{"id":327,"date":"2023-06-21T14:48:17","date_gmt":"2023-06-21T14:48:17","guid":{"rendered":"https:\/\/physigeek.com\/cn\/%e7%ae%80%e6%98%93%e8%bd%ac%e8%a7%92%e6%9c%ba\/"},"modified":"2023-06-21T14:48:17","modified_gmt":"2023-06-21T14:48:17","slug":"%e7%ae%80%e6%98%93%e8%bd%ac%e8%a7%92%e6%9c%ba","status":"publish","type":"post","link":"https:\/\/physigeek.com\/cn\/%e7%ae%80%e6%98%93%e8%bd%ac%e8%a7%92%e6%9c%ba\/","title":{"rendered":"\u6954\u5757\uff08\u5355\u673a\uff09"},"content":{"rendered":"<p>\u672c\u6587\u89e3\u91ca\u4ec0\u4e48\u662f\u6954\u5b50\uff08\u7b80\u5355\u673a\u5668\uff09\u3002\u56e0\u6b64\uff0c\u5f53\u8c08\u5230\u7b80\u5355\u7684\u673a\u5668\u65f6\uff0c\u60a8\u5c06\u4e86\u89e3\u6954\u5b50\u7684\u7ec4\u6210\u3001\u5176\u516c\u5f0f\u53ca\u5176\u5e94\u7528\u3002\u6b64\u5916\uff0c\u60a8\u53ef\u4ee5\u7ec3\u4e60\u9010\u6b65\u89e3\u51b3\u95ee\u9898\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%C2%BFQue-es-una-cuna-maquina-simple\"><\/span>\u4ec0\u4e48\u662f\u6954\u5b50\uff08\u7b80\u5355\u673a\u5668\uff09\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>\u6954\u5b50<\/strong>\u662f\u4e00\u79cd\u4e09\u89d2\u5f62\u7684\u90e8\u4ef6\uff0c\u901a\u5e38\u7531\u6728\u5934\u6216\u91d1\u5c5e\u5236\u6210\uff0c\u672b\u7aef\u6709\u4e00\u4e2a\u975e\u5e38\u9510\u89d2\u3002\u6954\u5b50\u88ab\u8ba4\u4e3a\u662f\u516d\u79cd\u7b80\u5355\u673a\u5668\u4e4b\u4e00\u3002<\/p>\n<p>\u4f5c\u4e3a\u4e00\u79cd\u7b80\u5355\u7684\u673a\u5668\uff0c\u6954\u5b50\u7684\u5f62\u72b6\u7528\u4e8e\u6539\u53d8\u65bd\u52a0\u5728\u5176\u4e0a\u7684\u529b\u7684\u65b9\u5411\u3002\u56e0\u6b64\uff0c\u6954\u5b50\u7528\u4e8e\u5c06\u7269\u4f53\u5206\u6210\u4e24\u90e8\u5206\u3001\u63d0\u5347\u7269\u4f53\u6216\u5c06\u9759\u6001\u7269\u4f53\u4fdd\u6301\u5c31\u4f4d\u3002<\/p>\n<p>\u6954\u5b50\u7684\u64cd\u4f5c\u5305\u62ec\u5c06\u65bd\u52a0\u5728\u5176\u7aef\u90e8\u7684\u529b\u8f6c\u6362\u6210\u5782\u76f4\u4e8e\u5176\u503e\u659c\u8868\u9762\u7684\u4e24\u4e2a\u529b\u3002\u56e0\u6b64\uff0c\u6954\u5b50\u662f\u4e00\u79cd\u53ef\u4ee5\u6539\u53d8\u529b\u65b9\u5411\u7684\u7b80\u5355\u673a\u5668\u3002 <\/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\/berceau.png\" alt=\"\u6447\u7bee\" class=\"wp-image-5566\" width=\"219\" height=\"311\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/berceau-212x300.png 212w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/berceau.png 395w\" sizes=\"auto, (max-width: 212px) 100vw, 212px\"><\/figure>\n<p>\u6700\u521d\uff0c\u65bd\u52a0\u5728\u6954\u5b50\u5e73\u5766\u8868\u9762\u4e0a\u7684\u529b\u8f6c\u79fb\u5230\u5176\u5c16\u7aef\uff0c\u4f7f\u5176\u80fd\u591f\u7a7f\u900f\u7269\u4f53\u3002\u7136\u540e\uff0c\u5f53\u5c06\u6954\u5b50\u63d2\u5165\u6240\u521b\u5efa\u7684\u5b54\u65f6\uff0c\u65bd\u52a0\u5728\u5176\u5e73\u5766\u8868\u9762\u4e0a\u7684\u529b\u8f6c\u6362\u4e3a\u5782\u76f4\u4e8e\u6954\u5b50\u659c\u9762\u7684\u4e24\u4e2a\u529b\uff0c\u4ece\u800c\u5c06\u7269\u4f53\u5206\u6210\u4e24\u90e8\u5206