引力质量计算公式 光子的引力质量怎么算呀？
\u571f\u65b9\u91cf\u8ba1\u7b97\u516c\u5f0f\uff1f\u571f\u65b9\u91cf\u8ba1\u7b97\u5305\u62ec\u586b\u3001\u6316\u571f\u65b9\u91cf\u7684\u603b\u548c\u3002\u571f\u65b9\u91cf\u662f\u571f\u65b9\u5de5\u7a0b\u65bd\u5de5\u7ec4\u7ec7\u8bbe\u8ba1\u7684\u4e3b\u8981\u6570\u636e\u4e4b\u4e00\uff0c\u662f\u91c7\u7528\u4eba\u5de5\u6316\u6398\u65f6\u7ec4\u7ec7\u52b3\u52a8\u529b\u6216\u91c7\u7528\u673a\u68b0\u65bd\u5de5\u65f6\u8ba1\u7b97\u673a\u68b0\u53f0\u73ed\u548c\u5de5\u671f\u7684\u4f9d\u636e\u3002\u571f\u65b9\u91cf\u7684\u8ba1\u7b97\u8981\u5c3d\u91cf\u51c6\u786e\u3002\u571f\u65b9\u91cf\u8ba1\u7b97\u5305\u62ec\u586b\u3001\u6316\u571f\u65b9\u91cf\u7684\u603b\u548c\u3002\u571f\u65b9\u91cf\u8ba1\u7b97\u65b9\u6cd5\u662f\uff1a\u4ee5\u76f8\u90bb\u4e24\u4e2a\u6a2a\u65ad\u9762\u4e4b\u95f4\u8ddd\u4e3a\u8ba1\u7b97\u5355\u4f4d\uff0c\u5373\u5206\u522b\u6c42\u51fa\u76f8\u90bb\u4e24\u4e2a\u6a2a\u65ad\u9762\u4e0a\u8def\u57fa\u7684\u9762\u79ef\u548c\u4e24\u6a2a\u65ad\u9762\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002\u571f\u65b9\u91cf\u7684\u8ba1\u7b97\u662f\u5de5\u7a0b\u65bd\u5de5\u7684\u4e00\u4e2a\u91cd\u8981\u6b65\u9aa4\u3002\u5de5\u7a0b\u8bbe\u8ba1\u9636\u6bb5\u5fc5\u987b\u5bf9\u571f\u77f3\u65b9\u91cf\u8fdb\u884c\u9884\u7b97\uff0c\u5b83\u76f4\u63a5\u5173\u7cfb\u5230\u5de5\u7a0b\u7684\u8d39\u7528\u6982\u7b97\u53ca\u65b9\u6848\u9009\u4f18\u3002
\u6309\u7167\u7231\u56e0\u65af\u5766\u7684\u72ed\u4e49\u76f8\u5bf9\u8bba\uff0c\u5149\u5b50\u7684\u76f8\u5bf9\u9759\u6b62\u8d28\u91cf\u7b49\u4e8e\u96f6\u3002\u5426\u5219\uff0c\u7231\u56e0\u65af\u5766\u7684\u8d28\u80fd\u5173\u7cfb\u5f0f\u5c06\u4f1a\u5bfc\u51fa\u5149\u5b50\u5177\u6709\u65e0\u7a77\u5927\u7684\u76f8\u5bf9\u9759\u6b62\u80fd\u91cf\u7684\u7406\u8bba\u7ed3\u679c\u3002\u4e0d\u4ec5\u5982\u6b64\uff0c\u800c\u4e14\u73b0\u6709\u7684\u7269\u7406\u5b9e\u9a8c\u4e5f\u786e\u5b9e\u6ca1\u6709\u53d1\u73b0\u5149\u5b50\u5177\u6709\u4efb\u4f55\u76f8\u5bf9\u9759\u6b62\u7684\u8d28\u91cf\u3002\u6240\u4ee5\uff0c\u5149\u5b50\u6ca1\u6709\u9759\u6b62\u8d28\u91cf\u7684\u7ed3\u8bba\u4f3c\u4e4e\u5df2\u7ecf\u6210\u4e3a\u516c\u8ba4\u7684\u4e8b\u5b9e