc0ac\uba74\uc5d0 \ub193\uc778 \uc2e0\uccb4 \ubb34\uac8c\uc758 \ub450 \uad6c\uc131 \uc694\uc18c\ub294 \uacbd\uc0ac\uac01\uc758 \uc0ac\uc778\uacfc \ucf54\uc0ac\uc778\uc73c\ub85c \uacc4\uc0b0\ub429\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-a26edbf89d563f1351d0ec9771f7e7bc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P_1=m\\cdot g\\cdot \\text{sen}(\\alpha)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"142\" 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-f5f191747feef04cf0a63f61a6b56cfd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P_2=m\\cdot g\\cdot \\text{cos}(\\alpha)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"141\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> \ub9c8\uc9c0\ub9c9\uc73c\ub85c \uacbd\uc0ac\uba74\uc5d0 \uc791\uc6a9\ud558\ub294 \ud798\uc740 \ub2e4\uc74c \ub450 \uacf5\uc2dd\uc73c\ub85c \uc5f0\uad00\ub420 \uc218 \uc788\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\/formules-du-plan-incline.png\" alt=\"\uacbd\uc0ac\uba74 \uacf5\uc2dd\" class=\"wp-image-4388\" width=\"491\" height=\"151\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/formules-du-plan-incline-300x93.png 300w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/formules-du-plan-incline-768x237.png 768w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/formules-du-plan-incline.png 1022w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"><\/figure>\n<p> \ubb38\uc81c \uc124\uba85\uc5d0\uc11c \ub2ec\ub9ac \uc5b8\uae09\ud558\uc9c0 \uc54a\uc73c\uba74 \uacbd\uc0ac\uc9c4 \ud3c9\uba74\uc758 \ubab8\uccb4\uac00 \uacbd\uc0ac\uba74 \uc544\ub798\ub85c \ubbf8\ub044\ub7ec\uc9c8 \uc218 \uc788\uc73c\ubbc0\ub85c \ud3c9\uba74\uc5d0 \ud3c9\ud589\ud55c \ucd95\uc5d0 \ub300\ud55c \ubc29\uc815\uc2dd\uc5d0 \uac00\ub2a5\ud55c \uac00\uc18d\ub3c4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. \ubc18\uba74\uc5d0 \ubb3c\uccb4\ub294 \uacbd\uc0ac\uba74\uc5d0 \uc218\uc9c1\uc778 \ucd95 \ubc29\ud5a5\uc73c\ub85c \uc6c0\uc9c1\uc77c \uc218 \uc5c6\uc73c\ubbc0\ub85c \ud798\uc758 \ud569\uc740 0\uc774 \ub429\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ejemplo-resuelto-del-plano-inclinado\"><\/span> \uacbd\uc0ac\uba74\uc758 \ud574\uacb0 \uc608<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \ubb3c\ub9ac\ud559\uc5d0\uc11c \uacbd\uc0ac\uba74 \ubb38\uc81c\uac00 \uc5b4\ub5bb\uac8c \ud574\uacb0\ub418\ub294\uc9c0 \ud655\uc778\ud558\uae30 \uc704\ud574 \uc544\ub798\uc5d0\uc11c \ub2e8\uacc4\ubcc4\ub85c \ud574\uacb0\ub41c \uc608\ub97c \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li> \uc6b0\ub9ac\ub294 45\u00b0 \uae30\uc6b8\uc5b4\uc9c4 \ud3c9\uba74\uc758 \uaf2d\ub300\uae30\uc5d0 \uc9c8\ub7c9\uc774 m=6kg\uc778 \ubb3c\uccb4\ub97c \ub193\uc2b5\ub2c8\ub2e4. \ubb3c\uccb4\uac00 4 m\/s <sup>2<\/sup> \uc758 \uac00\uc18d\ub3c4\ub85c \uacbd\uc0ac\uba74\uc5d0\uc11c \ubbf8\ub044\ub7ec\uc9c0\uba74 \uacbd\uc0ac\uba74 \ud45c\uba74\uacfc \ubb3c\uccb4 \ud45c\uba74 \uc0ac\uc774\uc758 \ub3d9\uc801 \ub9c8\ucc30 \uacc4\uc218\ub294 \uc5bc\ub9c8\uc785\ub2c8\uae4c? \ub370\uc774\ud130: g=10m\/s <sup>2<\/sup> . <\/li>\n<\/ul>\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-resolu-coefficient-de-frottement-dynamique.png\" alt=\"\ub9c8\ucc30\uacc4\uc218 \ub610\ub294 \ub3d9\uc801\ub9c8\ucc30 \ubb38\uc81c\" class=\"wp-image-4281\" width=\"203\" height=\"205\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/probleme-resolu-coefficient-de-frottement-dynamique-298x300.png 298w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/probleme-resolu-coefficient-de-frottement-dynamique-150x150.png 150w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/probleme-resolu-coefficient-de-frottement-dynamique.png 479w\" sizes=\"auto, (max-width: 298px) 100vw, 298px\"><\/figure>\n<p