{"id":1406,"date":"2000-01-02T00:15:31","date_gmt":"2000-01-01T16:15:31","guid":{"rendered":"http:\/\/www.qiusir.cn\/archives\/1406"},"modified":"2026-05-25T07:46:50","modified_gmt":"2026-05-24T23:46:50","slug":"1%e3%80%81%e8%bf%90%e5%8a%a8%e7%9a%84%e6%8f%8f%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/www.qiusir.com\/?p=1406","title":{"rendered":"\u00a701-1.\u8fd0\u52a8\u5b66"},"content":{"rendered":"

\u79d1\u5b66\uff0c\u62c9\u4e01\u6587scientia \u77e5\u8bc6\uff08\u7269\u7406\u662f\u81ea\u7136\uff09
\n\u4e00\u79cd\u79d1\u5b66\u7406\u8bba\u6709\u6570\u636e\u652f\u6301\uff0c\u4f46\u5e76\u4e0d\u610f\u5473\u7740\u8be5\u79d1\u5b66\u7406\u8bba\u6c38\u8fdc\u4e0d\u53d8\u3002\u5f53\u65b0\u7684\u6570\u636e\u51fa\u73b0\u5c31\u4f1a\u5bf9\u7406\u8bba\u505a\u51fa\u63a8\u6572\u548c\u4fee\u6b63\u3002
\n\u79d1\u5b66\u5b9a\u5f8b\u544a\u8bc9\u4f60\u5728\u4ec0\u4e48\u6761\u4ef6\u4e0b\u53d1\u751f\u4ec0\u4e48\u4e8b\u60c5\uff0c\u4f46\u4e0d\u4f1a\u89e3\u91ca\u4e3a\u4ec0\u4e48\u4f1a\u53d1\u751f\u548c\u5982\u4f55\u53d1\u751f\u3002
\n\u53f3\u624b\u5750\u6807\u7cfb\uff0c\u53f3\u624b\u7684\u62c7\u6307\u3001\u98df\u6307\u548c\u4e2d\u6307\u5206\u522b\u6307\u5411x\u3001y\u3001z\u8f74\u7684\u65b9\u5411\u3002
\n\"2024\"
\n\u683c\u91cc\u9ad8\u5229\u5e74\u4e0e\u56de\u5f52\u5e74\u76f8\u5dee3\/10000\u5929\uff0c\u4e0d\u5b58\u57280\u5e74\uff0c1BC\u4e4b\u540e\u5c31\u662f1AC
\n\u5f27\u5ea6\u4e3a\u56fd\u9645\u5355\u4f4d\u7684\u8f85\u52a9\u5355\u4f4d\uff0c1rad=1m\/m
\n$\\overline{v}=\\frac{x(t_1+\\Delta t)-x(t_1)}{(t_1+\\Delta t)-t_1}=\\frac{\\Delta x}{\\Delta t} $
\n$v=\\frac{dx}{dt}=\\dot{x}$
\n$x(t_2)=x(t_1)+\\int_{t_1}^{t_2}v(t)dt$
\n$v(t_2)=v(t_1)+\\int_{t_1}^{t_2}a(t)dt$
\n\u5982\u679c\u5e73\u5747\u901f\u901f\u662f0m\/s\uff0c\u4eba\u4eec\u5e76\u4e0d\u80fd\u7531\u6b64\u65ad\u5b9a\u5b83\u6ca1\u6709\u53d1\u751f\u8fd0\u52a8\u3002
\n\u7269\u7406\u7cfb\u7edf\u4e2d\u7684\u81ea\u7531\u5ea6\uff0c\u6307\u72b6\u6001\u7a7a\u95f4\u7684\u7ef4\u6570\uff0c\u4e5f\u5c31\u662f\u4e3a\u53bb\u9876\u7269\u4f53\uff08\u8fd0\u52a8\uff09\u72b6\u6001\u6240\u9700\u7684\u6570\u503c\u7684\u4e2a\u6570\u3002
\n\u4e09\u7ef4\u7a7a\u95f4\u4e2d\u8d28\u70b9\u6709\u4e09\u4e2a\u81ea\u7531\u5ea6\uff0c\u5373\u4e09\u4e2a\u4e0d\u540c\u65b9\u5411\u7684\u8fd0\u52a8\u3002\u5982\u679c\u53ea\u5bb9\u8bb8\u4ed6\u5728\u7403\u9762\u4e0a\u8fd0\u52a8\uff0c\u81ea\u7531\u5ea6\u5c06\u5c11\u4e00\u4e2a\uff0c\u5982\u679c\u9650\u5236\u4ed6\u53ea\u5728\u8f68\u9053\u4e0a\u8fd0\u52a8\uff0c\u81ea\u7531\u5ea6\u53ea\u5269\u4e0b\u4e00\u4e2a\u3002\u521a\u4f53\u53ef\u4ee5\u6709\u989d\u5916\u7684\u8f6c\u52a8\u8fd0\u52a8\uff0c\u56e0\u6b64\u901a\u5e38\u6709\u4e09\u4e2a\u989d\u5916\u7684\u81ea\u7531\u5ea6\u3002<\/p>\n

