{"id":1405,"date":"2024-09-23T14:58:50","date_gmt":"2024-09-23T12:58:50","guid":{"rendered":"https:\/\/solveredu.com\/?p=1405"},"modified":"2026-02-17T18:38:44","modified_gmt":"2026-02-17T17:38:44","slug":"second-moment-of-area","status":"publish","type":"post","link":"https:\/\/solveredu.com\/zh\/post\/momenty-bezwladnosci-figur-plaskich\/","title":{"rendered":"\u5e73\u9762\u56fe\u5f62\u7684\u60ef\u6027\u77e9"},"content":{"rendered":"<p class=\"wp-block-paragraph\" id=\"foo\">\u5728\u672c\u5e16\u4e2d\uff0c\u60a8\u5c06\u627e\u5230\u5e73\u9762\u56fe\u5f62\u60ef\u6027\u77e9\u7684\u8ba1\u7b97\u516c\u5f0f\uff0c\u4ee5\u53ca\u5728\u8ba1\u7b97\u7531\u51e0\u4e2a\u7b80\u5355\u56fe\u5f62\u7ec4\u6210\u7684\u56fe\u5f62\u7684\u60ef\u6027\u77e9\u65f6\u5982\u4f55\u5e94\u7528\u8fd9\u4e9b\u516c\u5f0f\u3002.<\/p>\n\n\n\n<ol id=\"g7vgsjabgrpskm804549\" class=\"wp-block-list\">\n<li><a href=\"#1qctj\">\u5e73\u9762\u56fe\u5f62\u7ed5\u8f74\u7684\u8f6c\u52a8\u60ef\u91cf\uff08\u60ef\u6027\u77e9\uff09<\/a><\/li>\n\n\n\n<li><a href=\"#ba9tu3202\">\u5e73\u9762\u56fe\u5f62\u7684\u504f\u5dee\u77e9<\/a><\/li>\n\n\n\n<li><a href=\"#p2w2c3474\">\u7b80\u5355\u56fe\u5f62\u7684\u60ef\u6027\u77e9\u516c\u5f0f<\/a><\/li>\n\n\n\n<li><a href=\"#81apa2588\">\u60ef\u6027\u77e9\u8ba1\u7b97\u793a\u4f8b\u4efb\u52a1<\/a><\/li>\n<\/ol>\n\n\n\n<h1 id=\"1qctj\" class=\"wp-block-heading has-large-font-size\">\u5e73\u9762\u56fe\u5f62\u7ed5\u8f74\u7684\u8f6c\u52a8\u60ef\u91cf\uff08\u60ef\u6027\u77e9\uff09<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"9cxtg1206\"><strong>\u56fe\u5f62\u7684\u8f74\u60ef\u6027\u77e9<\/strong> \u6211\u4eec\u628a\u57fa\u672c\u573a dA \u7684\u4e58\u79ef\u548c\u5b83\u4eec\u4e0e\u8be5\u8f74\u8ddd\u79bb\u7684\u5e73\u65b9\u4e4b\u548c\u79f0\u4e3a\u57fa\u672c\u573a dA\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"425\" height=\"119\" data-attachment-id=\"1407\" data-permalink=\"https:\/\/solveredu.com\/zh\/post\/momenty-bezwladnosci-figur-plaskich\/attachment\/5\/\" data-orig-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/5.jpg?fit=425%2C119&amp;ssl=1\" data-orig-size=\"425,119\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"5\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/5.jpg?fit=425%2C119&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/5.jpg?resize=425%2C119&#038;ssl=1\" alt=\"\u5e73\u9762\u56fe\u5f62\u7684\u60ef\u6027\u77e9, SolverEdu\" class=\"wp-image-1407\" srcset=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/5.jpg?w=425&amp;ssl=1 425w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/5.jpg?resize=300%2C84&amp;ssl=1 300w\" sizes=\"auto, (max-width: 425px) 100vw, 425px\" \/><\/figure>\n\n\n\n<h2 id=\"mnmvf1304\" class=\"wp-block-heading has-medium-font-size\">\u76f8\u5bf9\u4e8e\u8f74\u7cfb\u7edf\u7684\u504f\u5dee\u529b\u77e9\uff08\u79bb\u5fc3\u529b\u77e9\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"my27t1358\"><strong>\u56fe\u5f62\u7684\u504f\u5dee\u65f6\u523b<\/strong> \u7684\u4e58\u79ef\u4e4b\u548c\u3002\u504f\u79bb\u529b\u77e9\u6709\u65f6\u7528\u5927\u5199\u5b57\u6bcd D \u8868\u793a\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"194\" height=\"71\" data-attachment-id=\"1409\" data-permalink=\"https:\/\/solveredu.com\/zh\/post\/momenty-bezwladnosci-figur-plaskich\/attachment\/6\/\" data-orig-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/6.jpg?fit=194%2C71&amp;ssl=1\" data-orig-size=\"194,71\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"6\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/6.jpg?fit=194%2C71&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/6.jpg?resize=194%2C71&#038;ssl=1\" alt=\"\u76f8\u5bf9\u4e8e\u8f74\u7cfb\u7edf\u7684\u504f\u5dee\u529b\u77e9 , SolverEdu\" class=\"wp-image-1409\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u5982\u679c\u4e00\u4e2a\u56fe\u5f62\u81f3\u5c11\u6709\u4e00\u6761\u5bf9\u79f0\u8f74\uff0c\u5219\u8be5\u56fe\u5f62\u7684\u504f\u5dee\u77e9\u4e3a\u96f6\u3002.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"lavaw3809\">\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u4e0a\u8ff0\u516c\u5f0f\uff0c\u901a\u8fc7\u5b9a\u4e49\u548c\u79ef\u5206\u6765\u786e\u5b9a\u4efb\u4f55\u56fe\u5f62\u7684\u7535\u8377\u77e9\u3002\u4e0d\u8fc7\uff0c\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u60f3\u8c08\u8c08\u5982\u4f55\u5728\u4e0d\u4f7f\u7528\u5b9a\u4e49\u548c\u79ef\u5206\u7684\u60c5\u51b5\u4e0b\uff0c\u5229\u7528\u7b80\u5355\u56fe\u5f62\u7684\u516c\u5f0f\u8ba1\u7b97\u56fe\u5f62\u7684\u7535\u8377\u77e9\u3002\u60a8\u4f1a\u7ecf\u5e38\u9047\u5230\u8fd9\u7c7b\u4efb\u52a1\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"hb6u121058\">\u8981\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u5c06\u4f7f\u7528 <strong>\u65af\u5766\u7eb3\u5b9a\u7406. <\/strong>\u6709\u5173\u6b64\u65b9\u6cd5\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u4ee5\u4e0b\u5185\u5bb9 <a href=\"https:\/\/solveredu.com\/zh\/post\/steiner-s-theorem\/\" rel=\"noreferrer noopener\" target=\"_blank\"><u>\u6761\u76ee<\/u><\/a>.<\/p>\n\n\n\n<h3 id=\"p2w2c3474\" class=\"wp-block-heading\">\u7b80\u5355\u56fe\u5f62\u7684\u60ef\u6027\u77e9\u516c\u5f0f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"2ffbf4232\">\u5728\u4e0b\u56fe\u4e2d\uff0c\u60a8\u53ef\u4ee5\u627e\u5230\u57fa\u672c\u7b80\u5355\u56fe\u5f62\u7684\u60ef\u6027\u77e9\u548c\u504f\u5dee\u77e9\u7684\u8ba1\u7b97\u516c\u5f0f\u3002\u8be5\u8868\u4e2d\u7684\u516c\u5f0f\u8db3\u4ee5\u89e3\u51b3\u590d\u6742\u56fe\u5f62\u7684\u95ee\u9898\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u8bf7\u6ce8\u610f\uff0c\u5bf9\u4e8e\u4e09\u89d2\u5f62\u548c\u5706\u7684\u8c61\u9650\uff0c\u504f\u5dee\u77e9\u7684\u7b26\u53f7\u53d6\u51b3\u4e8e\u56fe\u5f62\u76f8\u5bf9\u4e8e\u5750\u6807\u7cfb\u7684\u65b9\u5411<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"974\" height=\"653\" data-attachment-id=\"1410\" data-permalink=\"https:\/\/solveredu.com\/zh\/post\/momenty-bezwladnosci-figur-plaskich\/attachment\/1\/\" data-orig-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/1.jpg?fit=974%2C653&amp;ssl=1\" data-orig-size=\"974,653\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"1\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/1.jpg?fit=974%2C653&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/1.jpg?resize=974%2C653&#038;ssl=1\" alt=\"\u5e73\u9762\u56fe\u5f62\u7684\u60ef\u6027\u77e9, SolverEdu\" class=\"wp-image-1410\" style=\"width:620px;height:auto\" srcset=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/1.jpg?w=974&amp;ssl=1 