{"id":57022,"date":"2014-09-11T13:32:02","date_gmt":"2014-09-11T05:32:02","guid":{"rendered":"http:\/\/highscope.ch.ntu.edu.tw\/wordpress\/?p=57022"},"modified":"2021-10-06T16:15:16","modified_gmt":"2021-10-06T08:15:16","slug":"5%e5%80%8b%e5%a5%87%e5%a6%99%e7%9a%84%e7%a7%91%e5%ad%b8%e7%8f%be%e8%b1%a1","status":"publish","type":"post","link":"http:\/\/localhost\/5%e5%80%8b%e5%a5%87%e5%a6%99%e7%9a%84%e7%a7%91%e5%ad%b8%e7%8f%be%e8%b1%a1\/","title":{"rendered":"5\u500b\u5947\u5999\u7684\u79d1\u5b78\u73fe\u8c61"},"content":{"rendered":"<div class=\"pf-content\"><p><span style=\"color: #ff6600;\"><strong>5\u500b\u5947\u5999\u7684\u79d1\u5b78\u73fe\u8c61<\/strong><\/span><br \/>\n<span style=\"color: #008000;\"><strong>\u9ad8\u77bb\u8a08\u756b\u7279\u7d04\u7de8\u8b6f \u67ef\u5ef7\u9f8d\/\u570b\u7acb\u81fa\u7063\u5927\u5b78\u7269\u7406\u5b78\u7cfb\u738b\u540d\u5112\u6559\u6388\u8cac\u4efb\u7de8\u8f2f<\/strong><\/span><\/p>\n<p><span style=\"color: #333399;\"><strong>\u00a0<\/strong><\/span><\/p>\n<div id=\"attachment_57024\" style=\"width: 522px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/highscope.ch.ntu.edu.tw\/wordpress\/wp-content\/uploads\/2014\/09\/veritasium-explanations_0.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-57024\" class=\" wp-image-57024 \" alt=\"veritasium explanations_0\" src=\"http:\/\/highscope.ch.ntu.edu.tw\/wordpress\/wp-content\/uploads\/2014\/09\/veritasium-explanations_0.jpg\" width=\"512\" height=\"340\" srcset=\"http:\/\/localhost\/wp-content\/uploads\/2014\/09\/veritasium-explanations_0.jpg 640w, http:\/\/localhost\/wp-content\/uploads\/2014\/09\/veritasium-explanations_0-300x199.jpg 300w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/a><p id=\"caption-attachment-57024\" class=\"wp-caption-text\">photo credit: Veritasium<\/p><\/div>\n<p>\u5e7e\u500b\u661f\u671f\u524d\uff0c\u5728yoututbe \u4e0a\u7684 Veritasium Science \u79d1\u5b78\u983b\u9053\u4e0a\uff0c\u7ad9\u4e3b\u5225\u5177\u5320\u5fc3\u7684\u5206\u4eab\u4e865\u500b\u6709\u8da3\u7684\u79d1\u5b78\u73fe\u8c61\uff0c<br \/>\n\u672c\u6587\u70ba\u8a72\u5f71\u7247\u4e4b\u4e2d\u6587\u89e3\u6790\u3002<\/p>\n<p style=\"text-align: left;\">\u5728\u4ee5\u4e0b\u5f71\u7247\u4e2d\uff0c\u79d1\u5b78\u5bb6\u95e1\u91cb\u4e86\u5e7e\u500b\u7279\u5225\u7684\u7269\u7406\u73fe\u8c61\uff1a<\/p>\n<p><iframe loading=\"lazy\" src=\"\/\/www.youtube.com\/embed\/jIMihpDmBpY\" height=\"315\" width=\"560\" allowfullscreen=\"\" frameborder=\"0\"><\/iframe><br \/>\n<span style=\"color: #000080;\"><strong>\u3127\u3001\u88ab\u78c1\u68d2\u7d81\u67b6\u7684\u9ea5\u7247:<\/strong><\/span><\/p>\n<p>\u6f02\u5728\u6c34\u9762\u4e0a\u7684\u9ea5\u7247\u70ba\u4f55\u6703\u8ddf\u8457\u78c1\u68d2\u79fb\u52d5\u5462\uff1f\u6709\u5169\u500b\u539f\u56e0\uff1a<\/p>\n<p>1.