高一物理必修2第六章公式 高一物理必修2所有公式
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1.\u5f00\u666e\u52d2\u7b2c\u4e09\u5b9a\u5f8b\uff1aT2/R3\uff1dK(\uff1d4\u03c02/GM)\uff5bR:\u8f68\u9053\u534a\u5f84\uff0cT:\u5468\u671f\uff0cK:\u5e38\u91cf(\u4e0e\u884c\u661f\u8d28\u91cf\u65e0\u5173\uff0c\u53d6\u51b3\u4e8e\u4e2d\u5fc3\u5929\u4f53\u7684\u8d28\u91cf)\uff5d
2.\u4e07\u6709\u5f15\u529b\u5b9a\u5f8b\uff1aF\uff1dGm1m2/r2 \uff08G\uff1d6.67\u00d710-11N•m2/kg2\uff0c\u65b9\u5411\u5728\u5b83\u4eec\u7684\u8fde\u7ebf\u4e0a\uff09
3.\u5929\u4f53\u4e0a\u7684\u91cd\u529b\u548c\u91cd\u529b\u52a0\u901f\u5ea6\uff1aGMm/R2\uff1dmg\uff1bg\uff1dGM/R2 \uff5bR:\u5929\u4f53\u534a\u5f84(m)\uff0cM\uff1a\u5929\u4f53\u8d28\u91cf\uff08kg\uff09\uff5d
4.\u536b\u661f\u7ed5\u884c\u901f\u5ea6\u3001\u89d2\u901f\u5ea6\u3001\u5468\u671f\uff1aV\uff1d(GM/r)1/2\uff1b\u03c9\uff1d(GM/r3)1/2\uff1bT\uff1d2\u03c0(r3/GM)1/2\uff5bM\uff1a\u4e2d\u5fc3\u5929\u4f53\u8d28\u91cf\uff5d
5.\u7b2c\u4e00(\u4e8c\u3001\u4e09)\u5b87\u5b99\u901f\u5ea6V1\uff1d(g\u5730r\u5730)1/2\uff1d(GM/r\u5730)1/2\uff1d7.9km/s\uff1bV2\uff1d11.2km/s\uff1bV3\uff1d16.7km/s
6.\u5730\u7403\u540c\u6b65\u536b\u661fGMm/(r\u5730+h)2\uff1dm4\u03c02(r\u5730+h)/T2\uff5bh\u224836000km\uff0ch:\u8ddd\u5730\u7403\u8868\u9762\u7684\u9ad8\u5ea6\uff0cr\u5730:\u5730\u7403\u7684\u534a\u5f84\uff5d
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(5)\u5730\u7403\u536b\u661f\u7684\u6700\u5927\u73af\u7ed5\u901f\u5ea6\u548c\u6700\u5c0f\u53d1\u5c04\u901f\u5ea6\u5747\u4e3a7.9km/s\u3002
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1\uff09\u5300\u53d8\u901f\u76f4\u7ebf\u8fd0\u52a8 ¬
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3.\u4e2d\u95f4\u65f6\u523b\u901f\u5ea6Vt/2\uff1dV\u5e73\uff1d(Vt+Vo)/2 4.\u672b\u901f\u5ea6Vt\uff1dVo+at ¬
5.\u4e2d\u95f4\u4f4d\u7f6e\u901f\u5ea6Vs/2\uff1d[(Vo2+Vt2)/2]1/2 6.\u4f4d\u79fbs\uff1dV\u5e73t\uff1dVot+at2/2\uff1dVt/2t ¬
7.\u52a0\u901f\u5ea6a\uff1d(Vt-Vo)/t \uff5b\u4ee5Vo\u4e3a\u6b63\u65b9\u5411\uff0ca\u4e0eVo\u540c\u5411(\u52a0\u901f)a>0\uff1b\u53cd\u5411\u5219a<0\uff5d ¬
8.\u5b9e\u9a8c\u7528\u63a8\u8bba\u0394s\uff1daT2 \uff5b\u0394s\u4e3a\u8fde\u7eed\u76f8\u90bb\u76f8\u7b49\u65f6\u95f4(T)\u5185\u4f4d\u79fb\u4e4b\u5dee\uff5d ¬
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1.\u4f4d\u79fbs\uff1dVot-gt2/2 2.\u672b\u901f\u5ea6Vt\uff1dVo-gt \uff08g=9.8m/s2\u224810m/s2\uff09 ¬
