{"id":21,"date":"2023-06-27T12:59:55","date_gmt":"2023-06-27T12:59:55","guid":{"rendered":"https:\/\/physigeek.com\/ko\/%e1%84%8e%e1%85%a5%e1%86%ba-%e1%84%87%e1%85%a5%e1%86%ab%e1%84%8d%e1%85%a2-%e1%84%91%e1%85%a7%e1%86%bc%e1%84%92%e1%85%a7%e1%86%bc-%e1%84%8c%e1%85%a9%e1%84%80%e1%85%a5%e1%86%ab\/"},"modified":"2023-06-27T12:59:55","modified_gmt":"2023-06-27T12:59:55","slug":"%e1%84%8e%e1%85%a5%e1%86%ba-%e1%84%87%e1%85%a5%e1%86%ab%e1%84%8d%e1%85%a2-%e1%84%91%e1%85%a7%e1%86%bc%e1%84%92%e1%85%a7%e1%86%bc-%e1%84%8c%e1%85%a9%e1%84%80%e1%85%a5%e1%86%ab","status":"publish","type":"post","link":"https:\/\/physigeek.com\/ko\/%e1%84%8e%e1%85%a5%e1%86%ba-%e1%84%87%e1%85%a5%e1%86%ab%e1%84%8d%e1%85%a2-%e1%84%91%e1%85%a7%e1%86%bc%e1%84%92%e1%85%a7%e1%86%bc-%e1%84%8c%e1%85%a9%e1%84%80%e1%85%a5%e1%86%ab\/","title":{"rendered":"\uade0\ud615\uc758 \uccab \ubc88\uc9f8 \uc870\uac74"},"content":{"rendered":"<p>\uc774 \uae30\uc0ac\uc5d0\uc11c\ub294 \uccab \ubc88\uc9f8 \ud3c9\ud615 \uc870\uac74\uc774 \ubb34\uc5c7\uc73c\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\ub294\uc9c0 \uc124\uba85\ud569\ub2c8\ub2e4. \ub610\ud55c \uccab \ubc88\uc9f8 \uade0\ud615 \uc870\uac74\uc758 \uc2e4\uc81c \uc608\ub97c \ucc3e\uc744 \uc218 \uc788\uc73c\uba70 \ub9c8\uc9c0\ub9c9\uc73c\ub85c \uc774 \uc8fc\uc81c\uc5d0 \ub300\ud55c \ud574\uacb0 \uc5f0\uc2b5\uc744 \ud1b5\ud574 \uc5f0\uc2b5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%C2%BFCual-es-la-primera-condicion-de-equilibrio\"><\/span> \uccab \ubc88\uc9f8 \uade0\ud615 \uc870\uac74\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \ubb3c\ub9ac\ud559\uc5d0\uc11c <strong>\uccab \ubc88\uc9f8 \ud3c9\ud615 \uc870\uac74\uc740<\/strong> \ubb3c\uccb4\uc5d0 \uac00\ud574\uc9c4 \ud798\uc758 \ud569\uc774 0\uc774\uba74 \ud574\ub2f9 \ubb3c\uccb4\uac00 \ubcd1\uc9c4 \ud3c9\ud615 \uc0c1\ud0dc\uc5d0 \uc788\ub2e4\ub294 \uac83\uc744 \ud655\ub9bd\ud569\ub2c8\ub2e4.<\/p>\n<p> \ub530\ub77c\uc11c \uc2dc\uc2a4\ud15c\uc758 \ud569\ub825\uc774 0\uc77c \ub54c \uccab \ubc88\uc9f8 \ud3c9\ud615 \uc870\uac74\uc774 \ucda9\uc871\ub429\ub2c8\ub2e4. \uc989, \ub2e4\uc74c \uc218\uc2dd\uc774 \ub9cc\uc871\ub420 \ub54c \uccab \ubc88\uc9f8 \ud3c9\ud615 \uc870\uac74\uc774 \ucda9\uc871\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-b6be8a8a29e6933d96cdf943ceb09119_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\sum \\vv{F}=0\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"75\" style=\"vertical-align: -8px;\"><\/p>\n<\/p>\n<p> \ub610\ud55c \uccab \ubc88\uc9f8 \ud3c9\ud615 \uc870\uac74\uc774 \ucda9\uc871\ub418\uba74 \uc2e0\uccb4\ub294 \uc815\uc9c0 \uc0c1\ud0dc\uc774\uac70\ub098 \uc77c\uc815\ud55c \uc18d\ub3c4\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4. \ud798\uc758 \ud569\uc774 0\uc774\uba74 \ubab8\uc740 \uac00\uc18d\ub3c4\ub97c \uac00\uc9c8 \uc218 \uc5c6\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n<p> \ub17c\ub9ac\uc801\uc73c\ub85c \uccab \ubc88\uc9f8 \ud3c9\ud615 \uc870\uac74\uc744 \ud655\uc778\ud558\ub824\uba74 \ubaa8\ub4c8\uc774 \uc544\ub2cc \ubca1\ud130 \ubc29\uc2dd\uc73c\ub85c \ud798\uc744 \ucd94\uac00\ud574\uc57c \ud569\ub2c8\ub2e4. \uc989, \uac01 \ucd95\uc5d0 \uc791\uc6a9\ud558\ub294 \ud798\uc758 \ud569\uc774 0\uc774\uba74 \uac15\uccb4\ub294 \uae30\uacc4\uc801 \ud3c9\ud615 \uc0c1\ud0dc\uc5d0 \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-9d6873586b63ccddf575a8ee1c7f5137_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\sum\\vv{F_x}=0\\qquad\\sum\\vv{F_y}=0\\qquad\\sum\\vv{F_z}=0\" title=\"Rendered by QuickLaTeX.com\" height=\"25\" width=\"319\" style=\"vertical-align: -8px;\"><\/p>\n<\/p>\n<p> \ub530\ub77c\uc11c \uccab \ubc88\uc9f8 \ud3c9\ud615 \uc870\uac74\uc774 \ucda9\uc871\ub418\ub294\uc9c0 \ud655\uc778\ud558\ub294 \ubc29\ubc95 \uc911 \ud558\ub098\ub294 \uac01 \ucd95\uc5d0 \uac00\ud574\uc9c0\ub294 \ud798\uc744 \ubaa8\ub450 \ud569\uc0b0\ud558\uc5ec \ubaa8\ub4e0 \ud569\uc774 0\uc774 \ub418\uba74 \ubb3c\uccb4\uac00 \ubcd1\uc9c4 \ud3c9\ud615 \uc0c1\ud0dc\uc5d0 \uc788\ub294 \uac83\uc785\ub2c8\ub2e4. <\/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\/premiere-condition-dequilibre.png\" alt=\"\uccab \ubc88\uc9f8 \uade0\ud615 \uc870\uac74\" class=\"wp-image-368\" width=\"307\" height=\"307\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/premiere-condition-dequilibre-300x300.png 300w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/premiere-condition-dequilibre-150x150.png 150w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/premiere-condition-dequilibre-768x766.png 768w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/premiere-condition-dequilibre.png 1006w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"><\/figure>\n<\/div>\n<p> \ubcd1\uc9c4 \ud3c9\ud615\uc5d0\ub294 \ub450 \uac00\uc9c0 \uc720\ud615\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li> <strong>\uc815\uc801 \ubcd1\uc9c4 \ud3c9\ud615<\/strong> : \uccab \ubc88\uc9f8 \ud3c9\ud615 \uc870\uac74\uc774 \ucda9\uc871\ub418\uace0 \uc2e0\uccb4\ub3c4 \uc815\uc9c0 \uc0c1\ud0dc\uc77c \ub54c.<\/li>\n<li> <strong>\ub3d9\uc801 \ubcd1\uc9c4 \ud3c9\ud615<\/strong> : \uccab \ubc88\uc9f8 \ud3c9\ud615 \uc870\uac74\uc774 \ucda9\uc871\ub418\uace0 \ubb3c\uccb4\uc758 \uc18d\ub3c4\uac00 \uc77c\uc815\ud560 \ub54c(0\uc774 \uc544\ub2d8) <\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ejemplos-de-la-primera-condicion-de-equilibrio\"><\/span> \uccab \ubc88\uc9f8 \ud3c9\ud615 \uc870\uac74\uc758 \uc608<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \uccab \ubc88\uc9f8 \ud3c9\ud615 \uc870\uac74\uc758 \uc815\uc758\ub97c \uc54c\uace0 \ub098\uba74 \uc544\ub798\uc758 \uc138 \uac00\uc9c0 \uc608\ub97c \ud1b5\ud574 \uadf8\uac83\uc774 \uc758\ubbf8\ud558\ub294 \ubc14\ub97c \uc644\uc804\ud788 \uc774\ud574\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p> \uc2e0\ud638\ub4f1\uc740 \uc77c\uc0c1\uc0dd\ud65c\uc5d0\uc11c \uade0\ud615\uc758 \uccab \ubc88\uc9f8 \uc870\uac74\uc744 \ubcf4\uc5ec\uc8fc\ub294 \uc608\uc785\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 \uac70\ub9ac\uc5d0 \uac78\ub824 \uc788\ub294 \ud45c\uc9c0\ud310\uc744 \uc790\uc8fc \ubcfc \uc218 \uc788\uc73c\uba70 \ud45c\uc9c0\ud310\uc740 \ud56d\uc0c1 \uc815\uc9c0\ud574 \uc788\uc73c\ubbc0\ub85c(\ub611\ubc14\ub85c \uc138\uc6cc\uc838 \uc788\uace0 \ub118\uc5b4\uc9c0\uc9c0 \uc54a\uc74c) \uade0\ud615\uc744 \uc774\ub8e8\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p> \ub9c8\ucc2c\uac00\uc9c0\ub85c, \uc815\uc9c0\ud574 \uc788\ub294 \ub545 \uc704\uc5d0 \ub193\uc5ec \uc788\ub294 \ubaa8\ub4e0 \ubb3c\uccb4\ub294 \ud798\uc758 \ud3c9\ud615 \uc0c1\ud0dc\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. \uc989, \ud3c9\ud615 \uc0c1\ud0dc\uc758 \uccab \ubc88\uc9f8 \uc870\uac74\uc744 \ucda9\uc871\ud569\ub2c8\ub2e4. \uc65c\ub0d0\ud558\uba74 \ubab8\uc5d0 \uac00\ud574\uc9c0\ub294 \uc720\uc77c\ud55c \ud798\uc740 \ubb34\uac8c\uc640 \uc218\uc9c1\ub825\uc774\uace0 \ub450 \ud798\uc740 \uc11c\ub85c \ubc18\ub300\uc774\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. <\/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\/equilibre-des-forces.png\" alt=\"\uc138\ub825 \uade0\ud615\" class=\"wp-image-294\" width=\"319\" height=\"252\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/equilibre-des-forces-300x238.png 300w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/equilibre-des-forces-768x610.png 768w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/equilibre-des-forces.png 852w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"><\/figure>\n<\/div>\n<p> \ub9c8\uc9c0\ub9c9\uc73c\ub85c \uccab \ubc88\uc9f8 \ud3c9\ud615 \uc870\uac74\uc758 \ub610 \ub2e4\ub978 \uc608\ub294 \uace0\uc18d\ub3c4\ub85c\uc5d0\uc11c \uc77c\uc815\ud55c \uc18d\ub3c4\ub85c \uc6b4\uc804\ud558\ub294 \uc790\ub3d9\ucc28\uc785\ub2c8\ub2e4. \uc77c\uc815\ud55c \uc18d\ub3c4\ub85c \uc6c0\uc9c1\uc774\ub294 \ubb3c\uccb4\ub294 \uac00\uc18d\ub3c4\uac00 0\uc784\uc744 \uc758\ubbf8\ud558\ubbc0\ub85c \ubb3c\uccb4\uc5d0 \uac00\ud574\uc9c0\ub294 \ud798\uc758 \ud569\ub3c4 0\uc785\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ejercicios-resueltos-de-la-primera-condicion-de-equilibrio\"><\/span>\uccab \ubc88\uc9f8 \ud3c9\ud615 \uc870\uac74\uc758 \ubb38\uc81c \ud574\uacb0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 class=\"wp-block-heading\"> \uc5f0\uc2b5 1<\/h3>\n<p> \ub2e4\uc74c \uadf8\ub9bc\uc5d0 \uac01\ub3c4\uac00 \ud45c\uc2dc\ub41c \ub450 \uac1c\uc758 \ub85c\ud504\uc5d0 \ub9e4\ub2ec\ub824 \uc788\ub294 12kg\uc758 \uc9c8\ub7c9\uc744 \uac00\uc9c4 \uac15\uccb4\uac00 \uc8fc\uc5b4\uc84c\uc744 \ub54c \ubab8\uccb4\ub97c \ud3c9\ud615 \uc0c1\ud0dc\ub85c \uc720\uc9c0\ud558\uae30 \uc704\ud574 \uac01 \ub85c\ud504\uac00 \uac00\ud574\uc57c \ud558\ub294 \ud798\uc744 \uacc4\uc0b0\ud558\uc2ed\uc2dc\uc624. <\/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\/probleme-de-premiere-condition-dequilibre.png\" alt=\"\uccab \ubc88\uc9f8 \ud3c9\ud615 \uc870\uac74\uc758 \ubb38\uc81c\" class=\"wp-image-372\" width=\"243\" height=\"243\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/probleme-de-premiere-condition-dequilibre-300x300.png 300w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/probleme-de-premiere-condition-dequilibre-150x150.png 150w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/probleme-de-premiere-condition-dequilibre.png 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"><\/figure>\n<\/div>\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\"> \uc774\ub7ec\ud55c \uc720\ud615\uc758 