\u3002\u4f46\u662f\uff0c\u4ece\u54f2\u5b66\u89c2\u5ff5\u4e0a\u6765\u8bf4\uff0c\u65e2\u7136\u5149\u5b50\u4e5f\u662f\u7269\u8d28\uff0c\u5b83\u5c31\u5e94\u5f53\u5177\u6709\u7269\u8d28\u7684\u5171\u6027(\u666e\u904d\u6027)\u3002\u65e2\u7136\u5728\u7269\u8d28\u7684\u5171\u6027\u4e4b\u4e2d\u5305\u62ec\u7740\u9759\u6b62\u8d28\u91cf\u548c\u80fd\u91cf\u4e24\u4e2a\u90e8\u5206\uff0c\u90a3\u672b\u5149\u5b50\u4e5f\u5c31\u6ca1\u6709\u4efb\u4f55\u7406\u7531\u662f\u4e00\u4e2a\u4f8b\u5916\u3002\u5173\u4e8e\u8fd9\u4e00\u89c2\u70b9\uff0c\u5728\u5e7f\u4e49\u65f6\u7a7a\u76f8\u5bf9\u8bba\u4e2d\uff0c\u6211\u4eec\u5f97\u5230\u4e86\u6709\u529b\u5730\u8bc1\u660e\u3002
\u4e8c \u5149\u5b50\u9759\u6b62\u8d28\u91cf\u7684\u8ba1\u7b97\u516c\u5f0f
\u7531\u5e7f\u4e49\u65f6\u7a7a\u76f8\u5bf9\u8bba\u7684\u8d28\u80fd\u5173\u7cfb\u5f0f
E = mc (c2 +\u03c52 )1/2 (1)
\u53ef\u4ee5\u770b\u5230\uff0c\u5f53\u7edd\u5bf9\u901f\u5ea6\u03c5= c\u65f6\uff0c\u5219\u6709\uff1a
E = m0c2 (2)
\u6839\u636e\u5149\u5b50\u80fd\u91cf\u7684\u516c\u5f0fE = \u03c9\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u5230\u5149\u5b50\u201c\u76f8\u5bf9\u9759\u6b62\u8d28\u91cf\u201d\u7684\u8868\u8fbe\u5f0f\u4e3a\uff1a
m0 = \u03c9/( c2) (3)
\u5f0f\u4e2d\uff0c\u4e3a\u666e\u6717\u514b\uff08Planck\uff09\u5e38\u6570\uff08 = 6.6253 x 10-27 egr\u00b7s\uff09\uff0c\u03c9\u662f\u5149\u6ce2\u9891\u7387\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u4ee4\uff1a\u03b7 = /( c2)\uff0c\u5219\u4e0a\u5f0f\u53ef\u6539\u5199\u6210\uff1a
m0 =\u03b7\u03c9 (4)
\u5176\u4e2d\uff0c\u03b7\u662f\u4e00\u4e2a\u56fa\u5b9a\u7684\u5e38\u6570\uff0c\u7ecf\u8ba1\u7b97\u5f97\uff1a\u03b7=5.2123 x 10-48 g\u00b7s\uff1b\u800c\u03c9\u5c31\u662f\u5149\u5b50\u7684\u5706\u9891\u7387\uff0c\u5176\u5355\u4f4d\u662f\u8d6b\u5179\uff08s-1\uff09\u3002
\u4e09 \u9759\u6b62\u8d28\u91cf\u8ba1\u7b97\u516c\u5f0f\u7684\u5e94\u7528