\u4f4d\u7f6e\u77e2\u91cfx\uff0c\u4f4d\u7f6e\u51fd\u6570x(y) $x=\\begin{pmatrix} x\\\\ y\\\\z\\end{pmatrix}$\u7b1b\u5361\u5c14\u5750\u6807\u7cfb\u4e2d\uff0c$r(t)=\\begin{pmatrix} x(t)\\\\ y(t)\\\\z(t)\\end{pmatrix}$
\n\u5e73\u9762\u7684\u5300\u901f\u5706\u5468\u8fd0\u52a8$r(t)=\\begin{pmatrix} rcos(\\omega t)\\\\ rsin(\\omega t)\\\\0\\end{pmatrix}$\uff0c$v(t)=\\begin{pmatrix} -r\\omega sin(\\omega t)\\\\ r\\omega cos(\\omega t)\\\\0\\end{pmatrix}$
\n$a(t)=\\frac{d}{dt}\\begin{pmatrix} -r\\omega sin(\\omega t)\\\\ r\\omega cos(\\omega t)\\\\0\\end{pmatrix}=\\begin{pmatrix} -r\\omega^2 cos(\\omega t)\\\\ -r\\omega^2 sin(\\omega t)\\\\0\\end{pmatrix}=-r\\omega^2 r(t)$
\n\u4e9a\u91cc\u58eb\u591a\u5fb7\u63d0\u51fa\uff0c\u7269\u4f53\u4e0b\u843d\u662f\u4e3a\u4e86\u5bfb\u627e\u5b83\u4eec\u7684\u81ea\u7136\u4f4d\u7f6e\u3002\u7269\u4f53\u8d28\u91cf\u8d8a\u5927\uff0c\u4e0b\u843d\u8d8a\u5feb\u3002
\n\u4f3d\u5229\u7565\u8bc1\u660e\u4e86\u7269\u4f53\u4e0b\u843d\u7684\u901f\u5ea6\u53d6\u51b3\u4e8e\u4e0b\u843d\u65f6\u95f4\u7684\u957f\u77ed\uff0c\u800c\u4e0e\u5176\u8d28\u91cf\u65e0\u5173\u3002
\n\u725b\u987f\u63d0\u51fa\uff0c\u7269\u4f53\u4e4b\u6240\u4ee5\u4f1a\u4e0b\u843d\uff0c\u662f\u56e0\u4e3a\u5b83\u548c\u5730\u7403\u4e4b\u95f4\u5b58\u5728\u5f15\u529b\u3002\u725b\u987f\u8fd8\u8ba4\u4e3a\uff0c\u4efb\u4f55\u4e24\u4e2a\u6709\u8d28\u91cf\u7684\u7269\u4f53\u90fd\u5b58\u5728\u5f15\u529b\u3002
\n\u7231\u56e0\u65af\u5766\u6307\u51fa\u4e24\u4e2a\u7269\u4f53\u95f4\u5b58\u5728\u5f15\u529b\u7684\u539f\u56e0\u662f\u5b83\u4eec\u5fb7\u6587\u8d28\u91cf\u4f7f\u5468\u56f4\u7684\u7a7a\u95f4\u53d1\u751f\u4e86\u5f2f\u66f2\u3002
\nparallel \u5e73\u884c\u81ea\u5e26\u8303\u4f8b
\nsignificant figures \u6709\u6548\u6570\u5b57 \u4efb\u4f55\u6d4b\u91cf\u503c\u7684\u6700\u540e\u4e00\u4f4d\u6570\u5b57\u90fd\u662f\u4f30\u6d4b\u503c\uff0c\u800c\u6d4b\u91cf\u503c\u4e2d\u7684\u6240\u6709\u975e\u96f6\u6570\u5b57\u90fd\u662f\u6709\u6548\u7684\u3002<\/p>\n

\u201c\u5367\u770b\u6ee1\u5929\u4e91\u4e0d\u52a8\uff0c\u4e0d\u77e5\u4e91\u4e0e\u6211\u4ff1\u4e1c\u3002\u201d<\/p>\n

\u5173\u4e8e\u901f\u5ea6\u662f\u4f4d\u7f6e\u7684\u53d8\u5316\u5feb\u6162\uff0c\u800c\u4e0d\u662f\u4f4d\u79fb\u53d8\u5316\u5feb\u6162\uff1f<\/p><\/blockquote>\n