974w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/1.jpg?resize=300%2C201&amp;ssl=1 300w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/1.jpg?resize=768%2C515&amp;ssl=1 768w\" sizes=\"auto, (max-width: 974px) 100vw, 974px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\" style=\"margin-top:0px;margin-bottom:0px\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"529\" data-attachment-id=\"1411\" data-permalink=\"https:\/\/solveredu.com\/zh\/post\/momenty-bezwladnosci-figur-plaskich\/attachment\/2\/\" data-orig-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/2.jpg?fit=1175%2C607&amp;ssl=1\" data-orig-size=\"1175,607\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"2\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/2.jpg?fit=1024%2C529&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/2.jpg?resize=1024%2C529&#038;ssl=1\" alt=\"\u5e73\u9762\u56fe\u5f62\u7684\u60ef\u6027\u77e9, SolverEdu\" class=\"wp-image-1411\" srcset=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/2.jpg?resize=1024%2C529&amp;ssl=1 1024w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/2.jpg?resize=300%2C155&amp;ssl=1 300w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/2.jpg?resize=768%2C397&amp;ssl=1 768w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/2.jpg?w=1175&amp;ssl=1 1175w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\" style=\"margin-top:0px;margin-bottom:0px\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"602\" data-attachment-id=\"1413\" data-permalink=\"https:\/\/solveredu.com\/zh\/post\/momenty-bezwladnosci-figur-plaskich\/attachment\/3\/\" data-orig-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/3.jpg?fit=1167%2C686&amp;ssl=1\" data-orig-size=\"1167,686\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"3\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/3.jpg?fit=1024%2C602&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/3.jpg?resize=1024%2C602&#038;ssl=1\" alt=\"\u5e73\u9762\u56fe\u5f62\u7684\u60ef\u6027\u77e9, SolverEdu\" class=\"wp-image-1413\" srcset=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/3.jpg?resize=1024%2C602&amp;ssl=1 1024w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/3.jpg?resize=300%2C176&amp;ssl=1 300w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/3.jpg?resize=768%2C451&amp;ssl=1 768w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/3.jpg?w=1167&amp;ssl=1 1167w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h3 id=\"81apa2588\" class=\"wp-block-heading\">\u60ef\u6027\u77e9\u8ba1\u7b97\u793a\u4f8b\u4efb\u52a1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"uwkvt12187\">\u4e0b\u56fe\u662f\u4e00\u4e2a\u7531\u6b63\u65b9\u5f62\u3001\u4e09\u89d2\u5f62\u548c\u526a\u5207\u5706\u7ec4\u6210\u7684\u56fe\u5f62\u3002\u6211\u4eec\u5c06\u8ba1\u7b97\u8fd9\u4e2a\u56fe\u5f62\u7684\u4e2d\u5fc3\u60ef\u6027\u77e9\u548c\u504f\u5dee\u77e9\u3002.<\/p>\n\n\n\n<figure style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.536), 20px);\" class=\"wp-block-table\"><table class=\"has-theme-5-background-color has-text-color has-background has-link-color has-fixed-layout\" style=\"color:#ffffff\"><tbody><tr><td>\u514d\u8d39\u8bd5\u7528 <a href=\"https:\/\/solveredu.com\/zh\/moment-of-inertia-calculator\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u60ef\u6027\u77e9\u8ba1\u7b97\u5668<\/a> \u60a8\u53ef\u4ee5\u521b\u5efa\u4efb\u4f55\u7531\u76f4\u7ebf\u56fe\u5f62\u7ec4\u6210\u7684\u56fe\u5f62\uff0c\u5e76\u786e\u5b9a\u5176\u91cd\u5fc3\u548c\u60ef\u6027\u77e9\u3002.