{"id":323,"date":"2023-06-21T16:50:23","date_gmt":"2023-06-21T16:50:23","guid":{"rendered":"https:\/\/physigeek.com\/cn\/%e5%ae%9a%e6%bb%91%e8%bd%ae\/"},"modified":"2023-06-21T16:50:23","modified_gmt":"2023-06-21T16:50:23","slug":"%e5%ae%9a%e6%bb%91%e8%bd%ae","status":"publish","type":"post","link":"https:\/\/physigeek.com\/cn\/%e5%ae%9a%e6%bb%91%e8%bd%ae\/","title":{"rendered":"\u5b9a\u6ed1\u8f6e"},"content":{"rendered":"<p>\u5728\u672c\u6587\u4e2d\uff0c\u60a8\u5c06\u4e86\u89e3\u4ec0\u4e48\u662f\u5b9a\u6ed1\u8f6e\u3001\u5b9a\u6ed1\u8f6e\u793a\u4f8b\u4ee5\u53ca\u5b9a\u6ed1\u8f6e\u65b9\u7a0b\u3002\u6b64\u5916\uff0c\u8fd8\u89e3\u91ca\u4e86\u5b9a\u6ed1\u8f6e\u548c\u52a8\u6ed1\u8f6e\u4e4b\u95f4\u7684\u5dee\u5f02\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%C2%BFQue-es-una-polea-fija\"><\/span>\u4ec0\u4e48\u662f\u5b9a\u6ed1\u8f6e\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>\u5b9a\u6ed1\u8f6e<\/strong>\u662f\u4e00\u79cd\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u4fdd\u6301\u9759\u6b62\u7684\u6ed1\u8f6e\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5b9a\u6ed1\u8f6e\u662f\u4e00\u79cd\u9759\u6001\u4f20\u9012\u529b\u7684\u673a\u68b0\u88c5\u7f6e\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u4e95\u662f\u4e00\u4e2a\u5b9a\u6ed1\u8f6e\u3002\u56e0\u6b64\uff0c\u4e95\u7684\u5b9a\u6ed1\u8f6e\u4f20\u9012\u4e00\u4e2a\u529b\u5c06\u6c34\u4ece\u5e95\u90e8\u6392\u51fa\uff0c\u5e76\u5728\u6574\u4e2a\u8fc7\u7a0b\u4e2d\u4fdd\u6301\u5728\u540c\u4e00\u4f4d\u7f6e\u3002<\/p>\n<p>\u5b9a\u6ed1\u8f6e\u7684\u4e3b\u8981\u7279\u70b9\u662f\u5b83\u6ca1\u6709\u673a\u68b0\u4f18\u52bf\uff0c\u56e0\u6b64\u6240\u65bd\u52a0\u7684\u529b\u7b49\u4e8e\u963b\u529b\u7684\u91cd\u91cf\u3002\u7136\u800c\uff0c\u5b9a\u6ed1\u8f6e\u5141\u8bb8\u6539\u53d8\u65bd\u52a0\u529b\u7684\u65b9\u5411\u548c\u65b9\u5411\uff0c\u4ece\u800c\u66f4\u5bb9\u6613\u63d0\u5347\u8d1f\u8f7d\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Elementos-de-una-polea-fija\"><\/span>\u5b9a\u6ed1\u8f6e\u7684\u5143\u4ef6<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u73b0\u5728\u6211\u4eec\u77e5\u9053\u4e86\u5b9a\u6ed1\u8f6e\u7684\u5b9a\u4e49\uff0c\u6211\u4eec\u5c06\u4e86\u89e3\u6784\u6210\u8fd9\u79cd\u7c7b\u578b\u6ed1\u8f6e\u7684\u4e0d\u540c\u5143\u4ef6\u662f\u4ec0\u4e48\u3002<\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:18px\"><span style=\"color:#101010;font-weight: normal;\"><strong>\u529f\u7387 (P)<\/strong> \uff1a\u662f\u65bd\u52a0\u5230\u6ed1\u8f6e\u4e0a\u4ee5\u62b5\u6d88\u6ed1\u8f6e\u4e0a\u60ac\u6302\u7684\u8d1f\u8f7d\u7684\u529b\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u529f\u7387\u662f\u63d0\u5347\u8d1f\u8f7d\u6240\u5fc5\u987b\u65bd\u52a0\u7684\u529b\u3002<\/span><\/li>\n<li style=\"margin-bottom:18px\"><span style=\"color:#101010;font-weight: normal;\"><strong>\u963b\u529b (R)<\/strong> \uff1a\u662f\u6211\u4eec\u5e0c\u671b\u901a\u8fc7\u6ed1\u8f6e\u79fb\u52a8\u7684\u8d1f\u8f7d\u6240\u65bd\u52a0\u7684\u529b\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u8fd9\u662f\u6211\u4eec\u5fc5\u987b\u514b\u670d\u7684\u529b\u91cf\u3002<\/span><\/li>\n<li style=\"margin-bottom:18px\"><span style=\"color:#101010;font-weight: normal;\"><strong>\u5f20\u529b\uff08T\uff09<\/strong> \uff1a\u662f\u652f\u6491\u4ef6\u65bd\u52a0\u5728\u6ed1\u8f6e\u4e0a\u4ee5\u7ef4\u6301\u5176\u72b6\u6001\u7684\u529b\u3002\u62c9\u529b\u7684\u503c\u76f8\u5f53\u4e8e\u529f\u7387\u548c\u963b\u529b\u7684\u77e2\u91cf\u548c\u3002<\/span> <\/li>\n<\/ul>\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"460\" height=\"359\" src=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/poulie-fixe.png\" alt=\"\u5b9a\u6ed1\u8f6e\uff0c\u5b9a\u6ed1\u8f6e\u56fe\u7eb8\" class=\"wp-image-5625\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/poulie-fixe-300x234.png 300w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/poulie-fixe.png 460w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"><\/figure>\n<p>\u5b9a\u6ed1\u8f6e\u4e5f\u53ef\u4ee5\u88ab\u8ba4\u4e3a\u662f\u4e00\u9636\u6760\u6746\uff0c\u56e0\u4e3a\u5b83\u6784\u6210\u4e86\u52a8\u529b\u548c\u963b\u529b\u4e4b\u95f4\u7684\u652f\u70b9\u3002<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Formula-de-una-polea-fija\"><\/span>\u5b9a\u6ed1\u8f6e\u7684\u8ba1\u7b97\u516c\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5728\u5b9a\u6ed1\u8f6e\u4e2d\uff0c\u4f20\u9012\u7684\u529b\u7b49\u4e8e\u8d1f\u8f7d\u7684\u963b\u529b\u3002\u56e0\u6b64\uff0c\u5b9a\u6ed1\u8f6e\u7684\u516c\u5f0f\u662f\uff1a\u529f\u7387\u7b49\u4e8e\u963b\u529b\uff08P=R\uff09\u3002<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-9e488a48f31321adfbfb1e0c53726477_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"P=R\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"51\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u7531\u7b2c\u4e8c\u4e2a\u5e73\u8861\u6761\u4ef6\u53ef\u4ee5\u63a8\u5bfc\u51fa\u5b9a\u6ed1\u8f6e\u516c\u5f0f\u3002\u7531\u4e8e\u529f\u7387\u548c\u963b\u529b\u662f\u5e73\u884c\u529b\u5e76\u4e14\u8ddd\u6ed1\u8f6e\u4e2d\u5fc3\u7684\u8ddd\u79bb\u76f8\u540c\uff0c\u56e0\u6b64\u5e94\u7528\u7b2c\u4e8c\u4e2a\u5e73\u8861\u6761\u4ef6\u5bfc\u81f4\u8fd9\u4e24\u4e2a\u529b\u5fc5\u987b\u76f8\u7b49\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u5728\u5b9a\u6ed1\u8f6e\u4e2d\u6ca1\u6709\u673a\u68b0\u589e\u76ca\uff0c\u4f46\u5b9a\u6ed1\u8f6e\u7684\u529f\u80fd\u53ea\u662f\u6539\u53d8\u6240\u65bd\u52a0\u7684\u529b\u7684\u65b9\u5411\u6216\u65b9\u5411\u3002\u8fd9\u6bd4\u770b\u8d77\u6765\u66f4\u6709\u7528\uff0c\u4f8b\u5982\uff0c\u5b83\u5141\u8bb8\u60a8\u901a\u8fc7\u65bd\u52a0\u5411\u4e0b\u7684\u529b\u6765\u4e3e\u8d77\u7269\u4f53\u3002<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ejemplos-de-poleas-fijas\"><\/span> \u5b9a\u6ed1\u8f6e\u793a\u4f8b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4ee5\u4e0b\u662f\u65e5\u5e38\u751f\u6d3b\u4e2d\u5e38\u89c1\u7684\u5b9a\u6ed1\u8f6e\u7684\u51e0\u4e2a\u4f8b\u5b50\u3002<\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:12px\"><span style=\"color:#101010;font-weight: normal;\"><strong>\u4e95<\/strong>\u2014\u2014\u4e95\u4e2d\u7684\u6c34\u7531\u5b9a\u6ed1\u8f6e\u62c9\u52a8\u3002<\/span><\/li>\n<li style=\"margin-bottom:12px\"><span style=\"color:#101010;font-weight: normal;\"><strong>\u65d7\u6746<\/strong>\u2014\u2014\u901a\u5e38\u65d7\u5e1c\u7531\u5b9a\u6ed1\u8f6e\u60ac\u6302\u3002<\/span><\/li>\n<li