class=\"has-text-align-left\"> \uc5ed\ud559\uc5d0 \uad00\ud55c \ubb3c\ub9ac\ud559 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574 \uac00\uc7a5 \uba3c\uc800 \ud574\uc57c \ud560 \uc77c\uc740 \uc790\uc720\ubb3c\uccb4\ub3c4\ub97c \uadf8\ub9ac\ub294 \uac83\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc2dc\uc2a4\ud15c\uc5d0 \uc791\uc6a9\ud558\ub294 \ubaa8\ub4e0 \ud798\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-force-de-friction-dynamique.png\" alt=\"\ub9c8\ucc30\uacc4\uc218 \ub610\ub294 \ub3d9\uc801\ub9c8\ucc30\uc758 \ud574\uacb0\ub41c \uc6b4\ub3d9\" class=\"wp-image-4282\" width=\"248\" height=\"301\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/exercice-resolu-force-de-friction-dynamique-247x300.png 247w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/exercice-resolu-force-de-friction-dynamique.png 572w\" sizes=\"auto, (max-width: 247px) 100vw, 247px\"><\/figure>\n<p class=\"has-text-align-left\"> \ucd95 1(\uacbd\uc0ac\uba74\uc5d0 \ud3c9\ud589) \ubc29\ud5a5\uc5d0\uc11c\ub294 \ubb3c\uccb4\uac00 \uac00\uc18d\ub3c4\ub97c \uac00\uc9c0\uc9c0\ub9cc \ucd95 2(\uacbd\uc0ac\uba74\uc5d0 \uc218\uc9c1) \ubc29\ud5a5\uc5d0\uc11c\ub294 \ubb3c\uccb4\uac00 \uc815\uc9c0 \uc0c1\ud0dc\uc785\ub2c8\ub2e4. \uc774 \uc815\ubcf4\ub85c\ubd80\ud130 \uc6b0\ub9ac\ub294 \uc2dc\uc2a4\ud15c \ud798\uc758 \ubc29\uc815\uc2dd\uc744 \ud655\ub9bd\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-d87a1ef6aaa3476891df5da8334cbc49_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P_1-F_R=m\\cdot a\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"124\" style=\"vertical-align: -3px;\"><\/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-6bdf90ed250934bf6cffbb110bc792a4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P_2-N=0\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"90\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c \ub450 \ubc88\uc9f8 \ubc29\uc815\uc2dd\uc744 \ud1b5\ud574 \uc218\uc9c1\ud56d\ub825\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-59341555fe3d5fe315ceb1864547873b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{l}N=P_2\\\\[3ex]N=m\\cdot g\\cdot \\text{cos}(\\alpha) \\\\[3ex] N=6 \\cdot 10 \\cdot \\ text{cos}(45\u00ba)\\\\[3ex]N=42,43 \\ N\\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"151\" width=\"185\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ud55c\ud3b8, \uc81c\uc2dc\ub41c \uccab \ubc88\uc9f8 \ubc29\uc815\uc2dd\uc73c\ub85c\ubd80\ud130 \ub9c8\ucc30\ub825(\ub610\ub294 \ub9c8\ucc30\ub825)\uc758 \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-d8f2aff2a81d98ddcea04b1988282fda_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{l}P_1-F_R=m\\cdot a\\\\[3ex]F_R=P_1-m\\cdot a\\\\[3ex]F_R=m\\cdot g\\cdot \\text{sin} (\\alpha)-m\\cdot a\\\\[3ex]F_R=6\\cdot 10\\cdot \\text{sin}(45\u00ba)-6\\cdot 4\\\\[3ex]F_R=18.43 \\ N\\end{ array} \" title=\"Rendered by QuickLaTeX.com\" height=\"195\" width=\"204\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc218\uc9c1\ub825\uacfc \ub9c8\ucc30\ub825\uc758 \uac12\uc744 \uc54c\uba74 \ud574\ub2f9 \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub3d9\uc801 \ub9c8\ucc30 \uacc4\uc218\ub97c \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-b783c9e37bcf4d077d9496489fc5d7d6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\mu_d=\\cfrac{F_R}{N}=\\cfrac{18.43}{43.43}=0.42\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"187\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ejercicios-resueltos-del-plano-inclinado\"><\/span> \uacbd\uc0ac\uba74\uc5d0\uc11c \ud574\uacb0\ub418\ub294 \uc6b4\ub3d9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 class=\"wp-block-heading\"> \uc5f0\uc2b5 1<\/h3>\n<p> \uc6b0\ub9ac\ub294 \uc9c8\ub7c9\uc774 m=2kg\uc778 \ubb3c\uccb4\ub97c \uacbd\uc0ac\uac01\uc774 