\u6211\u4eec\u7528\u4e00\u4e2a\u5b9e\u9645\u4f8b\u5b50\u6765\u9a8c\u8bc1\u8fd9\u4e2a\u516c\u5f0f\u6b63\u786e\u4e0e\u5426\uff1f\u4f8b\u5982\uff0c\u5df2\u77e5\u53ef\u89c1\u5149\u7684\u9891\u7387\u8303\u56f4\u57281014 \u20141015 Hz\uff08Hertz\uff09\uff0c\u7531\u6b64\uff0c\u53ef\u4ee5\u6839\u636e\u5f0f(4)\u6c42\u5f97\u201c\u53ef\u89c1\u5149\u201d\u5149\u5b50\u7684\u201c\u76f8\u5bf9\u9759\u6b62\u8d28\u91cf\u201d\u5927\u7ea6\u5728\uff1a10-34 \u201410-33g\u5de6\u53f3\u3002\u73b0\u4ee5\u9ec4\u5149\uff08\u9891\u7387\u4e3a5.0812 x 1014Hz\uff09\u4e3a\u4f8b\uff0c\u7528\u8fd9\u4e2a\u516c\u5f0f\u53ef\u4ee5\u7b97\u51fa\u8be5\u79cd\u5149\u5b50\u7684\u76f8\u5bf9\u9759\u6b62\u8d28\u91cf\u7ea6\u4e3a2.6485 x 10-33g\u3002\u6211\u4eec\u77e5\u9053\uff0c\u7535\u5b50\u7684\u9759\u6b62\u8d28\u91cf\u7ea6\u4e3a9.1085 x 10-28g\uff0c\u7531\u6b64\u5f97\u51fa\uff0c\u5149\u5b50\u7684\u9759\u6b62\u8d28\u91cf\u5927\u7ea6\u4e3a\u7535\u5b50\u8d28\u91cf\u7684\u201c\u4e09\u767e\u4e07\u5206\u4e4b\u4e00\u201d\u5de6\u53f3\u3002
\u56db \u5149\u5b50\u9759\u6b62\u8d28\u91cf\u516c\u5f0f\u7684\u5b9e\u9a8c\u8bc1\u660e
\u4e00\u4e2a\u65b0\u7406\u8bba\u7684\u6b63\u786e\u4e0e\u5426\uff0c\u4e0d\u4ec5\u5728\u4e8e\u903b\u8f91\u4e0a\u7684\u65e0\u77db\u76fe\u3001\u4ee5\u53ca\u5728\u6570\u5b66\u63a8\u5bfc\u4e0a\u7684\u6b63\u786e\u6027\uff0c\u66f4\u91cd\u8981\u7684\u8fd8\u5728\u4e8e\u5b83\u80fd\u5426\u89e3\u91ca\u5df2\u77e5\u73b0\u8c61\u3001\u5e76\u9884\u8a00\u65b0\u4e8b\u7269\u3002\u8fd9\u91cc\u6211\u4eec\u8981\u901a\u8fc7\u5df2\u77e5\u7684\u4e8b\u5b9e\u6765\u8bc1\u660e\u5149\u5b50\u76f8\u5bf9\u9759\u6b62\u8d28\u91cf\u8ba1\u7b97\u516c\u5f0f\u7684\u6b63\u786e\u6027\uff0c\u4ece\u800c\u95f4\u63a5\u5730\u8bc1\u660e\u5e7f\u4e49\u65f6\u7a7a\u76f8\u5bf9\u8bba\u7684\u6b63\u786e\u6027\u3002\u5173\u4e8e\u201c\u5149\u5b50\u5177\u6709\u4e0d\u7b49\u4e8e\u96f6\u7684\u76f8\u5bf9\u9759\u6b62\u8d28\u91cf\u201d\u8fd9\u4e00\u7406\u8bba\u7ed3\u679c\u7684\u6838\u7b97\u6b65\u9aa4\u662f\u8fd9\u6837\u7684\uff1a\u7528\u5e7f\u4e49\u65f6\u7a7a\u76f8\u5bf9\u8bba\u5148\u6c42\u51fa\u5b83\u7684\u201c\u7406\u8bba\u503c\u201d\uff0c\u7136\u540e\u4ee3\u5165\u6709\u5173\u7684\u516c\u5f0f\uff0c\u901a\u8fc7\u8ba1\u7b97\u5149\u7ebf\u5728\u592a\u9633\u9644\u8fd1\u7684\u201c\u504f\u8f6c\u89d2\u5ea6\u201d\u6765\u9a8c\u8bc1\u3002\u8bbe\u4e00\u725b\u987f\u7c92\u5b50\uff0c\u5176\u8d28\u91cf\u4e3am\uff0c\u5904\u5728\u6781\u5750\u6807r\uff0c\u03c6\u5e73\u9762\u4e0a\u4f4e\u901f\u8fd0\u52a8\u3002\u6839\u636e\u725b\u987f\u529b\u5b66\uff0c\u5176\u80fd\u91cf\u7684\u79ef\u5206\u4e3a\uff1a