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"976\" height=\"726\" data-attachment-id=\"1415\" data-permalink=\"https:\/\/solveredu.com\/zh\/post\/momenty-bezwladnosci-figur-plaskich\/przyklad1-3\/\" data-orig-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad1.jpg?fit=976%2C726&amp;ssl=1\" data-orig-size=\"976,726\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"przyklad1\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad1.jpg?fit=976%2C726&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad1.jpg?resize=976%2C726&#038;ssl=1\" alt=\"\u5e73\u9762\u56fe\u5f62\u7684\u60ef\u6027\u77e9, SolverEdu\" class=\"wp-image-1415\" srcset=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad1.jpg?w=976&amp;ssl=1 976w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad1.jpg?resize=300%2C223&amp;ssl=1 300w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad1.jpg?resize=768%2C571&amp;ssl=1 768w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad1.jpg?resize=200%2C150&amp;ssl=1 200w\" sizes=\"auto, (max-width: 976px) 100vw, 976px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"1y9nc10649\">\u4ee5\u4e0b\u662f\u5904\u7406\u6b64\u7c7b\u4efb\u52a1\u7684\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ol id=\"v244wjabgrpskm804585\" class=\"wp-block-list\">\n<li>\u5c06\u56fe\u5f62\u5212\u5206\u4e3a\u7b80\u5355\u56fe\u5f62\uff08\u77e9\u5f62\u3001\u4e09\u89d2\u5f62\u3001\u5706\u5f62......\uff09<\/li>\n\n\n\n<li>\u8ba1\u7b97\u8fd9\u4e9b\u7b80\u5355\u56fe\u5f62\u7684\u9762\u79ef\u548c\u91cd\u5fc3\u3002.<\/li>\n\n\n\n<li><a href=\"https:\/\/solveredu.com\/zh\/post\/center-of-gravity-centroid-of-plane-figures\/\">\u8ba1\u7b97\u6574\u4e2a\u56fe\u5f62\u7684\u91cd\u5fc3<\/a>.<\/li>\n\n\n\n<li>\u8ba1\u7b97\u6240\u6709\u7b80\u5355\u56fe\u5f62\uff08\u77e9\u5f62\u3001\u4e09\u89d2\u5f62\u3001\u5706\u5f62......\uff09\u7684\u4e2d\u5fc3\u60ef\u6027\u77e9\u548c\u504f\u5dee\u77e9\u65f6\uff0c\u8bf7\u4f7f\u7528 <a href=\"#p2w2c3474\"><u>\u56fe 3<\/u><\/a><\/li>\n\n\n\n<li>\u8ba1\u7b97\u6574\u4e2a\u56fe\u5f62\u7684\u4e2d\u5fc3\u60ef\u6027\u77e9\u548c\u504f\u5dee\u77e9\uff0c\u4f7f\u7528 <a href=\"https:\/\/solveredu.com\/zh\/post\/steiner-s-theorem\/\" target=\"_blank\" rel=\"noreferrer noopener\"><u>\u65af\u5766\u7eb3\u5b9a\u7406<\/u><\/a>.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"h3juz48123\">\u6839\u636e\u4e0a\u8ff0\u793a\u4f8b\u8bf4\u660e\uff0c\u6211\u4eec\u5c06\u56fe\u5f62\u5212\u5206\u4e3a\u7b80\u5355\u56fe\u5f62\uff1a<\/p>\n\n\n\n<ul id=\"pvetkjabgrpskm804590\" class=\"wp-block-list\">\n<li>A1 - \u56db\u53f6\u5f62\uff0cA2 - \u4e09\u89d2\u5f62\uff0cA3 - \u5706\u5f62\u3002.