\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Formula-de-la-cuna-como-maquina-simple\"><\/span>\u6954\u5f62\u516c\u5f0f\u4f5c\u4e3a\u7b80\u5355\u7684\u673a\u5668<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u6954\u5b50\u7684<strong>\u673a\u68b0\u4f18\u52bf<\/strong>\u5728\u4e8e\u5176\u9ad8\u5ea6\u548c\u5bbd\u5ea6\u4e4b\u95f4\u7684\u6bd4\u7387\u3002\u56e0\u6b64\uff0c\u6954\u5757\u4f5c\u4e3a\u7b80\u5355\u673a\u5668\u7684\u673a\u68b0\u6548\u76ca\u7b49\u4e8e\u5176\u9ad8\u5ea6\u7684\u957f\u5ea6\u9664\u4ee5\u5176\u5bbd\u5ea6\u3002<\/p>\n<p>\u56e0\u6b64<strong>\uff0c\u7b80\u5355\u6954\u5757\u673a\u7684\u516c\u5f0f<\/strong>\u5982\u4e0b\uff1a <\/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-simple-de-machine-a-coin.png\" alt=\"\u7b80\u5355\u7684\u6295\u5e01\u673a\u516c\u5f0f\" class=\"wp-image-5583\" width=\"170\" height=\"232\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/formule-simple-de-machine-a-coin-220x300.png 220w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/formule-simple-de-machine-a-coin.png 270w\" sizes=\"auto, (max-width: 220px) 100vw, 220px\"><\/figure>\n<p>\u56e0\u6b64\uff0c\u673a\u68b0\u6548\u76ca\u4e0e\u6954\u5f62\u4ef6\u7684\u9ad8\u5ea6\u6210\u6b63\u6bd4\uff0c\u53e6\u4e00\u65b9\u9762\uff0c\u4e0e\u6954\u5f62\u4ef6\u7684\u5bbd\u5ea6\u6210\u53cd\u6bd4\u3002\u56e0\u6b64\uff0c\u62d0\u89d2\u7684\u89d2\u5ea6\u51b3\u5b9a\u4e86\u8fd9\u79cd\u7b80\u5355\u673a\u5668\u7684\u673a\u68b0\u4f18\u52bf\u3002<\/p>\n<p>\u7b80\u800c\u8a00\u4e4b\uff0c\u659c\u9762\u4e4b\u95f4\u7684\u89d2\u5ea6\u8d8a\u5c0f\uff0c\u7b80\u5355\u7684\u6954\u5757\u673a\u5c06\u5177\u6709\u8d8a\u5927\u7684\u673a\u68b0\u4f18\u52bf\u3002\u8fd9\u610f\u5473\u7740\u9700\u8981\u4f7f\u7528\u66f4\u5c11\u7684\u529b\u91cf\u6765\u514b\u670d\u963b\u529b\u3002<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Uso-de-la-cuna\"><\/span>\u89d2\u843d\u7684\u5229\u7528<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4e00\u65e6\u6211\u4eec\u4e86\u89e3\u4e86\u786c\u5e01\u4f5c\u4e3a\u7b80\u5355\u673a\u5668\u7684\u5b9a\u4e49\u53ca\u5176\u516c\u5f0f\u662f\u4ec0\u4e48\uff0c\u6211\u4eec\u5c31\u4f1a\u770b\u5230\u786c\u5e01\u7684\u7528\u9014\uff0c\u4ee5\u5145\u5206\u7406\u89e3\u5176\u542b\u4e49\u3002<\/p>\n<p>\u4f7f\u7528\u6954\u5b50\u6765\u7834\u574f\u6216\u5206\u5272\u8eab\u4f53\u7684\u975e\u5e38\u660e\u663e\u7684\u4f8b\u5b50\u662f\u65a7\u5b50\u548c\u9489\u5b50\uff0c\u5b83\u4eec\u53ef\u4ee5\u7a7f\u900f\u7269\u4f53\uff0c\u7136\u540e\u901a\u8fc7\u7b80\u5355\u7684\u6954\u5b50\u673a\u7684\u673a\u5236\u5c06\u5176\u5206\u6210\u4e24\u534a\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u8f74\u5207\u5272\u6728\u6750\u3002<\/p>\n<p>\u540c\u6837\uff0c\u5200\u3001\u526a\u5200\u548c\u51ff\u5b50\u4e5f\u4f9d\u8d56\u6954\u5b50\u4f5c\u4e3a\u5c06\u7269\u4f53\u4e00\u5206\u4e3a\u4e8c\u7684\u7b80\u5355\u673a\u5668\u3002<\/p>\n<p>\u53e6\u4e00\u65b9\u9762\uff0cfalca \u7684\u53e6\u4e00\u4e2a\u5e94\u7528\u662f\u56fa\u5b9a\u7269\u4f53\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u5728\u95e8\u811a\u5904\u653e\u7f6e\u4e00\u4e2a\u6954\u5b50\uff0c\u5c06\u5176\u56fa\u5b9a\u5230\u4f4d\uff0c\u4f7f\u5176\u4e0d\u4f1a\u79fb\u52a8\uff0c\u4ece\u800c\u9632\u6b62\u95e8\u56e0\u6c14\u6d41\u800c\u5173\u95ed\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ejercicio-resuelto-de-la-cuna\"><\/span>\u5df2\u89e3\u51b3\u7684\u89d2\u7ec3\u4e60<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5c06 F=10 N \u7684\u5782\u76f4\u529b\u65bd\u52a0\u5230\u4e0b\u4e00\u4e2a\u89d2\u5ea6\u4e3a 40\u00b0 \u7684\u89d2\u4e0a\u3002\u6bcf\u4e2a\u659c\u9762\u6240\u65bd\u52a0\u7684\u529b R \u662f\u591a\u5c11\uff1f <\/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-simple-de-cale-de-machine.png\" alt=\"\" class=\"wp-image-5575\" width=\"261\" height=\"215\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/probleme-simple-de-cale-de-machine-300x243.png 300w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/probleme-simple-de-cale-de-machine.png 395w\" 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>\u67e5\u770b\u89e3\u51b3\u65b9\u6848<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u9996\u5148\uff0c\u6211\u4eec\u5236\u4f5c\u89d2\u70b9\u7684\u81ea\u7531\u4f53\u56fe\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u4ee3\u8868\u7cfb\u7edf\u4e2d\u4f5c\u7528\u7684\u6240\u6709\u529b\u91cf\uff1a <\/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-coin-simple-machine.png\" alt=\"\u50cf\u7b80\u5355\u673a\u5668\u4e00\u6837\u4ece\u89d2\u843d\u89e3\u51b3\u7ec3\u4e60\" class=\"wp-image-5576\" width=\"292\" height=\"238\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/exercice-resolu-coin-simple-machine-300x244.png 300w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/exercice-resolu-coin-simple-machine.png 414w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"><\/figure>\n<p class=\"has-text-align-left\">\u8bf7\u6ce8\u610f\uff0cR <sub>x<\/sub>\u548c R <sub>y<\/sub>\u662f\u901a\u8fc7\u5bf9\u6954\u5757 (R) \u7684\u6bcf\u4e2a\u659c\u9762\u65bd\u52a0\u7684\u529b\u8fdb\u884c\u77e2\u91cf\u5316\u800c\u83b7\u5f97\u7684\u529b\uff0c\u5e76\u4f7f\u7528\u4ee5\u4e0b\u516c\u5f0f\u8ba1\u7b97\uff1a<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-b6b1578ac2f8ea7080b81bff5ce04945_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle R_x=R\\cdot \\text{cos }\\left(\\frac{\\alpha}{2}\\right) \" title=\"Rendered by QuickLaTeX.com\" height=\"33\" width=\"139\" 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-9a122badb600e325c527b23684651f6e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle R_y=R\\cdot \\text{sin }\\left(\\frac{\\alpha}{2}\\right) \" title=\"Rendered by QuickLaTeX.com\" height=\"33\" width=\"136\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u56e0\u6b64\uff0c\u5982\u679c\u6211\u4eec\u63d0\u51fa\u7cfb\u7edf\u4e2d\u4f5c\u7528\u529b\u7684\u5782\u76f4\u65b9\u7a0b\uff0c\u6211\u4eec\u5c06\u5f97\u5230\u4ee5\u4e0b\u8868\u8fbe\u5f0f\uff1a<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-cbaef8f746ae78e6d86661be2bc5f6d1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"F=R_y+R_y\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"101\" 