\u5f71\u7247\u4e2d\u7684\u9ea5\u7247\u542b\u6709\u9435(Iron)\uff0c\u6709\u4e9b\u5e02\u9762\u4e0a\u6240\u8ce3\u4e00\u7897\u65e9\u9910\u5206\u91cf\u7684\u9ea5\u7247\u5176\u9435\u542b\u91cf\u9ad8\u9054\u6bcf\u65e5\u71df\u990a\u9700\u6c42\u768460%\uff0c\u6240\u4ee5\u6703\u88ab\u78c1\u9435\u5438\u5f15\u3002<\/p>\n<p>2.\u6c34\u5177\u6709\u53cd\u78c1\u6027(Diamagnetism)\uff0c\u7576\u6709\u78c1\u5834\u5f71\u97ff\u5230\u5b83\u6642\uff0c\u5b83\u6703\u7522\u751f\u76f8\u53cd\u78c1\u5834\uff0c\u4ea6\u5373\u8207\u5916\u52a0\u78c1\u5834\u4e92\u65a5\u3002\u6240\u4ee5\uff0c\u7576\u78c1\u68d2\u63a5\u8fd1\u6c34\u5e73\u9762\u6642\uff0c\u6703\u9020\u6210\u6c34\u5e73\u9762\u7684\u4e0b\u9677\uff0c\u4f7f\u5f97\u6f02\u6d6e\u7269\u8ddf\u8457\u79fb\u52d5\u3002<\/p>\n<p>\u4e0a\u8ff0\u5169\u9805\u4f5c\u7528\u76f8\u8f14\u76f8\u6210\uff0c\u4f7f\u5f97\u7576\u78c1\u68d2\u9760\u8fd1\u5728\u6c34\u4e0a\u6f02\u6d6e\u7684\u9ea5\u7247\u6642\uff0c\u9ea5\u7247\u6703\u300c\u60c5\u4e0d\u81ea\u7981\u300d\u7684\u8ddf\u8457\u78c1\u9435\u8d70\u3002<!--more--><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #000080;\"><strong>\u4e8c\u3001\u53ea\u8981\u7528\u5169\u96bb\u624b\u7684\u98df\u6307\u6490\u8d77\u6756\u985e\u7269\u54c1\uff0c\u4e26\u5f9e\u5176\u4efb\u610f\u9078\u53d6\u7684\u5169\u7aef\u8d77\u59cb\u4f4d\u7f6e\u540c\u6642\u5411\u4e2d\u9593\u9760\u9032\uff0c\u5c31\u53ef\u4ee5\u627e\u5230\u8a72\u7269\u9ad4\u7684\u8cea\u5fc3(Center of mass)\u3002<\/strong><\/span>\u89e3\u91cb\u5982\u4e0b\uff1a<\/p>\n<p>\u5047\u8a2d\u6709\u3127\u96bb\u624b\u6bd4\u8f03\u9760\u8fd1\u8cea\u5fc3\uff0c\u7576\u5169\u96bb\u624b\u540c\u6642\u5f80\u4e2d\u9593\u79fb\u52d5\u6642\uff0c\u6bd4\u8f03\u9760\u8fd1\u8cea\u5fc3\u7684\u90a3\u96bb\u624b\u6703\u627f\u53d7\u8f03\u5927\u7684\u7269\u9ad4\u91cd\u529b\uff0c\u6545\u5176\u6700\u5927\u975c\u6469\u64e6\u529b\u8f03\u5927\uff0c\u800c\u53e6\u3127\u96bb\u624b\u7684\u6469\u64e6\u529b\u8f03\u5c0f\uff0c\u6240\u4ee5\u5f8c\u8005\u6703\u5148\u5411\u4e2d\u5fc3\u79fb\u52d5\uff0c\u76f4\u5230\u5169\u96bb\u624b\u8207\u8cea\u5fc3\u7684\u8ddd\u96e2\u76f8\u4eff\u3002\u5230\u6700\u5f8c\uff0c\u5169\u96bb\u624b\u6703\u56e0\u70ba\u4e0a\u8ff0\u7684\u73fe\u8c61\u4e0d\u65b7\u4e92\u76f8\u8abf\u6574\u76f4\u5230\u5b83\u5011\u96d9\u96d9\u62b5\u9054\u8cea\u5fc3\u7684\u4f4d\u7f6e\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #000080;\"><strong>\u4e09\u3001\u7576\u4f60\u5411\u4e0a\u7529\u624b\u6a5f\u6642\uff0c\u4e0d\u898b\u5f97\u80fd\u7a69\u5b9a\u5730\u8f49\u52d5\uff1a<\/strong><\/span><\/p>\n<p>\u600e\u9ebc\u8aaa\u5462\uff1f \u624b\u6a5f\u6709\u4e09\u500b\u65cb\u8f49\u4e3b\u8ef8(Principle Axis)\uff1a\u9577\u8ef8(Major Axis) \u3001\u77ed\u8ef8(Minor Axis)\u548c\u5c45\u9593\u8ef8 (Intermediate Axis)\u3002<\/p>\n<p>\u7e5e\u8457\u9577\u8ef8\u8f49\u6709\u6700\u5927\u7684\u8f49\u52d5\u6163\u91cf(Moment of Inertia)\uff0c\u4e5f\u5c31\u662f\u8aaa\uff0c\u8981\u8b93\u5b83\u8f49\u52d5\u6700\u56f0\u96e3\uff1b\u800c\u77ed\u8ef8\u5247\u5b8c\u5168\u76f8\u53cd\uff0c\u7528\u8f03\u5c0f\u7684\u529b\u77e9\u5c31\u53ef\u4ee5\u8b93\u5b83\u9054\u5230\u56fa\u5b9a\u7684\u65cb\u8f49\u52a0\u901f\u5ea6\u3002\u53e6\u5916\uff0c\u9867\u540d\u601d\u7fa9\uff0c\u5c0d\u61c9\u5c45\u9593\u8ef8\u7684\u8f49\u52d5\u6163\u91cf\u5c31\u5728\u524d\u5169\u8005\u4e4b\u9593\u3002<\/p>\n<p>\u5c45\u9593\u8ef8\u5b9a\u7406(Intermediate Axis Theorem)\u544a\u8a34\u6211\u5011\u7576\u4f60\u5617\u8a66\u4ee5\u624b\u6a5f\u7684\u5c45\u9593\u8ef8\u8f49\u52d5\u6642\uff0c\u5b83\u7121\u6cd5\u4fdd\u6301\u56fa\u5b9a\u65b9\u5411\uff0c\u800c\u6703\u5411\u5176\u4ed6\u65b9\u5411\u7ffb\u8f49\u3002\u63a8\u5c0e\u6b64\u5b9a\u7406\u7684\u6578\u5b78\u7b97\u5f0f\u5f88\u8907\u96dc\uff0c\u7c21\u800c\u8a00\u4e4b\uff0c\u7576\u4f60\u4ee5\u624b\u6a5f\u7684\u9577\u8ef8\u6216\u77ed\u8ef8\u8f49\u52d5\u624b\u6a5f\u6642\uff0c\u5176\u8f49\u52d5\u662f\u7a69\u5b9a\u7684\uff1b\u5c31\u597d\u50cf\u5728\u7a7a\u4e2d\u5782\u540a\u624b\u6756\uff08\u898b\u5f71\u7247\uff09\uff0c\u5982\u679c\u4f60\u7a0d\u7a0d\u63a8\u5f04\u5b83\uff0c\u624b\u6756\u90fd\u6703\u64fa\u56de\u5230\u539f\u4f86\u7684\u5730\u65b9\u3002\u4f46\u662f\u7576\u4f60\u662f\u4ee5\u5c45\u9593\u8ef8\u4f7f\u624b\u6a5f\u65cb\u8f49\u6642\uff0c\u5c31\u597d\u6bd4\u662f\u5c07\u624b\u6756\u8c4e\u76f4\u653e\u5728\u624b\u638c\u4e0a\u4e26\u4f7f\u5176\u5e73\u8861\u4e00\u6a23\uff0c\u4efb\u4f55\u3127\u500b\u5f9e\u65c1\u800c\u4f86\u7684\u64fe\u52d5\u90fd\u6709\u53ef\u80fd\u4f7f\u624b\u6756\u5012\u4e0b\uff0c\u4ea6\u5373\u6b64\u72c0\u614b\u662f\u4e0d\u7a69\u5b9a\u7684\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #000080;\"><strong>\u56db\u3001\u5e36\u96fb\u7684\u7269\u9ad4\u6703\u4f7f\u6c34\u6d41\u6539\u8b8a\u65b9\u5411\uff1a<\/strong><\/span><\/p>\n<p>\u3127\u822c\u7684\u4eba\u6703\u8a8d\u70ba\u9019\u7a2e\u72c0\u6cc1\u6703\u767c\u751f\u662f\u56e0\u70ba\u6c34\u662f\u6975\u6027\u5206\u5b50(Polar