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"fhm9j67341\">\u6211\u4eec\u8ba1\u7b97\u56fe\u5f62\u7684\u9762\u79ef\u53ca\u5176\u91cd\u5fc3\uff1a<\/p>\n\n\n\n<ul id=\"30sd8jabgrpskm804594\" class=\"wp-block-list\">\n<li>x1,x2,x3 \u548c y1,y2,y3<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"2e7y066949\">\u7136\u540e\uff0c\u6211\u4eec\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u786e\u5b9a\u6574\u4e2a\u56fe\u5f62\u7684\u91cd\u5fc3 <a href=\"https:\/\/solveredu.com\/zh\/post\/%C5%9Brodek-ci%C4%99%C5%BCko%C5%9Bci-figur-p%C5%82askich\/\" rel=\"noreferrer noopener\" target=\"_blank\"><u>\u6761\u76ee<\/u><\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"738\" height=\"769\" data-attachment-id=\"1417\" data-permalink=\"https:\/\/solveredu.com\/zh\/post\/momenty-bezwladnosci-figur-plaskich\/przyklad2_bez-tekstu\/\" data-orig-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad2_bez-tekstu.jpg?fit=738%2C769&amp;ssl=1\" data-orig-size=\"738,769\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"przyklad2_bez tekstu\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad2_bez-tekstu.jpg?fit=738%2C769&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad2_bez-tekstu.jpg?resize=738%2C769&#038;ssl=1\" alt=\"\u5e73\u9762\u56fe\u5f62\u7684\u60ef\u6027\u77e9\u8ba1\u7b97\uff0cSolverEdu\" class=\"wp-image-1417\" srcset=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad2_bez-tekstu.jpg?w=738&amp;ssl=1 738w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad2_bez-tekstu.jpg?resize=288%2C300&amp;ssl=1 288w\" sizes=\"auto, (max-width: 738px) 100vw, 738px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"vt5ag12091\">\u8ba1\u7b97\u51fa\u56fe\u5f62\u7684\u91cd\u5fc3\u540e\uff0c\u6211\u4eec\u7ee7\u7eed\u8ba1\u7b97\u4e2d\u5fc3\u60ef\u6027\u77e9\u3002\u6211\u4eec\u4f7f\u7528 <a href=\"#p2w2c3474\"><u>\u56fe\u4e09<\/u><\/a> \u548c <a href=\"https:\/\/solveredu.com\/zh\/post\/steiner-s-theorem\/\" target=\"_blank\" rel=\"noreferrer noopener\"><u>\u65af\u5766\u7eb3\u5b9a\u7406<\/u><\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"466\" data-attachment-id=\"1418\" data-permalink=\"https:\/\/solveredu.com\/zh\/post\/momenty-bezwladnosci-figur-plaskich\/przyklad3_bez-tekstu\/\" data-orig-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad3_bez-tekstu.jpg?fit=1091%2C496&amp;ssl=1\" data-orig-size=\"1091,496\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"przyklad3_bez tekstu\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad3_bez-tekstu.jpg?fit=1024%2C466&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad3_bez-tekstu.jpg?resize=1024%2C466&#038;ssl=1\" alt=\"\u5e73\u9762\u56fe\u5f62\u7684\u60ef\u6027\u77e9\u8ba1\u7b97\uff0cSolverEdu\" class=\"wp-image-1418\" srcset=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad3_bez-tekstu.jpg?resize=1024%2C466&amp;ssl=1 1024w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad3_bez-tekstu.jpg?resize=300%2C136&amp;ssl=1 300w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad3_bez-tekstu.jpg?resize=768%2C349&amp;ssl=1 768w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad3_bez-tekstu.jpg?w=1091&amp;ssl=1 1091w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u8bf7\u6ce8\u610f\uff0c\u5728\u8ba1\u7b97\u60ef\u6027\u77e9\u65f6\uff0c\u5b9e\u5fc3\u56fe\u5f62\uff08\u793a\u4f8b\u4e2d\u7684\u6b63\u65b9\u5f62\u548c\u4e09\u89d2\u5f62\uff09\u662f\u76f8\u52a0\u7684\uff0c\u800c\u5207\u5272\u56fe\u5f62\uff08\u793a\u4f8b\u4e2d\u7684\u5706\u5f62\uff09\u662f\u76f8\u51cf\u7684\u3002.