3.\u6709\u7528\u63a8\u8bbaVt2-Vo2\uff1d-2gs 4.\u4e0a\u5347\u6700\u5927\u9ad8\u5ea6Hm\uff1dVo2/2g(\u629b\u51fa\u70b9\u7b97\u8d77\uff09 ¬
5.\u5f80\u8fd4\u65f6\u95f4t\uff1d2Vo/g \uff08\u4ece\u629b\u51fa\u843d\u56de\u539f\u4f4d\u7f6e\u7684\u65f6\u95f4\uff09 ¬
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3.\u6c34\u5e73\u65b9\u5411\u4f4d\u79fb\uff1ax\uff1dVot 4.\u7ad6\u76f4\u65b9\u5411\u4f4d\u79fb\uff1ay\uff1dgt2/2 ¬
5.\u8fd0\u52a8\u65f6\u95f4t\uff1d(2y/g\uff091/2(\u901a\u5e38\u53c8\u8868\u793a\u4e3a(2h/g)1/2) ¬
6.\u5408\u901f\u5ea6Vt\uff1d(Vx2+Vy2)1/2\uff1d[Vo2+(gt)2]1/2 ¬
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7.\u5408\u4f4d\u79fb\uff1as\uff1d(x2+y2)1/2, ¬
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8.\u6c34\u5e73\u65b9\u5411\u52a0\u901f\u5ea6\uff1aax=0\uff1b\u7ad6\u76f4\u65b9\u5411\u52a0\u901f\u5ea6\uff1aay\uff1dg ¬
2\uff09\u5300\u901f\u5706\u5468\u8fd0\u52a8 ¬
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3.\u5411\u5fc3\u52a0\u901f\u5ea6a\uff1dV2/r\uff1d\u03c92r\uff1d(2\u03c0/T)2r 4.\u5411\u5fc3\u529bF\u5fc3\uff1dmV2/r\uff1dm\u03c92r\uff1dmr(2\u03c0/T)2\uff1dm\u03c9v=F\u5408 ¬
5.\u5468\u671f\u4e0e\u9891\u7387\uff1aT\uff1d1/f 6.\u89d2\u901f\u5ea6\u4e0e\u7ebf\u901f\u5ea6\u7684\u5173\u7cfb\uff1aV\uff1d\u03c9r ¬
7.\u89d2\u901f\u5ea6\u4e0e\u8f6c\u901f\u7684\u5173\u7cfb\u03c9\uff1d2\u03c0n(\u6b64\u5904\u9891\u7387\u4e0e\u8f6c\u901f\u610f\u4e49\u76f8\u540c) ¬
3)\u4e07\u6709\u5f15\u529b ¬
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2.\u4e07\u6709\u5f15\u529b\u5b9a\u5f8b\uff1aF\uff1dGm1m2/r2 \uff08G\uff1d6.67\u00d710-11N?m2/kg2\uff0c\u65b9\u5411\u5728\u5b83\u4eec\u7684\u8fde\u7ebf\u4e0a\uff09 ¬
3.\u5929\u4f53\u4e0a\u7684\u91cd\u529b\u548c\u91cd\u529b\u52a0\u901f\u5ea6\uff1aGMm/R2\uff1dmg\uff1bg\uff1dGM/R2 \uff5bR:\u5929\u4f53\u534a\u5f84(m)\uff0cM\uff1a\u5929\u4f53\u8d28\u91cf\uff08kg\uff09\uff5d ¬
4.\u536b\u661f\u7ed5\u884c\u901f\u5ea6\u3001\u89d2\u901f\u5ea6\u3001\u5468\u671f\uff1aV\uff1d(GM/r)1/2\uff1b\u03c9\uff1d(GM/r3)1/2\uff1bT\uff1d2\u03c0(r3/GM)1/2\uff5bM\uff1a\u4e2d\u5fc3\u5929\u4f53\u8d28\u91cf\uff5d ¬
5.\u7b2c\u4e00(\u4e8c\u3001\u4e09)\u5b87\u5b99\u901f\u5ea6V1\uff1d(g\u5730r\u5730)1/2\uff1d(GM/r\u5730)1/2\uff1d7.9km/s\uff1bV2\uff1d11.2km/s\uff1bV3\uff1d16.7km/s ¬
6.\u5730\u7403\u540c\u6b65\u536b\u661fGMm/(r\u5730+h)2\uff1dm4\u03c02(r\u5730+h)/T2\uff5bh\u224836000km\uff0ch:\u8ddd\u5730\u7403\u8868\u9762\u7684\u9ad8\u5ea6\uff0cr\u5730:\u5730\u7403\u7684\u534a\u5f84\uff5d ¬