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574 \uac00\uc7a5 \uba3c\uc800 \ud574\uc57c \ud560 \uc77c\uc740 \uadf8\ub9bc\uc758 \uc790\uc720\ubb3c\uccb4\ub3c4\ub97c \uadf8\ub9ac\ub294 \uac83\uc785\ub2c8\ub2e4. <\/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\/exercice-resolu-de-la-premiere-condition-dequilibre.png\" alt=\"\uccab \ubc88\uc9f8 \uade0\ud615 \uc870\uac74\uc758 \uc6b4\ub3d9 \ud574\uacb0\" class=\"wp-image-375\" width=\"282\" height=\"335\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/exercice-resolu-de-la-premiere-condition-dequilibre-252x300.png 252w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/exercice-resolu-de-la-premiere-condition-dequilibre.png 600w\" sizes=\"auto, (max-width: 252px) 100vw, 252px\"><\/figure>\n<\/div>\n<p class=\"has-text-align-left\"> \ub9e4\ub2ec\ub9b0 \ubb3c\uccb4\uc5d0 \uc791\uc6a9\ud558\ub294 \ud798\uc740 \uc2e4\uc81c\ub85c \uc138 \uac00\uc9c0 \ud798, \uc989 \ubb34\uac8c\uc758 \ud798 P\uc640 \uc904\uc758 \uc7a5\ub825 T <sub>1<\/sub> \ubc0f T <sub>2<\/sub> \ubfd0\uc785\ub2c8\ub2e4. T <sub>1x<\/sub> , T <sub>1y<\/sub> , T <sub>2x<\/sub> \ubc0f T <sub>2y<\/sub> \ub85c \ud45c\uc2dc\ub41c \ud798\uc740 \uac01\uac01 T <sub>1<\/sub> \ubc0f T <sub>2<\/sub> \uc758 \ubca1\ud130 \uad6c\uc131\uc694\uc18c\uc785\ub2c8\ub2e4.<\/p>\n<p class=\"has-text-align-left\"> \ub530\ub77c\uc11c \uc6b0\ub9ac\ub294 \uc904\uc758 \uacbd\uc0ac\uac01\uc744 \uc54c\uace0 \uc788\uc73c\ubbc0\ub85c \uc7a5\ub825\uc758 \ubca1\ud130 \uad6c\uc131 \uc694\uc18c\uc5d0 \ub300\ud55c \ud45c\ud604\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-bc09423d2d10435101c7d6b087add524_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\" T_{1x}=T_1\\cdot \\text{cos}(20\u00ba)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"135\" 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-0603d4b02835532dcefe2290484067fb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\" T_{1y}=T_1\\cdot \\text{sin}(20\u00ba)\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"133\" 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-0b10a6fc64a1a84b9f4f2c47b7990766_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\" T_{2x}=T_2\\cdot \\text{cos}(55\u00ba)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"135\" 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-3e7a1dc2ffa7eb20e5e2d9346f0b96a2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\" T_{2y}=T_2\\cdot \\text{sin}(55\u00ba)\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"133\" style=\"vertical-align: -6px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ubc18\uba74\uc5d0 \uc911\ub825\uc5d0 \ub300\ud55c \uacf5\uc2dd\uc744 \uc801\uc6a9\ud558\uc5ec \ubb34\uac8c\uc758 \ud798\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-da2fc72dc768050ef84d2a3c9ee4a281_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P=m\\cdot g=12\\cdot 9,81 =117,72 \\N\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"239\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \ubb38\uc81c \uc124\uba85\uc740 \ubb3c\uccb4\uac00 \ud3c9\ud615 \uc0c1\ud0dc\uc5d0 \uc788\uc73c\ubbc0\ub85c \uc218\uc9c1 \ud798\uc758 \ud569\uacfc \uc218\ud3c9 \ud798\uc758 \ud569\uc774 0\uc774 \ub418\uc5b4\uc57c \ud568\uc744 \uc54c\ub824\uc90d\ub2c8\ub2e4. \ub530\ub77c\uc11c \ud798 \ubc29\uc815\uc2dd\uc744 \uc124\uc815\ud558\uace0 \uc774\ub97c 0\uc73c\ub85c \uc124\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-6532044e76d6b9246f64624159b08c33_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-T_{1x}+T_{2x}=0\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"119\" 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-52aadf04437252b1f9c17107dfc16a84_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"T_{1y}+T_{2y}-P=0\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"140\" style=\"vertical-align: -6px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uc774\uc81c \uc81c\uc57d \uc870\uac74\uc758 \uad6c\uc131 \uc694\uc18c\ub97c \uc774\uc804\uc5d0 \ucc3e\uc740 \ud45c\ud604\uc2dd\uc73c\ub85c \ub300\uccb4\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-4a4993c55ab7f27b6c0b67793ee5ff8a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"-T_1\\cdot\\text{cos}(20\u00ba)+T_2\\cdot \\text{cos}(55\u00ba)=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"239\" 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-204773c167037418680872592d118315_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"T_1\\cdot \\text{sin}(20\u00ba)+T_2\\cdot \\text{sin}(55\u00ba)-117.72=0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"293\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \uadf8\ub9ac\uace0 \ub9c8\uc9c0\ub9c9\uc73c\ub85c \ubc29\uc815\uc2dd \uc2dc\uc2a4\ud15c\uc744 \ud480\uc5b4 \ud798 T <sub>1<\/sub> \uacfc T <sub>2<\/sub> \uc758 \uac12\uc744 \uc5bb\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-5ce6dd2d7dce6ba9d2e8c66e50e628b6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left.\\begin{array}{l}-T_1\\cdot 0,94+T_2\\cdot 0,57=0\\\\[2ex]T_1\\cdot 0,34+T_2\\cdot 0,82-117 .72=0\\end{array }\\right\\} \\longrightarrow \\ \\begin{array}{c}T_1=69,56 \\ N\\\\[2ex]T_2=114,74 \\ 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 2<\/h3>\n<p> Comme le montre la figure suivante, deux objets sont reli\u00e9s par une corde et une poulie de masses n\u00e9gligeables. Si l&#8217;objet 2 a une masse de 7 kg et que la pente de la rampe est de 50\u00ba, calculez la masse de l&#8217;objet 1 pour que l&#8217;ensemble du syst\u00e8me soit dans des conditions d&#8217;\u00e9quilibre. Dans ce cas, la force de frottement peut \u00eatre n\u00e9glig\u00e9e. <\/p>\n<div class=&quot;wp-block-image&quot;>\n<figure class=&quot;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-dequilibre-des-forces.png&quot; alt=&quot;probl\u00e8me d'\u00e9quilibre translationnel&quot; class=&quot;wp-image-295&quot; width=&quot;299&quot; height=&quot;240&quot; srcset=&quot;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&quot; sizes=&quot;(max-width: 300px) 100vw, 300px&quot;><\/figure>\n<\/div>\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> Le corps 1 est sur une pente inclin\u00e9e, donc la premi\u00e8re chose \u00e0 faire est de d\u00e9composer vectoriellement la force de son poids pour avoir les forces dans les axes de la pente : [latex]P_{1x}=P_1\\cdot \\text{sin}(\\alpha)&#8221; title=&#8221;Rendered by QuickLaTeX.com&#8221; height=&#8221;340&#8243; width=&#8221;2876&#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-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<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\/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<\/div>\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-ed082b4f064316ab20fb0d26054d3010_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 ] Ainsi, la composante du poids de l'objet 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=\"87\" width=\"1160\" 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\uc81c \uc911\ub825 \uacf5\uc2dd\uc744 \uc801\uc6a9\ud558\uace0 \ubc29\uc815\uc2dd\uc744 \ub2e8\uc21c\ud654\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-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-left\"> \ub9c8\uc9c0\ub9c9\uc73c\ub85c \ub370\uc774\ud130\ub97c \ub300\uccb4\ud558\uace0 \ubab8\uccb4 1\uc758 \uc9c8\ub7c9\uc744 \uad6c\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-0457f85ca65afde96b2e575ce54869dd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_1 \\cdot \\text{sin}(50\u00ba) =7\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"122\" 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-9a26d132815a0ce878a6ad874c8b40b0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"m_1 =\\cfrac{7}{\\text{sin}(50\u00ba)}\" title=\"Rendered by QuickLaTeX.com\" height=\"44\" width=\"103\" 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<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\uc774 \uae30\uc0ac\uc5d0\uc11c\ub294 \uccab \ubc88\uc9f8 \ud3c9\ud615 \uc870\uac74\uc774 \ubb34\uc5c7\uc73c\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\ub294\uc9c0 \uc124\uba85\ud569\ub2c8\ub2e4. \ub610\ud55c \uccab \ubc88\uc9f8 \uade0\ud615 \uc870\uac74\uc758 \uc2e4\uc81c \uc608\ub97c \ucc3e\uc744 \uc218 \uc788\uc73c\uba70 \ub9c8\uc9c0\ub9c9\uc73c\ub85c \uc774 \uc8fc\uc81c\uc5d0 \ub300\ud55c \ud574\uacb0 \uc5f0\uc2b5\uc744 \ud1b5\ud574 \uc5f0\uc2b5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uccab \ubc88\uc9f8 \uade0\ud615 \uc870\uac74\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c? \ubb3c\ub9ac\ud559\uc5d0\uc11c \uccab \ubc88\uc9f8 \ud3c9\ud615 \uc870\uac74\uc740 \ubb3c\uccb4\uc5d0 \uac00\ud574\uc9c4 \ud798\uc758 \ud569\uc774 0\uc774\uba74 \ud574\ub2f9 \ubb3c\uccb4\uac00 \ubcd1\uc9c4 \ud3c9\ud615 \uc0c1\ud0dc\uc5d0 \uc788\ub2e4\ub294 \uac83\uc744 \ud655\ub9bd\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc2dc\uc2a4\ud15c\uc758 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/physigeek.com\/ko\/%e1%84%8e%e1%85%a5%e1%86%ba-%e1%84%87%e1%85%a5%e1%86%ab%e1%84%8d%e1%85%a2-%e1%84%91%e1%85%a7%e1%86%bc%e1%84%92%e1%85%a7%e1%86%bc-%e1%84%8c%e1%85%a9%e1%84%80%e1%85%a5%e1%86%ab\/\"> <span class=\"screen-reader-text\">\uade0\ud615\uc758 \uccab \ubc88\uc9f8 \uc870\uac74<\/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-21","post","type-post","status-publish","format-standard","hentry","category-5"],"yoast_head":"<!-- This site is optimized 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