(1/2)r\u20192 +(1/2)r2\u03c6\u20192 - GM/r = E/m (5)
\uff08\u53c2\u89c1\u300a\u5e7f\u4e49\u76f8\u5bf9\u8bba\u5bfc\u8bba\u300b\uff0c[\u610f] F\u00b7R\u00b7\u5766\u76d6\u91cc\u5c3c\u8457\uff0c\u6731\u57f9\u8c6b\u8bd1\uff0c\u4e0a\u6d77\u79d1\u5b66\u6280\u672f\u51fa\u7248\u793e\uff0c1963\u5e7412\u6708\u7b2c\u4e00\u7248\uff0c\u7b2c25\u201427\u9875\uff09\u3002\u5f0f\u4e2d\uff0c\u03c6\u2019\u662f\u725b\u987f\u7c92\u5b50\u7684\u89d2\u901f\u5ea6\uff0cM\u4e3a\u5bfc\u81f4\u725b\u987f\u7c92\u5b50\u504f\u8f6c\u7684\u661f\u4f53\uff08\u5373\u592a\u9633\uff09\u7684\u8d28\u91cf\uff0cE\u662f\u725b\u987f\u7c92\u5b50\u7684\u80fd\u91cf\uff0cm\u662f\u725b\u987f\u7c92\u5b50\u7684\u9759\u6b62\u8d28\u91cf\uff0cG\u662f\u5f15\u529b\u5e38\u6570\u3002\u6839\u636e\u201c\u5f00\u666e\u52d2\u5b9a\u5f8b\u201d\uff08Kepler\uff09\uff0c\u5176\u89d2\u52a8\u91cfA\u7684\u79ef\u5206\u662f\uff1a
A = mr2\u03c6\u2019 (6\uff09
\u6b63\u5982\u6240\u77e5\uff0c\u968f\u7740\u725b\u987f\u7c92\u5b50\u8fd0\u52a8\u901f\u5ea6\u7684\u63d0\u9ad8\uff0c\u5b83\u7684\u76f8\u5bf9\u9759\u6b62\u8d28\u91cf\u5c06\u9010\u6e10\u51cf\u5c0f\u3002\u6839\u636e\u5e7f\u4e49\u65f6\u7a7a\u76f8\u5bf9\u8bba\u6240\u63d0\u51fa\u7684\u201c\u5149\u5b50\u76f8\u5bf9\u9759\u6b62\u8d28\u91cf\u8ba1\u7b97\u516c\u5f0f\u201d\uff0c\u5982\u679c\u7c92\u5b50\u7684\u901f\u5ea6\u7b49\u4e8e\u5149\u901f\uff08c\uff09\uff0c\u5b83\u7684\u201c\u76f8\u5bf9\u9759\u6b62\u8d28\u91cf\u201d\u53d8\u6210\uff1a
m0 = m / (7\uff09
\u800c\u8fd9\u65f6\u7684\u89d2\u52a8\u91cf\uff1a
Ac = m0r2\u03c6c \u2019 (8)
\u5728\u8fd1\u65e5\u70b9\u5904\u5e94\u6709r\u03c6c \u2019= c\uff0c\u6240\u4ee5\uff0c\u5149\u5b50\u5728\u8be5\u70b9\u7684\u89d2\u52a8\u91cfAc = m0Rc\u3002\u4e3a\u6ee1\u8db3(5\uff09\u5f0f\uff0c\u5e94\u6709Ac\u2261A\uff08\u5373\u201c\u89d2\u52a8\u91cf\u5b88\u6052\u5b9a\u5f8b\u201d\uff09\uff0c\u6545\u6709\uff1a
m0r2\u03c6c\u2019 \u2261 mr2\u03c6\u2019
\u6216
m0Rc\u2261mr2\u03c6\u2019 (9)
\u518d\u7531(7)\u5f0f\u5f97\u51fa\uff1a