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(1)\u5929\u4f53\u8fd0\u52a8\u6240\u9700\u7684\u5411\u5fc3\u529b\u7531\u4e07\u6709\u5f15\u529b\u63d0\u4f9b,F\u5411\uff1dF\u4e07\uff1b ¬
(2)\u5e94\u7528\u4e07\u6709\u5f15\u529b\u5b9a\u5f8b\u53ef\u4f30\u7b97\u5929\u4f53\u7684\u8d28\u91cf\u5bc6\u5ea6\u7b49\uff1b ¬
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(5)\u5730\u7403\u536b\u661f\u7684\u6700\u5927\u73af\u7ed5\u901f\u5ea6\u548c\u6700\u5c0f\u53d1\u5c04\u901f\u5ea6\u5747\u4e3a7.9km/s\u3002 ¬
1\uff09\u5e38\u89c1\u7684\u529b ¬
1.\u91cd\u529bG\uff1dmg \uff08\u65b9\u5411\u7ad6\u76f4\u5411\u4e0b\uff0cg\uff1d9.8m/s2\u224810m/s2\uff0c\u4f5c\u7528\u70b9\u5728\u91cd\u5fc3\uff0c\u9002\u7528\u4e8e\u5730\u7403\u8868\u9762\u9644\u8fd1\uff09 ¬
2.\u80e1\u514b\u5b9a\u5f8bF\uff1dkx \uff5b\u65b9\u5411\u6cbf\u6062\u590d\u5f62\u53d8\u65b9\u5411\uff0ck\uff1a\u52b2\u5ea6\u7cfb\u6570(N/m)\uff0cx\uff1a\u5f62\u53d8\u91cf(m)\uff5d ¬
3.\u6ed1\u52a8\u6469\u64e6\u529bF\uff1d\u03bcFN \uff5b\u4e0e\u7269\u4f53\u76f8\u5bf9\u8fd0\u52a8\u65b9\u5411\u76f8\u53cd\uff0c\u03bc\uff1a\u6469\u64e6\u56e0\u6570\uff0cFN\uff1a\u6b63\u538b\u529b(N)\uff5d ¬
4.\u9759\u6469\u64e6\u529b0\u2264f\u9759\u2264fm \uff08\u4e0e\u7269\u4f53\u76f8\u5bf9\u8fd0\u52a8\u8d8b\u52bf\u65b9\u5411\u76f8\u53cd\uff0cfm\u4e3a\u6700\u5927\u9759\u6469\u64e6\u529b\uff09 ¬ 5.\u4e07\u6709\u5f15\u529bF\uff1dGm1m2/r2 \uff08G\uff1d6.67\u00d710-11N?m2/kg2,\u65b9\u5411\u5728\u5b83\u4eec\u7684\u8fde\u7ebf\u4e0a\uff09 ¬
6.\u9759\u7535\u529bF\uff1dkQ1Q2/r2 \uff08k\uff1d9.0\u00d7109N?m2/C2,\u65b9\u5411\u5728\u5b83\u4eec\u7684\u8fde\u7ebf\u4e0a\uff09 ¬
7.\u7535\u573a\u529bF\uff1dEq \uff08E\uff1a\u573a\u5f3aN/C\uff0cq\uff1a\u7535\u91cfC\uff0c\u6b63\u7535\u8377\u53d7\u7684\u7535\u573a\u529b\u4e0e\u573a\u5f3a\u65b9\u5411\u76f8\u540c\uff09 ¬
8.\u5b89\u57f9\u529bF\uff1dBILsin\u03b8 \uff08\u03b8\u4e3aB\u4e0eL\u7684\u5939\u89d2\uff0c\u5f53L\u22a5B\u65f6:F\uff1dBIL\uff0cB//L\u65f6:F\uff1d0\uff09 ¬
9.\u6d1b\u4ed1\u5179\u529bf\uff1dqVBsin\u03b8 \uff08\u03b8\u4e3aB\u4e0eV\u7684\u5939\u89d2\uff0c\u5f53V\u22a5B\u65f6\uff1af\uff1dqVB\uff0cV//B\u65f6:f\uff1d0\uff09 ¬
2\uff09\u529b\u7684\u5408\u6210\u4e0e\u5206\u89e3 ¬
1.\u540c\u4e00\u76f4\u7ebf\u4e0a\u529b\u7684\u5408\u6210\u540c\u5411:F\uff1dF1+F2\uff0c \u53cd\u5411\uff1aF\uff1dF1-F2 (F1>F2) ¬
2.\u4e92\u6210\u89d2\u5ea6\u529b\u7684\u5408\u6210\uff1a ¬