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u4e00\u6b65\uff0c\u6211\u4eec\u5c06\u8ba1\u7b97\u4e3b\u4e2d\u5fc3\u60ef\u6027\u77e9\u548c\u4e3b\u8f74\u65cb\u8f6c\u89d2\u5ea6\u3002\u672c\u4f8b\u7684\u4e00\u822c\u516c\u5f0f\u548c\u8ba1\u7b97\u65b9\u6cd5\u5982\u4e0b\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"223\" data-attachment-id=\"3124\" data-permalink=\"https:\/\/solveredu.com\/zh\/post\/momenty-bezwladnosci-figur-plaskich\/przyklad5\/\" data-orig-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad5.jpg?fit=1104%2C240&amp;ssl=1\" data-orig-size=\"1104,240\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"przyklad5\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad5.jpg?fit=1024%2C223&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad5.jpg?resize=1024%2C223&#038;ssl=1\" alt=\"\u4e3b\u4e2d\u5fc3\u60ef\u6027\u77e9\u3001\u4e2d\u5fc3\u89d2\u3001\u6c42\u89e3\u516c\u5f0f\" class=\"wp-image-3124\" srcset=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad5.jpg?resize=1024%2C223&amp;ssl=1 1024w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad5.jpg?resize=300%2C65&amp;ssl=1 300w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad5.jpg?resize=768%2C167&amp;ssl=1 768w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad5.jpg?resize=18%2C4&amp;ssl=1 18w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad5.jpg?w=1104&amp;ssl=1 1104w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"k8n4f102875\">\u6700\u540e\uff0c\u6211\u4eec\u7ed8\u5236\u51fa\u4e2d\u5fc3\u8f74\u7684\u56fe\u5f62\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"545\" height=\"776\" data-attachment-id=\"1419\" data-permalink=\"https:\/\/solveredu.com\/zh\/post\/momenty-bezwladnosci-figur-plaskich\/przyklad4\/\" data-orig-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad4.jpg?fit=545%2C776&amp;ssl=1\" data-orig-size=\"545,776\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"przyklad4\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad4.jpg?fit=545%2C776&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad4.jpg?resize=545%2C776&#038;ssl=1\" alt=\"\u5e73\u9762\u56fe\u5f62\u7684\u60ef\u6027\u77e9\u8ba1\u7b97\uff0cSolverEdu\" class=\"wp-image-1419\" srcset=\"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad4.jpg?w=545&amp;ssl=1 545w, https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/przyklad4.jpg?resize=211%2C300&amp;ssl=1 211w\" sizes=\"auto, (max-width: 545px) 100vw, 545px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u6458\u8981<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"q5kw096791\">\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e86\u4e0e\u5e73\u9762\u56fe\u5f62\u60ef\u6027\u77e9\u6709\u5173\u7684\u5173\u952e\u95ee\u9898\u3002\u6211\u4eec\u8ba8\u8bba\u4e86\u786e\u5b9a\u7b80\u5355\u548c\u590d\u6742\u56fe\u5f62\u60ef\u6027\u77e9\u548c\u504f\u5dee\u77e9\u7684\u57fa\u672c\u5b9a\u4e49\u548c\u5b9e\u7528\u65b9\u6cd5\u3002\u6211\u4eec\u5f3a\u8c03\u4e86\u65af\u5766\u7eb3\u5b9a\u7406\u5728\u8ba1\u7b97\u4e2d\u7684\u91cd\u8981\u4f5c\u7528\uff0c\u5b83\u5141\u8bb8\u4f7f\u7528\u4e2d\u5fc3\u503c\u548c\u91cd\u5fc3\u4e0e\u53c2\u8003\u8f74\u7684\u8ddd\u79bb\u91cd\u65b0\u8ba1\u7b97\u4efb\u610f\u8f74\u7684\u529b\u77e9\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5de5\u7a0b\u3001\u5efa\u7b51\u6216\u7ed3\u6784\u5206\u6790\u4e2d\uff0c\u4f7f\u7528\u73b0\u6