{"id":27344,"date":"2000-01-11T14:46:37","date_gmt":"2000-01-11T06:46:37","guid":{"rendered":"http:\/\/www.qiusir.com\/?p=27344"},"modified":"2026-08-30T19:52:45","modified_gmt":"2026-08-30T11:52:45","slug":"11-%e7%a3%81%e5%9c%ba","status":"publish","type":"post","link":"https:\/\/www.qiusir.com\/?p=27344","title":{"rendered":"\u00a712.\u78c1\u573a"},"content":{"rendered":"<p><center><img decoding=\"async\" alt=\"\" src=\"http:\/\/www.qiusir.com\/wp-content\/gallery\/physics\/jpb.png\" width=\"580\" class=\"framed\" \/><\/center><br \/>\n<center><img decoding=\"async\" alt=\"\" src=\"https:\/\/www.qiusir.com\/wp-content\/gallery\/physics\/BField.jpg\" width=\"580\" class=\"framed\" \/><\/center><\/p>\n<p>\u914d\u901f\u6cd5\u603b\u7ed3<br \/>\n<center><img decoding=\"async\" alt=\"\" src=\"http:\/\/www.qiusir.com\/wp-content\/gallery\/physics\/gB.png\" width=\"580\" class=\"framed\" \/><\/center><br \/>\n\u91cd\u529b\uff08\u6216\u7535\u573a\u529b\uff09\u7684\u529f\u7387\u7b49\u95ee\u9898<\/p>\n<p>Bqx=mv_y(\u4ece\u52a8\u91cf\u89d2\u5ea6\u770b\u534a\u5f84\u63a8\u5bfc\uff0cBqr=mv or Bq2r=m2v)<\/p>\n<p>\u77e5\u8bc6\u5ef6\u957f\u7ebf<br \/>\n\u96fb\u6f3f\u7531\u5e36\u6709\u7b49\u91cf\u6b63\u96fb\u8377\u8207\u8ca0\u96fb\u8377\u7684\u7c92\u5b50\u6240\u7d44\u6210\uff0c\u5728\u6838\u878d\u5408\u6216\u662f\u570b\u9632\u5de5\u696d\u4e0a\uff0c\u90fd\u626e\u6f14\u6975\u91cd\u8981\u7684\u89d2\u8272\u3002\u4f46\u662f\u6211\u5011\u8a72\u62ff\u4ec0\u9ebc\u300c\u5bb9\u5668\u300d\u4f86\u88dd\u9ad8\u6eab\u7684\u96fb\u6f3f\u5462?\u7562\u7adf\u5728\u9019\u6a23\u7684\u9ad8\u6eab\u4e0b\uff0c\u9023\u539f\u5b50\u90fd\u6703\u89e3\u96e2\u4e86\u3002\u79d1\u5b78\u5bb6\u904b\u7528\u4e0d\u5747\u52fb\u78c1\u5834\u8a2d\u8a08\u300c\u78c1\u74f6\u300d\uff0c\u53ef\u4ee5\u5c07\u96fb\u6f3f\u5167\u7684\u5e36\u96fb\u7c92\u5b50\uff0c\u4fb7\u9650\u5728\u4e00\u5b9a\u7684\u7a7a\u9593\u7bc4\u570d\u5167\u3002\u5982\u5716\u6240\u793a\uff0c\u7531\u65bc\u78c1\u5834\u4e26\u975e\u5747\u52fb\u5206\u5e03\uff0c\u5e36\u96fb\u7c92\u5b50\u63a5\u8fd1\u78c1\u5834\u8f03 \u5f37\u5340\u57df\u6642\uff0c\u6240\u53d7\u78c1\u529b\u5728\u78c1\u5834\u5c0d\u7a31\u8ef8\u65b9\u5411\u4e0a\u7684\u5206\u91cf(\u5982\u4e0b\u5716\u4e2d\u7684 F1\/\/\u3001F3\/\/)\uff0c\u6703\u5c07\u7c92\u5b50 \u62c9\u56de\u78c1\u74f6\u7684\u4e2d\u592e\u5340\u57df\u3002\u5982\u6b64\u4e00\u4f86\uff0c\u5e36\u96fb\u7c92\u5b50\u6703\u4f5c\u5f80\u8fd4\u7684\u87ba\u65cb\u904b\u52d5\uff0c\u4e56\u4e56\u5730\u5f85\u5728\u78c1\u74f6\u4e2d\u4e86!<br \/>\n<center><img decoding=\"async\" alt=\"\" src=\"http:\/\/www.qiusir.com\/wp-content\/gallery\/physics\/twltwux4c24.png\" width=\"580\" class=\"framed\" \/><\/center><br \/>\n\u78c1\u901a\u91cf\u7684\u53d8\u5316\u4f1a\u5728\u7c92\u5b50\u7684\u65cb\u8f6c\u8f68\u9053\u4e0a\u4ea7\u751f\u4e00\u4e2a\u611f\u5e94\u7535\u573a\uff0c\u8fd9\u4e2a\u7535\u573a\u4f1a\u5bf9\u7c92\u5b50\u505a\u529f\uff0c\u6070\u597d\u589e\u52a0\u4e86\u7c92\u5b50\u7684\u6a2a\u5411\u52a8\u80fd<br \/>\n$\\mu = \\frac{E_{\\perp}}{B} = \\frac{\\frac{1}{2} m v_{\\perp}^2}{B}$<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u914d\u901f\u6cd5\u603b\u7ed3 \u91cd\u529b\uff08\u6216\u7535\u573a\u529b\uff09\u7684\u529f\u7387\u7b49\u95ee\u9898 Bqx=mv_y(\u4ece\u52a8\u91cf\u89d2\u5ea6\u770b\u534a\u5f84\u63a8\u5bfc\uff0cBqr=mv or Bq2r &#8230; 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