F\uff1d(F12+F22+2F1F2cos\u03b1)1/2\uff08\u4f59\u5f26\u5b9a\u7406\uff09 F1\u22a5F2\u65f6:F\uff1d(F12+F22)1/2 ¬
3.\u5408\u529b\u5927\u5c0f\u8303\u56f4\uff1a|F1-F2|\u2264F\u2264|F1+F2| ¬
4.\u529b\u7684\u6b63\u4ea4\u5206\u89e3\uff1aFx\uff1dFcos\u03b2\uff0cFy\uff1dFsin\u03b2\uff08\u03b2\u4e3a\u5408\u529b\u4e0ex\u8f74\u4e4b\u95f4\u7684\u5939\u89d2tg\u03b2\uff1dFy/Fx\uff09 ¬
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1.\u725b\u987f\u7b2c\u4e00\u8fd0\u52a8\u5b9a\u5f8b(\u60ef\u6027\u5b9a\u5f8b\uff09\uff1a\u7269\u4f53\u5177\u6709\u60ef\u6027\uff0c\u603b\u4fdd\u6301\u5300\u901f\u76f4\u7ebf\u8fd0\u52a8\u72b6\u6001\u6216\u9759\u6b62\u72b6\u6001,\u76f4\u5230\u6709\u5916\u529b\u8feb\u4f7f\u5b83\u6539\u53d8\u8fd9\u79cd\u72b6\u6001\u4e3a\u6b62 ¬
2.\u725b\u987f\u7b2c\u4e8c\u8fd0\u52a8\u5b9a\u5f8b\uff1aF\u5408\uff1dma\u6216a\uff1dF\u5408/ma{\u7531\u5408\u5916\u529b\u51b3\u5b9a,\u4e0e\u5408\u5916\u529b\u65b9\u5411\u4e00\u81f4} ¬
3.\u725b\u987f\u7b2c\u4e09\u8fd0\u52a8\u5b9a\u5f8b\uff1aF\uff1d-F\u2032{\u8d1f\u53f7\u8868\u793a\u65b9\u5411\u76f8\u53cd,F\u3001F\u2032\u5404\u81ea\u4f5c\u7528\u5728\u5bf9\u65b9\uff0c\u5e73\u8861\u529b\u4e0e\u4f5c\u7528\u529b\u53cd\u4f5c\u7528\u529b\u533a\u522b\uff0c\u5b9e\u9645\u5e94\u7528\uff1a\u53cd\u51b2\u8fd0\u52a8} ¬
4.\u5171\u70b9\u529b\u7684\u5e73\u8861F\u5408\uff1d0\uff0c\u63a8\u5e7f \uff5b\u6b63\u4ea4\u5206\u89e3\u6cd5\u3001\u4e09\u529b\u6c47\u4ea4\u539f\u7406\uff5d ¬
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6.\u725b\u987f\u8fd0\u52a8\u5b9a\u5f8b\u7684\u9002\u7528\u6761\u4ef6\uff1a\u9002\u7528\u4e8e\u89e3\u51b3\u4f4e\u901f\u8fd0\u52a8\u95ee\u9898\uff0c\u9002\u7528\u4e8e\u5b8f\u89c2\u7269\u4f53\uff0c\u4e0d\u9002\u7528\u4e8e\u5904\u7406\u9ad8\u901f\u95ee\u9898\uff0c\u4e0d\u9002\u7528\u4e8e\u5fae\u89c2\u7c92\u5b50 ¬
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2.\u5355\u6446\u5468\u671fT\uff1d2\u03c0(l/g)1/2 \uff5bl:\u6446\u957f(m)\uff0cg:\u5f53\u5730\u91cd\u529b\u52a0\u901f\u5ea6\u503c\uff0c\u6210\u7acb\u6761\u4ef6:\u6446\u89d2\u03b8>r\uff5d ¬
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7.\u58f0\u6ce2\u7684\u6ce2\u901f(\u5728\u7a7a\u6c14\u4e2d\uff090\u2103\uff1a332m/s\uff1b20\u2103:344m/s\uff1b30\u2103:349m/s\uff1b(\u58f0\u6ce2\u662f\u7eb5\u6ce2) ¬
8.\u6ce2\u53d1\u751f\u660e\u663e\u884d\u5c04\uff08\u6ce2\u7ed5\u8fc7\u969c\u788d\u7269\u6216\u5b54\u7ee7\u7eed\u4f20\u64ad\uff09\u6761\u4ef6\uff1a\u969c\u788d\u7269\u6216\u5b54\u7684\u5c3a\u5bf8\u6bd4\u6ce2\u957f\u5c0f\uff0c\u6216\u8005\u76f8\u5dee\u4e0d\u5927 ¬