30\u00b0\uc778 \uacbd\uc0ac\uba74 \uc0c1\ub2e8\uc5d0 \ub193\uc2b5\ub2c8\ub2e4. \uacbd\uc0ac\ub85c\uc640 \ubab8\uccb4\uac00 \ud3c9\ud615 \uc0c1\ud0dc\ub97c \uc720\uc9c0\ud558\ub294 \uacbd\uc6b0 \uacbd\uc0ac\ub85c\uc640 \ubab8\uccb4 \uc0ac\uc774\uc758 \ub9c8\ucc30 \uacc4\uc218\ub294 \uc5bc\ub9c8\uc785\ub2c8\uae4c? \ub370\uc774\ud130: g=9.81m\/s <sup>2<\/sup> <\/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-de-force-normale-et-de-force-de-friction.png\" alt=\"\" class=\"wp-image-4253\" width=\"285\" height=\"176\" srcset=\"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\" 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\"> \ud798\uacfc \uad00\ub828\ub41c \ubaa8\ub4e0 \ubb3c\ub9ac\ud559 \ubb38\uc81c\uc5d0\uc11c \uac00\uc7a5 \uba3c\uc800 \ud574\uc57c \ud560 \uc77c\uc740 \uc2dc\uc2a4\ud15c\uc758 \uc790\uc720\ubb3c\uccb4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc744 \uadf8\ub9ac\ub294 \uac83\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc774 \uc2dc\uc2a4\ud15c\uc5d0 \uc791\uc6a9\ud558\ub294 \ubaa8\ub4e0 \ud798\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-force-normale-et-friction-force.png\" alt=\"\uc218\uc9c1\ub825\uacfc \ub9c8\ucc30\ub825\uc758 \uc6b4\ub3d9\uc744 \ud574\uacb0\" class=\"wp-image-4254\" width=\"285\" height=\"333\" srcset=\"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\" sizes=\"auto, (max-width: 256px) 100vw, 256px\"><\/figure>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c \uc2dc\uc2a4\ud15c\uc774 \ud3c9\ud615\uc744 \uc774\ub8e8\ub824\uba74 \ucd95 1\uacfc 2\uc5d0 \uc791\uc6a9\ud558\ub294 \ud798\uc758 \ud569\uc774 0\uacfc \uac19\uc544\uc57c \ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \ub2e4\uc74c \ubc29\uc815\uc2dd\uc740 \ucc38\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-a692b08b4d7c08a2c55556233dc56651_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"F_R=P_1\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"63\" style=\"vertical-align: -3px;\"><\/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 \ud480\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<h3 class=\"wp-block-heading\">\uc5f0\uc2b5 2<\/h3>\n<p> \uacbd\uc0ac\uba74\uacfc \ub3c4\ub974\ub798\ub85c \uad6c\uc131\ub41c \ub2e4\uc74c \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ubcfc \uc218 \uc788\ub4ef\uc774 \ub450 \ubab8\uccb4\ub294 \ubb34\uc2dc\ud560 \uc218 \uc788\ub294 \uc9c8\ub7c9\uc758 \ub3c4\ub974\ub798\uc640 \ub85c\ud504\ub85c \uc5f0\uacb0\ub429\ub2c8\ub2e4. \ubab8\uccb4 2\uc758 \uc9c8\ub7c9\uc774 m <sub>2<\/sub> = 7 kg\uc774\uace0 \uacbd\uc0ac\uba74\uc758 \uacbd\uc0ac\uac00 50\u00b0\uc778 \uacbd\uc6b0 \uc804\uccb4 \uc2dc\uc2a4\ud15c\uc774 \ud3c9\ud615\uc744 \uc774\ub8e8\ub3c4\ub85d \uacbd\uc0ac\uba74\uc774 \uc9c8\ub7c9 m <sub>1<\/sub> \uc758 \ubab8\uccb4\uc5d0 \uac00\ud558\ub294 \uc218\uc9c1\ub825\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. \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-4a591e86900fca256cfa079da1bd0461_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> Un tra\u00eeneau de 70 kg glisse sur une pente de 30\u00ba avec une vitesse initiale de 2 m\/s. Si le coefficient de frottement dynamique entre le tra\u00eeneau et la neige est de 0,2, calculez la vitesse que le tra\u00eeneau acquerra apr\u00e8s avoir parcouru 20 m\u00e8tres. Donn\u00e9es : g=10 m\/s <sup>2<\/sup> . <\/p>\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> Tout d&#8217;abord, nous r\u00e9alisons le sch\u00e9ma corporel libre du tra\u00eeneau : <\/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-plan-incline.png&quot; alt=&quot;exercice r\u00e9solu de la force de frottement ou de frottement sur un plan inclin\u00e9&quot; class=&quot;wp-image-4345&quot; width=&quot;305&quot; height=&quot;355&quot; srcset=&quot;https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/exercice-resolu-plan-incline-258x300.png 