210\u7684\u516c\u5f0f\u5e76\u5c06\u590d\u6742\u7684\u56fe\u5f62\u5206\u89e3\u4e3a\u8f83\u7b80\u5355\u7684\u5143\u7d20\u7684\u80fd\u529b\u662f\u975e\u5e38\u5b9d\u8d35\u7684\u3002\u6b63\u786e\u786e\u5b9a\u91cd\u5fc3\u5e76\u5e94\u7528\u9002\u5f53\u516c\u5f0f\u7684\u80fd\u529b\u53ef\u4ee5\u5927\u5927\u7b80\u5316\u8ba1\u7b97\uff0c\u907f\u514d\u9519\u8bef\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"q5kw096791\">\u8bf7\u8bb0\u4f4f\uff0c\u4efb\u4f55\u8d28\u91cf\u51e0\u4f55\u5b66\u95ee\u9898\u90fd\u53ef\u4ee5\u4e00\u6b65\u4e00\u6b65\u5730\u89e3\u51b3\uff1a\u4ece\u5206\u6790\u56fe\u5f62\uff0c\u5230\u5c06\u56fe\u5f62\u5212\u5206\u4e3a\u82e5\u5e72\u5143\u7d20\uff0c\u518d\u5230\u5c06\u8fd9\u4e9b\u5143\u7d20\u5bf9\u603b\u60ef\u6027\u77e9\u7684\u8d21\u732e\u76f8\u52a0\u3002\u6211\u9f13\u52b1\u4f60\u4f7f\u7528\u8ba1\u7b97\u5668\uff0c\u5e76\u5728\u89e3\u51b3\u95ee\u9898\u65f6\u8fd4\u56de\u672c\u535a\u6587\u3002\u5b66\u4e60\u60ef\u6027\u77e9\u662f\u8bb8\u591a\u6280\u672f\u9886\u57df\u7684\u575a\u5b9e\u57fa\u7840\uff01<\/p>","protected":false},"excerpt":{"rendered":"<p>W tym wpisie znajdziesz wzory na momenty bezw\u0142adno\u015bci figur p\u0142askich oraz jak stosowa\u0107 te wzory podczas obliczania momentu bezw\u0142adno\u015bci figur z\u0142o\u017conych z kilku figur prostych. Moment bezw\u0142adno\u015bci figur p\u0142askich wzgl\u0119dem osi (osiowy moment bezw\u0142adno\u015bci) Osiowym momentem bezw\u0142adno\u015bci figury nazywamy sum\u0119 iloczyn\u00f3w p\u00f3l elementarnych dA oraz kwadrat\u00f3w ich odleg\u0142o\u015bci od tej osi. Moment dewiacji wzgl\u0119dem uk\u0142adu [&hellip;]<\/p>\n","protected":false},"author":255930052,"featured_media":1410,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[14815],"tags":[14867,14868,14852],"class_list":["post-1405","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mechanika","tag-moment-bezwladnosci","tag-moment-dewiacji","tag-srodek-ciezkosci"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/solveredu.com\/wp-content\/uploads\/2024\/09\/1.jpg?fit=974%2C653&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/pg3flK-mF","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/solveredu.com\/zh\/wp-json\/wp\/v2\/posts\/1405","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/solveredu.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/solveredu.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/solveredu.com\/zh\/wp-json\/wp\/v2\/users\/255930052"}],"replies":[{"embeddable":true,"href":"https:\/\/solveredu.com\/zh\/wp-json\/wp\/v2\/comments?post=1405"}],"version-history":[{"count":17,"href":"https:\/\/solveredu.com\/zh\/wp-json\/wp\/v2\/posts\/1405\/revisions"}],"predecessor-version":[{"id":3126,"href":"https:\/\/solveredu.com\/zh\/wp-json\/wp\/v2\/posts\/1405\/revisions\/3126"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/solveredu.com\/zh\/wp-json\/wp\/v2\/media\/1410"}],"wp:attachment":[{"href":"https:\/\/solveredu.com\/zh\/wp-json\/wp\/v2\/media?parent=1405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/solveredu.com\/zh\/wp-json\/wp\/v2\/categories?post=1405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/solveredu.com\/zh\/wp-json\/wp\/v2\/tags?post=1405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}