style=\"margin-bottom:12px\"><span style=\"color:#101010;font-weight: normal;\"><strong>\u767e\u53f6\u7a97<\/strong>\u2014\u2014\u6709\u4e9b\u767e\u53f6\u7a97\u662f\u7531\u5b9a\u6ed1\u8f6e\u64cd\u4f5c\u7684\uff0c\u56e0\u6b64\u767e\u53f6\u7a97\u662f\u901a\u8fc7\u5b9a\u6ed1\u8f6e\u7684\u673a\u6784\u6765\u5347\u9ad8\u6216\u964d\u4f4e\u7684\u3002<\/span><\/li>\n<li style=\"margin-bottom:12px\"><span style=\"color:#101010;font-weight: normal;\"><strong>\u5de5\u4f5c<\/strong>\uff1a\u5728\u5de5\u4f5c\u4e2d\uff0c\u901a\u5e38\u5b89\u88c5\u5b9a\u6ed1\u8f6e\u6765\u5347\u964d\u7269\u4f53\u3002<\/span> <\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Polea-fija-y-polea-movil\"><\/span>\u5b9a\u6ed1\u8f6e\u548c\u52a8\u6ed1\u8f6e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u770b\u5230\u5b9a\u6ed1\u8f6e\u548c\u52a8\u6ed1\u8f6e\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u56e0\u4e3a\u8fd9\u662f\u4e24\u79cd\u6700\u5e38\u7528\u7684\u6ed1\u8f6e\u7c7b\u578b\u3002<\/p>\n<p><strong>\u52a8\u6ed1\u8f6e<\/strong>\u662f\u4e00\u79cd\u5728\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u79fb\u52a8\u7684\u6ed1\u8f6e\u3002\u901a\u5e38\uff0c\u52a8\u6ed1\u8f6e\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u5782\u76f4\u4e0a\u4e0b\u79fb\u52a8\u3002<\/p>\n<p>\u56e0\u6b64\uff0c<strong>\u5b9a\u6ed1\u8f6e\u548c\u52a8\u6ed1\u8f6e\u7684\u533a\u522b\u5728\u4e8e<\/strong>\uff0c\u5b9a\u6ed1\u8f6e\u662f\u5b8c\u5168\u9759\u6b62\u7684\uff0c\u800c\u52a8\u6ed1\u8f6e\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u662f\u79fb\u52a8\u7684\u3002 <\/p>\n<div style=\"background-color:#FFFDE7; padding-top: 10px; padding-bottom: 10px; padding-right: 10px; padding-left: 20px; border: 2.5px dashed #FFB74D; border-radius:20px;\"> <span style=\"color:#ff951b\">\u27a4<\/span><strong>\u53c2\u89c1\uff1a<\/strong><a href=\"https:\/\/physigeek.com\/cn\/\u52a8\u6ed1\u8f6e\/\">\u79fb\u52a8\u6ed1\u8f6e<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u672c\u6587\u4e2d\uff0c\u60a8\u5c06\u4e86\u89e3\u4ec0\u4e48\u662f\u5b9a\u6ed1\u8f6e\u3001\u5b9a\u6ed1\u8f6e\u793a\u4f8b\u4ee5\u53ca\u5b9a\u6ed1\u8f6e\u65b9\u7a0b\u3002\u6b64\u5916\uff0c\u8fd8\u89e3\u91ca\u4e86\u5b9a\u6ed1\u8f6e\u548c\u52a8\u6ed1\u8f6e\u4e4b\u95f4\u7684\u5dee\u5f02\u3002 \u4ec0\u4e48\u662f\u5b9a\u6ed1 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/physigeek.com\/cn\/%e5%ae%9a%e6%bb%91%e8%bd%ae\/\"> <span class=\"screen-reader-text\">\u5b9a\u6ed1\u8f6e<\/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-323","post","type-post","status-publish","format-standard","hentry","category-10"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u25b7 \u5b9a\u6ed1\u8f6e<\/title>\n<meta name=\"description\" content=\"\u5728\u8fd9\u91cc\u60a8\u5c06\u4e86\u89e3\u4ec0\u4e48\u662f\u5b9a\u6ed1\u8f6e\u3001\u5b9a\u6ed1\u8f6e\u7684\u793a\u4f8b\u3001\u5b9a\u6ed1\u8f6e\u7684\u516c\u5f0f\u4ee5\u53ca\u5b9a\u6ed1\u8f6e\u548c\u52a8\u6ed1\u8f6e\u7684\u533a\u522b\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/physigeek.com\/cn\/\u5b9a\u6ed1\u8f6e\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u25b7 \u5b9a\u6ed1\u8f6e\" \/>\n<meta property=\"og:description\" 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