Molecule)\uff0c\u4f46\u662f\u6b64\u8ad6\u9ede\u4e26\u4e0d\u5b8c\u5168\u6b63\u78ba\u3002\u4e8b\u5be6\u4e0a\uff0c\u6eb6\u65bc\u6c34\u4e2d\u7684\u96e2\u5b50(Ion)\u624d\u662f\u7f6a\u9b41\u798d\u9996\uff0c\u7576\u4f60\u62ff\u3127\u500b\u5e36\u6709\u8ca0\u96fb\u7684\u676f\u5b50\u9760\u8fd1\u6c34\u9f8d\u982d\u4e0b\u65b9\u7684\u6c34\u6d41\u6642\uff0c\u5b83\u6703\u6392\u65a5\u6c34\u4e2d\u7684\u8ca0\u96e2\u5b50\uff0c\u8b93\u5b83\u5011\u5f80\u4e0a\u8dd1\uff0c\u6b64\u6642\uff0c\u6d41\u4e0b\u4f86\u7684\u6c34\u6703\u5e36\u6709\u6b63\u96fb\u8377\u3002\u5f9e\u6c34\u6d41\u4e2d\u5206\u51fa\u4f86\u7684\u6c34\u6ef4\u4e5f\u90fd\u5e36\u6709\u6b63\u96fb\u8377\uff0c\u5b83\u5011\u6703\u88ab\u5e36\u6709\u8ca0\u96fb\u7684\u676f\u5b50\u5438\u5f15\uff0c\u9020\u6210\u6c34\u7684\u8f49\u5411\u3002\u4ee5\u4efb\u4f55\u5e36\u6709\u96e2\u5b50\u7684\u6db2\u9ad4\u53d6\u4ee3\u6c34\uff0c\u90fd\u53ef\u4ee5\u770b\u5230\u76f8\u540c\u7684\u73fe\u8c61\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #000080;\"><strong>\u4e94\u3001\u7576\u6211\u5011\u5f9e\u4e0a\u800c\u4e0b\u71c3\u71d2\u7a7a\u8336\u5305\uff0c\u5b83\u7684\u7070\u71fc\u6703\u8d77\u98db\uff1a<\/strong><\/span><\/p>\n<p>\u7576\u8336\u5305\u7531\u4e0a\u800c\u4e0b\u71c3\u71d2\u6642\uff0c\u88e1\u9762\u7684\u7a7a\u6c23\u8b8a\u71b1\u4e26\u958b\u59cb\u81a8\u8139\uff0c\u5b83\u7684\u5bc6\u5ea6\u8b8a\u4f4e\uff0c\u800c\u65c1\u908a\u5bc6\u5ea6\u8f03\u9ad8\u7684\u51b7\u7a7a\u6c23\u5c31\u6703\u628a\u5b83\u5f80\u4e0a\u63a8\uff0c\u8b93\u8336\u5305\u7684\u7070\u71fc\u98db\u8d77\u4f86\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>5\u500b\u5947\u5999\u7684\u79d1\u5b78\u73fe\u8c61 \u9ad8\u77bb\u8a08\u756b\u7279\u7d04\u7de8\u8b6f \u67ef\u5ef7\u9f8d\/\u570b\u7acb\u81fa\u7063\u5927\u5b78\u7269\u7406\u5b78\u7cfb\u738b\u540d\u5112\u6559\u6388\u8cac\u4efb\u7de8\u8f2f \u00a0 \u5e7e\u500b\u661f\u671f\u524d\uff0c\u5728you&hellip;<\/p>\n","protected":false},"author":50,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4674,107,5930],"tags":[7108,7109,7110,4265],"class_list":["post-57022","post","type-post","status-publish","format-standard","hentry","category-4674","category-physics00","category-5930","tag-7108","tag-7109","tag-7110","tag-4265","loop-entry","cat-4674","cat-107","cat-5930","no-thumbnail"],"views":9576,"_links":{"self":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/57022","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/users\/50"}],"replies":[{"embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/comments?post=57022"}],"version-history":[{"count":1,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/57022\/revisions"}],"predecessor-version":[{"id":86891,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/57022\/revisions\/86891"}],"wp:attachment":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/media?parent=57022"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/categories?post=57022"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/tags?post=57022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}