r2\u03c6\u2019 = Rc/
\u6216
r4\u03c6\u20192 = R2c2/2 (10\uff09
\u4e0a\u5f0f\u4e2d\u7684R\u662f\u4ece\u592a\u9633\u8d28\u5fc3\u5230\u8fd1\u65e5\u70b9\u7684\u8ddd\u79bb\u3002\u5229\u7528\u4e0b\u5f0f\u53ef\u4ee5\u6d88\u53bb\u4ee5\u4e0a\u5404\u5f0f\u7684\u65f6\u95f4\u5bfc\u6570
d /dt =\u03c6\u2019(d /d\u03c6)= (Rc/ r2)(d /d\u03c6)\u3002 (11)
\u636e\u6b64\uff0c\u53ef\u4ee5\u628a(5)\u5f0f\u6539\u5199\u6210\uff1a
(1/2)(dr/d\u03c6)2(R2c2/2r4)+(1/2)(R2c2/2r2)-GM/r = E/m. (12\uff09
\u5f15\u5165u = 1/r\uff0c\u4ee3\u5165\u4e0a\u5f0f\uff0c\u53ef\u4ee5\u5f97\u51fa\uff1a
(1/2)(du/d\u03c6)2(R2c2/2)+(1/2)(R2c2/2)u2 -GMu = E/m. (13\uff09
\u5bf9\u4e0a\u5f0f\u8fdb\u884c\u5fae\u5206\uff0c\u5e76\u79fb\u9879\u5f97\uff1a
d2u/d\u03c62 + u = 2GM/c2 R2 (14)
\u53c2\u7167\u4e0a\u8ff0\u7684\u300a\u5e7f\u4e49\u76f8\u5bf9\u8bba\u5bfc\u8bba\u300b\u7684\u6709\u5173\u8ba1\u7b97\u6b65\u9aa4\uff0c\u6211\u4eec\u53ef\u4ee5\u6700\u540e\u4f1a\u5f97\u51fa\uff1a
\u03b4\u22482GM/c2 R (15\uff09
\u7531\u6b64\u5f97\u51fa\u504f\u8f6c\u89d2\uff1a
\u03b1= 2\u03b4\u22484GM/c2 R (16)
\u8fd9\u4e00\u7ed3\u679c\u4e0e\u7231\u56e0\u65af\u5766\u5e7f\u4e49\u76f8\u5bf9\u8bba\u6240\u5f97\u51fa\u7684\u8ba1\u7b97\u7ed3\u679c\uff081.75"\uff09\u5b8c\u5168\u76f8\u7b49\u3002\u4e5f\u4e0e1952\u5e74\u5b9e\u9645\u7684\u5929\u6587\u89c2\u6d4b\u7ed3\u679c\uff081.70"\uff09\u76f8\u5f53\u5730\u543b\u5408\uff08\u53c2\u89c1\u300a\u7a7a\u95f4\u3001\u65f6\u95f4\u548c\u5f15\u529b\u7684\u7406\u8bba\u300b\uff0c[\u540c\u524d]\uff0c\u7b2c282\u9875\uff09\u3002\u4ece\u800c\u8bc1\u660e\uff0c\u5149\u5b50\u7684\u786e\u5177\u6709\u4e0d\u7b49\u4e8e\u96f6\u7684\u76f8\u5bf9\u9759\u6b62\u8d28\u91cf\uff08m0\uff09\u3002
\u4e94 \u7ed3 \u8bba
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GMm/r^2 = mg
绛旓細1銆佽川閲=閲嶅姏闄や互g m=G/g锛岃川閲=浣撶Н脳瀵嗗害 m=蟻v锛屽綋鐗╀綋婕傛诞鎴栨偓娴椂 G=F娴紝璐ㄩ噺=娴姏闄や互g m=F娴/g銆2銆佽川閲忥紙mass锛夋槸鐗╀綋鎵鍏锋湁鐨勪竴绉嶇墿鐞嗗睘鎬э紝鏄墿璐ㄧ殑閲忕殑閲忓害锛屽畠鏄竴涓鐨勬爣閲忋傝川閲忓垎涓烘儻鎬ц川閲忓拰寮曞姏璐ㄩ噺銆
绛旓細涓诲姩寮曞姏璐ㄩ噺鍜岃鍔ㄥ紩鍔涜川閲忋備竴涓墿浣撶殑璐ㄩ噺涔熷喅瀹氫簡瀹冭寮曞姏鍦哄奖鍝嶇殑绋嬪害銆傚亣璁句竴涓川閲忎负{\displaystyle M_{1}}鐨勭墿浣撹窛绂诲埆鐨勮川閲忎负{\displaystyle M_{2}}鐨勭墿浣撶殑璺濈涓簕\displaystyle r}锛岀涓涓墿浣撳彈鍒扮殑寮曞姏鍙互閫氳繃鎵绀鍏紡璁＄畻锛歿\displaystyle F=G{\frac {M_{1}M_{2}}{r^{2}}}...