\u4f4d\u7f6e\uff08Position\uff09\u662f\u4e00\u4e2a\u72b6\u6001\u91cf\u3002\u5b83\u5bf9\u5e94\u7684\u662f\u7a7a\u95f4\u4e2d\u7684\u4e00\u4e2a\u201c\u70b9\u201d\uff1b\u4f4d\u79fb\uff08Displacement\uff09\u662f\u4e00\u4e2a\u8fc7\u7a0b\u91cf\u3002\u5b83\u662f\u4f4d\u7f6e\u7684\u53d8\u5316\u91cf\u0394x\uff0c\u5bf9\u5e94\u7684\u662f\u4e00\u4e2a\u201c\u7ebf\u6bb5\u201d\u3002\u901f\u5ea6\u7684\u672c\u8d28\u662f\u63cf\u8ff0\u7269\u4f53\u5728\u67d0\u4e00\u77ac\u95f4\uff08\u6216\u6781\u77ed\u65f6\u95f4\uff09\u7684\u72b6\u6001\u53d8\u5316\u5feb\u6162\u3002\u5982\u679c\u8bf4\u901f\u5ea6\u662f\u201c\u4f4d\u79fb\u7684\u53d8\u5316\u5feb\u6162\u201d\uff0c\u5728\u903b\u8f91\u4e0a\u5c31\u4f1a\u51fa\u73b0\u201c\u53d8\u5316\u7684\u7684\u53d8\u5316\u201d\u3002<\/p>\n

\u77e2\u91cf\u7684\u589e\u91cf\uff0c\u53d8\u5316\u91cf\uff0c\u4e09\u89d2\u5f62\u6cd5\u5219
\n\u4f4d\u7f6e\u77e2\u91cf\uff0c\u4f4d\u79fb\u4e0e\u4f4d\u7f6e\u77e2\u91cf\u7684\u53d8\u5316\u7684\u5173\u7cfb\u3002<\/p>\n

s-t\u56fe\u50cf\u4e0ev-t\u56fe\u50cf\u4e2d\uff0c\u66f2\u7ebf\u4e0a\u67d0\u70b9\u5207\u7ebf\u7684\u659c\u7387\u5bf9\u5e94\u77ac\u65f6\u901f\u5ea6\uff0c\u4e0e\u77ac\u65f6\u52a0\u901f\u5ea6\uff0c\u800c\u6b64\u70b9\u4e0e\u539f\u70b9\u8fde\u7ebf\u659c\u7387\u5bf9\u5e94\u7684\u5219\u662f\u5e73\u5747\u901f\u5ea6\u548c\u5e73\u5747\u52a0\u901f\u5ea6\u7684\u6982\u5ff5\u3002
\n\u4f46\u5728U-I\u56fe\u50cf\u4e2d\uff0c\u67d0\u70b9\u4e0e\u539f\u70b9\u8fde\u7ebf\u659c\u7387\u5bf9\u5e94\u7535\u963bR\uff0c\u4f46\u66f2\u7ebf\u5207\u7ebf\u659c\u7387\u5e76\u65e0\u5177\u4f53\u7269\u7406\u7684\u542b\u4e49\u3002<\/p>\n

\u5e73\u5747\u901f\u5ea6\uff0c\u5e73\u5747\u901f\u7387\u7684\u5927\u5c0f\u591a\u4e0d\u540c\u3002<\/p>\n

\u5149\u7535\u95e8\uff0c\u5e73\u5747\u901f\u5ea6<\/p>\n

\u5300\u901f\u8fd0\u52a8\u7684\u5b9a\u4e49\u662f\u201c\u4efb\u610f\u76f8\u7b49\u65f6\u95f4\u5185\u901a\u8fc7\u7684\u4f4d\u79fb\u76f8\u540c\u3002\u201d<\/p>\n

\"2024\"<\/p>\n

\"\"<\/center><\/p>\n","protected":false},"excerpt":{"rendered":"

\u79d1\u5b66\uff0c\u62c9\u4e01\u6587scientia \u77e5\u8bc6\uff08\u7269\u7406\u662f\u81ea\u7136\uff09 \u4e00\u79cd\u79d1\u5b66\u7406\u8bba\u6709\u6570\u636e\u652f\u6301\uff0c\u4f46\u5e76\u4e0d\u610f\u5473\u7740\u8be5\u79d1\u5b66\u7406\u8bba\u6c38\u8fdc\u4e0d\u53d8\u3002\u5f53\u65b0 … \u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[5],"tags":[397,247,263],"class_list":["post-1406","post","type-post","status-publish","format-standard","hentry","category-physics","tag-g1","tag-physics","tag-teach"],"_links":{"self":[{"href":"https:\/\/www.qiusir.com\/index.php?rest_route=\/wp\/v2\/posts\/1406","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qiusir.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.qiusir.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.qiusir.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qiusir.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1406"}],"version-history":[{"count":5,"href":"https:\/\/www.qiusir.com\/index.php?rest_route=\/wp\/v2\/posts\/1406\/revisions"}],"predecessor-version":[{"id":48081,"href":"https:\/\/www.qiusir.com\/index.php?rest_route=\/wp\/v2\/posts\/1406\/revisions\/48081"}],"wp:attachment":[{"href":"https:\/\/www.qiusir.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.qiusir.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.qiusir.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}