258w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/exercice-resolu-plan-incline.png 706w&quot; sizes=&quot;(max-width: 258px) 100vw, 258px&quot;><\/figure>\n<p> Le tra\u00eeneau a une acc\u00e9l\u00e9ration dans la direction de l&#8217;axe 1 (parall\u00e8le au plan inclin\u00e9) mais reste au repos dans la direction de l&#8217;axe 2 (perpendiculaire au plan inclin\u00e9), donc les \u00e9quations des forces sont : [latex]P_1-F_R=m\\cdot a&#8221; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;213&#8243; width=&#8221;8731&#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-6bdf90ed250934bf6cffbb110bc792a4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P_2-N=0\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"90\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub450 \ubc88\uc9f8 \ubc29\uc815\uc2dd\uc744 \ud1b5\ud574 \uc370\ub9e4\uc5d0 \uc791\uc6a9\ud558\ub294 \uc218\uc9c1\ub825\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-90b32b903f8be520ec73748b3de9b8b3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{l}N=P_2\\\\[3ex]N=m\\cdot g\\cdot \\text{cos}(\\alpha) \\\\[3ex] N=70 \\cdot 10 \\cdot \\ text{cos}(30\u00ba)\\\\[3ex]N=606,22 \\ N\\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"151\" width=\"194\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc774\uc81c \uc218\uc9c1\ub825\uacfc \ub3d9\uc801 \ub9c8\ucc30 \uacc4\uc218\uc758 \uac12\uc744 \uc54c\uc558\uc73c\ubbc0\ub85c \ud574\ub2f9 \uacf5\uc2dd\uc744 \uc801\uc6a9\ud558\uc5ec \ub9c8\ucc30\ub825\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-e0a32cc7650b33325233258788c218d4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"F_R=\\mu\\cdot N=0,2 \\cdot 606,22=121,24 \\ N \" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"298\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c \ucd5c\uc885 \uc18d\ub3c4\ub97c \uacb0\uc815\ud558\ub824\uba74 \uba3c\uc800 \uc370\ub9e4\uc758 \uac00\uc18d\ub3c4\ub97c \ucc3e\uc544\uc57c \ud558\uba70 \uc774\ub294 \uc81c\uc2dc\ub41c \uccab \ubc88\uc9f8 \ud798 \ubc29\uc815\uc2dd\uc744 \ud1b5\ud574 \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-d87a1ef6aaa3476891df5da8334cbc49_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P_1-F_R=m\\cdot a\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"124\" style=\"vertical-align: -3px;\"><\/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-fa13e0490f51e32ac03b455043f6f32d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a=\\cfrac{P_1-F_R}{m}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"99\" 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-a6274d836af5618f7ef99e7f179c3902_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a=\\cfrac{m\\cdot g\\cdot \\text{sin}(\\alpha)-F_R}{m}\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"177\" 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-a3a9db70462cd187d50b851ede83983f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a=\\cfrac{70\\cdot 10\\cdot \\text{sin}(30\u00ba)-121.24}{70}\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"221\" 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-ba0d7325efa059351cc3d9aef838a9e2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a=3,27 \\ \\cfrac{m}{s^2}\" title=\"Rendered by QuickLaTeX.com\" height=\"34\" width=\"92\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc370\ub9e4\uc758 \uac00\uc18d\ub3c4\ub97c \uc54c\uace0 \ub098\uba74 \uc77c\uc815\ud55c \uac00\uc18d\ub3c4\uc5d0\uc11c \uc9c1\uc120 \uc6b4\ub3d9 \ubc29\uc815\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec 20m\ub97c \uc774\ub3d9\ud558\ub294 \ub370 \uac78\ub9ac\ub294 \uc2dc\uac04\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-69f632cd171007df0f5bd6f0fa458a5c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x=v_0\\cdot t +\\cfrac{1}{2}\\cdot a \\cdot t^2\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"150\" 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-b97ac72bf22d70273fece0cce195f4ca_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"20=2\\cdot t +\\cfrac{1}{2}\\cdot 3.27 \\cdot t^2\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"172\" 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-11a99cb686bf68cbcca594d0d60f801b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"0=1,64t^2+2t-20\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"158\" style=\"vertical-align: -4px;\"><\/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-7aa7e01e70b4199d597d05e261c970df_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle t=\\cfrac{-2\\pm \\sqrt{2^2-4\\cdot 1.64\\cdot (-20)}}{2\\cdot 1.64}=\\cfrac{-2\\ pm 11.63}{ 3.28}=\\begin{cases}2.94\\\\[2ex]-4.15 \\ \\color{red}\\bm{\\times}\\end{cases}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"507\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ub17c\ub9ac\uc801\uc73c\ub85c \uc2dc\uac04\uc740 \uc74c\uc218\uac00 \ub420 \uc218 \uc5c6\ub294 \ubb3c\ub9ac\ub7c9\uc774\ubbc0\ub85c \uc74c\uc218\ud574\ub97c \uc81c\uc678\ud569\ub2c8\ub2e4.<\/p>\n<p class=\"has-text-align-left\"> \ub9c8\uc9c0\ub9c9\uc73c\ub85c \ub4f1\uac00\uc18d\ub3c4 \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \ucd5c\uc885 \uc18d\ub3c4\ub97c \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-5ace98bfb166f5b813f593760fcfa048_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a=\\cfrac{v_f-v_0}{t_f-t_0}\\quad \\longrightarrow \\quad v_f=a\\cdot (t_f-t_0)+v_0\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"330\" style=\"vertical-align: -18px;\"><\/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-817a054f54a84b5a88667fc794feeb4d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"v_f=3.27\\cdot (2.94-0)+2=\\bm{11.61} \\ \\cfrac{\\bm{m}}{\\bm{s}}\" title=\"Rendered by QuickLaTeX.com\" height=\"34\" width=\"280\" 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>\uc774 \uae30\uc0ac\uc5d0\uc11c\ub294 \ubb3c\ub9ac\ud559\uc5d0\uc11c \uacbd\uc0ac\uba74\uc774 \ubb34\uc5c7\uc778\uc9c0, \uadf8\ub9ac\uace0 \uc774\ub7ec\ud55c \uc720\ud615\uc758 \ubb38\uc81c\uac00 \uc5b4\ub5bb\uac8c \ud574\uacb0\ub418\ub294\uc9c0 \uc124\uba85\ud569\ub2c8\ub2e4. \uacbd\uc0ac\uba74\uc5d0 \uc791\uc6a9\ud558\ub294 \ud798\uc5d0 \ub300\ud55c \uacf5\uc2dd\uc744 \ucc3e\uc744 \uc218 \uc788\uc73c\uba70, \ub610\ud55c \uacbd\uc0ac\uba74\uc5d0\uc11c \ub2e8\uacc4\ubcc4\ub85c \ud574\uacb0\ub418\ub294 \uc5f0\uc2b5\uc744 \ud1b5\ud574 \ud6c8\ub828\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uacbd\uc0ac\uba74\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c? \uacbd\uc0ac\uba74\uc740 \ud2b9\uc815 \uac01\ub3c4\ub9cc\ud07c \uae30\uc6b8\uc5b4\uc9c4 \ud45c\uba74\uc785\ub2c8\ub2e4. \ubb3c\ub9ac\ud559\uc5d0\uc11c \uacbd\uc0ac\uba74\uc740 \uac15\ub3c4 \ubb38\uc81c\ub97c \uc5f0\uc2b5\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \uacbd\uc0ac\ub85c\ub098 \uacbd\uc0ac\ub85c\ub294 \uacbd\uc0ac\uba74\uc785\ub2c8\ub2e4. \uacbd\uc0ac\uba74\uc744 \uc0ac\uc6a9\ud558\uba74 \ub354 \uc801\uc740 \ud798\uc744 \uc0ac\uc6a9\ud558\uc5ec \ubb3c\uccb4\ub97c &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/physigeek.com\/ko\/%e1%84%80%e1%85%a7%e1%86%bc%e1%84%89%e1%85%a1%e1%84%86%e1%85%a7%e1%86%ab\/\"> <span class=\"screen-reader-text\">\uacbd\uc0ac\uba74<\/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-253","post","type-post","status-publish","format-standard","hentry","category-5"],"yoast_head":"<!-- This site is optimized 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