绛旓細姹傞噸鍔涘仛鐨勫姛鍏紡锛歐=FScos螛 鐗╀綋鐢变簬鍦扮悆鐨勫惛寮曡屽彈鍒扮殑鍔涘彨閲嶅姏銆傞噸鍔涚殑鏂藉姏鐗╀綋鏄湴鐞冦傞噸鍔涚殑鏂瑰悜鎬绘槸绔栫洿鍚戜笅銆傜墿浣撳彈鍒扮殑閲嶅姏鐨勫ぇ灏忚窡鐗╀綋鐨璐ㄩ噺鎴愭姣旓紝璁＄畻鍏紡鏄細G=mg锛実涓烘瘮渚嬬郴鏁帮紝澶у皬绾︿负9.8N/kg锛岄噸鍔涢殢鐫绾害澶у皬鏀瑰彉鑰屾敼鍙橈紝璐ㄩ噺涓1kg鐨勭墿浣撳彈鍒扮殑閲嶅姏涓9.8N銆傚仛鍔熸槸鑳介噺鐢变竴绉...
绛旓細璐ㄩ噺鍜屼綋绉殑鍖哄埆鍦ㄤ簬锛1銆佷簩鑰呬粠涓嶅悓灞傞潰瀵圭墿璐ㄧ殑閲忓害銆傝川閲忔槸閲忓害鐗╀綋鎯уぇ灏忕殑鐗╃悊閲忋備綋绉槸閲忓害鐗╀綋鎵鍗犵┖闂寸殑澶у皬锛屽崰鎹竴鐗瑰畾瀹圭Н閲忋2銆佸崟浣嶄笉鍚 鍦ㄥ浗闄呭崟浣嶅埗涓紝璐ㄩ噺鐨勫熀鏈崟浣嶆槸鍗冨厠锛岀鍙稫g銆備綋绉殑鍥介檯鍗曚綅鍒舵槸绔嬫柟绫炽傝川閲忥紙mass锛夋槸鐗╀綋鎵鍏锋湁鐨勪竴绉嶇墿鐞嗗睘鎬э紝鏄墿璐ㄧ殑閲忕殑閲忓害锛屽畠鏄竴...
绛旓細2銆侀噸鍔璁＄畻鍏紡锛欸=mg锛圙涓洪噸閲忥紝m涓鸿川閲忥紝g涓哄湴鐞冪殑閲嶅姏鍔犻熷害锛岀害涓9.8N/Kg锛夈3銆佺墰椤跨浜屽畾寰嬭绠楀叕寮忥細F=ma锛團涓哄悎鍔涳紝m涓鸿川閲忥紝a涓哄姞閫熷害锛夈4銆佽川鑳借仈绯绘柟绋嬶細 E=mc*c銆傝川閲忔槸鐗╄川鐨勯噺鐨勯噺搴︼紝瀹冩槸涓涓鐨勬爣閲忋傝川閲忓垎涓烘儻鎬ц川閲忓拰寮曞姏璐ㄩ噺銆傝嚜鐒剁晫涓殑浠讳綍鐗╄川鏃㈡湁鎯ц川閲忓張鏈...
绛旓細鍥剧墖涓婃病璇撮敊 涓嶈兘璇寸墿浣撶殑璐ㄩ噺璺熶粬鍙楃殑閲嶅姏鎴愭姣旓紝涓瀹氳璇存垚鈥滅墿浣撶殑鍙楀埌鐨勯噸鍔涜窡浠栫殑璐ㄩ噺鎴愭姣斺濄傚洜涓轰竴鍒囩墿浣撻兘鏈夎川閲忥紝璐ㄩ噺涓嶉殢褰㈢姸銆佷綅缃佺姸鎬佽屽彉鍖栥傝岄噸鍔涙槸鍦扮悆瀵圭墿浣撳惛寮曡屼骇鐢熺殑锛屾槸鍏堟湁璐ㄩ噺鍚庢湁閲嶅姏锛屼篃灏辨槸鏈夊厛鍚庣殑鍥犳灉鍏崇郴鐨勩傛墍浠ヤ笉鑳借鍙嶄簡銆傚笇鏈涘浣犳湁甯姪 鏈涢噰绾 ...