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-12ae4e4786847da68cf08e9a247eae5f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"F=2R_y\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"66\" style=\"vertical-align: -6px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u73b0\u5728\u6211\u4eec\u5c06\u529b R \u7684\u8868\u8fbe\u5f0f\u4ee3<sub>\u5165<\/sub>\u65b9\u7a0b\u4e2d\uff1a<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-6054f0056d7c2d7e175e5bb3a57f1617_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle F=2\\cdot R\\cdot \\text{sin }\\left(\\frac{\\alpha}{2}\\right) \" title=\"Rendered by QuickLaTeX.com\" height=\"33\" width=\"150\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> \u6700\u540e\uff0c\u6211\u4eec\u5c06\u6570\u636e\u4ee3\u5165\u65b9\u7a0b\u5e76\u6d88\u9664\u672a\u77e5\u6570\uff1a<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-755e66814a22fcd9ca41482a18e3d40d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 10=2\\cdot R\\cdot \\text{sin }\\left(\\frac{40\u00ba}{2}\\right) \" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"164\" 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-c0ffadc662e60a3cb486ab45e413a9ff_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 10=2\\cdot R\\cdot \\text{sin }\\left(20\u00ba\\right) \" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"150\" 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-1b4e1cf0118635da406c47294fe5a5b5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle R=\\cfrac{10}{2\\cdot \\text{sin }\\left(20\u00ba\\right)} \" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"123\" 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-d335f338d7a310686b6059c23d5b6454_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle R=14.62\\N\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"77\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u89e3\u91ca\u4ec0\u4e48\u662f\u6954\u5b50\uff08\u7b80\u5355\u673a\u5668\uff09\u3002\u56e0\u6b64\uff0c\u5f53\u8c08\u5230\u7b80\u5355\u7684\u673a\u5668\u65f6\uff0c\u60a8\u5c06\u4e86\u89e3\u6954\u5b50\u7684\u7ec4\u6210\u3001\u5176\u516c\u5f0f\u53ca\u5176\u5e94\u7528\u3002\u6b64\u5916\uff0c\u60a8\u53ef\u4ee5\u7ec3\u4e60 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/physigeek.com\/cn\/%e7%ae%80%e6%98%93%e8%bd%ac%e8%a7%92%e6%9c%ba\/\"> <span class=\"screen-reader-text\">\u6954\u5757\uff08\u5355\u673a\uff09<\/span> \u67e5\u770b\u5168\u6587 &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[10],"tags":[],"class_list":["post-327","post","type-post","status-publish","format-standard","hentry","category-10"],"yoast_head":"<!-- This site is optimized 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