绛旓細3銆 鐗涢】绗簩瀹氬緥璁＄畻鍏紡锛欶=ma锛團涓哄悎鍔涳紝m涓鸿川閲忥紝a涓哄姞閫熷害锛夈4銆 璐ㄨ兘鑱旂郴鏂圭▼锛 E=mc2銆傝川閲忓畾涔夛細璐ㄩ噺锛坢ass锛夋槸鐗╀綋鎵鍏锋湁鐨勪竴绉嶇墿鐞嗗睘鎬э紝鏄墿璐ㄧ殑閲忕殑閲忓害锛屽畠鏄竴涓鐨勬爣閲忋傝川閲忓垎涓烘儻鎬ц川閲忓拰寮曞姏璐ㄩ噺銆傝嚜鐒剁晫涓殑浠讳綍鐗╄川鏃㈡湁鎯ц川閲忓張鏈夊紩鍔涜川閲忋傝繖閲屾墍璇寸殑鈥滅墿璐ㄢ濇槸鑷劧鐣...
绛旓細鈷堝瘑搴ο:鏌愮鐗╄川鍗曚綅浣撶Н鐨璐ㄩ噺,瀵嗗害鏄墿璐ㄧ殑涓绉嶇壒鎬с 鍏紡: m=蟻V 鍥介檯鍗曚綅:鍗冨厠/绫3 ,甯哥敤鍗曚綅:鍏/鍘樼背3, 鍏崇郴:1鍏/鍘樼背3=1脳103鍗冨厠/绫3;蟻姘=1脳103鍗冨厠/绫3; 璇绘硶:103鍗冨厠姣忕珛鏂圭背,琛ㄧず1绔嬫柟绫虫按鐨勮川閲忎负103鍗冨厠銆 鈷夊瘑搴︽祴瀹:鐢ㄦ墭鐩樺ぉ骞虫祴璐ㄩ噺,閲忕瓛娴嬪浐浣撴垨娑蹭綋鐨勪綋绉 闈㈢Н鍗曚綅鎹㈢畻: 1...
绛旓細m(璐ㄩ噺锛=p锛堝瘑搴︼級V 锛堜綋绉級m(璐ㄩ噺锛=G锛堥噸鍔涳級/g锛9.8N/kg)渚嬩竴涓暱鏂瑰舰閾呭潡闀课戝螔楂樜★紝鏌ヨ〃寰楀瘑搴ο侊紝鍒欒川閲弇=螒脳螔脳巍脳蟻銆侻鎸囩殑鏄川閲,鍗曚綅涓哄厠锛坓锛夛紱P涓哄瘑搴,鍗曚綅鍏嬫瘡绔嬫柟绫筹紙g/cm³锛夛紱V涓轰綋绉,鍗曚綅涓虹珛鏂圭背锛坈m³锛夊崟浣嶇墿璐ㄧ殑閲忕殑鐗╄川鎵鍏锋湁鐨勮川閲忕О鎽╁皵...
绛旓細绛変簬璐ㄩ噺銆傜墿浣撳瘑搴︿箻浠ヤ綋绉瓑浜庤川閲忋傝川閲忔槸鐗╄川鐨勯噺鐨勯噺搴︼紝瀹冩槸涓涓鐨勬爣閲忋傝川閲忓垎涓烘儻鎬ц川閲忓拰寮曞姏璐ㄩ噺銆傝嚜鐒剁晫涓殑浠讳綍鐗╄川鏃㈡湁鎯ц川閲忓張鏈夊紩鍔涜川閲忋傝川閲忔湁鍏冲叕寮忓涓嬶細1銆佸瘑搴璁＄畻鍏紡锛氬瘑搴=璐ㄩ噺/浣撶Н锛埾=m/V锛夛紙鍚岀鐗╄川缁勬垚鐨勭墿浣撶殑璐ㄩ噺涓庝綋绉垚姝ｆ瘮锛夈2銆侀噸鍔涜绠楀叕寮忥細G=mg锛圙涓洪噸閲...