9.\u6ce2\u7684\u5e72\u6d89\u6761\u4ef6\uff1a\u4e24\u5217\u6ce2\u9891\u7387\u76f8\u540c(\u76f8\u5dee\u6052\u5b9a\u3001\u632f\u5e45\u76f8\u8fd1\u3001\u632f\u52a8\u65b9\u5411\u76f8\u540c) ¬
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5.\u52a8\u91cf\u5b88\u6052\u5b9a\u5f8b\uff1ap\u524d\u603b\uff1dp\u540e\u603b\u6216p\uff1dp\u2019\u2032\u4e5f\u53ef\u4ee5\u662fm1v1+m2v2\uff1dm1v1\u2032+m2v2\u2032 ¬
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8.\u5b8c\u5168\u975e\u5f39\u6027\u78b0\u649e\u0394p\uff1d0\uff1b\u0394EK\uff1d\u0394EKm {\u78b0\u540e\u8fde\u5728\u4e00\u8d77\u6210\u4e00\u6574\u4f53} ¬
9.\u7269\u4f53m1\u4ee5v1\u521d\u901f\u5ea6\u4e0e\u9759\u6b62\u7684\u7269\u4f53m2\u53d1\u751f\u5f39\u6027\u6b63\u78b0: ¬
v1\u2032\uff1d(m1-m2)v1/(m1+m2) v2\u2032\uff1d2m1v1/(m1+m2) ¬
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11.\u5b50\u5f39m\u6c34\u5e73\u901f\u5ea6vo\u5c04\u5165\u9759\u6b62\u7f6e\u4e8e\u6c34\u5e73\u5149\u6ed1\u5730\u9762\u7684\u957f\u6728\u5757M\uff0c\u5e76\u5d4c\u5165\u5176\u4e2d\u4e00\u8d77\u8fd0\u52a8\u65f6\u7684\u673a\u68b0\u80fd\u635f\u5931 ¬
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6.\u6c7d\u8f66\u7275\u5f15\u529b\u7684\u529f\u7387\uff1aP\uff1dFv\uff1bP\u5e73\uff1dFv\u5e73 {P:\u77ac\u65f6\u529f\u7387\uff0cP\u5e73:\u5e73\u5747\u529f\u7387} ¬
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15.\u673a\u68b0\u80fd\u5b88\u6052\u5b9a\u5f8b\uff1a\u0394E\uff1d0\u6216EK1+EP1\uff1dEK2+EP2\u4e5f\u53ef\u4ee5\u662fmv12/2+mgh1\uff1dmv22/2+mgh2 ¬
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W:\u5916\u754c\u5bf9\u7269\u4f53\u505a\u7684\u6b63\u529f(J)\uff0cQ:\u7269\u4f53\u5438\u6536\u7684\u70ed\u91cf(J)\uff0c\u0394U:\u589e\u52a0\u7684\u5185\u80fd(J)\uff0c\u6d89\u53ca\u5230\u7b2c\u4e00\u7c7b\u6c38\u52a8\u673a\u4e0d\u53ef\u9020\u51fa ¬
7.\u70ed\u529b\u5b66\u7b2c\u4e09\u5b9a\u5f8b\uff1a\u70ed\u529b\u5b66\u96f6\u5ea6\u4e0d\u53ef\u8fbe\u5230\uff5b\u5b87\u5b99\u6e29\u5ea6\u4e0b\u9650\uff1a\uff0d273.15\u6444\u6c0f\u5ea6\uff08\u70ed\u529b\u5b66\u96f6\u5ea6\uff09\uff5d ¬
\u6ce8: ¬
(1)\u5e03\u6717\u7c92\u5b50\u4e0d\u662f\u5206\u5b50,\u5e03\u6717\u9897\u7c92\u8d8a\u5c0f\uff0c\u5e03\u6717\u8fd0\u52a8\u8d8a\u660e\u663e,\u6e29\u5ea6\u8d8a\u9ad8\u8d8a\u5267\u70c8\uff1b ¬
(2)\u6e29\u5ea6\u662f\u5206\u5b50\u5e73\u5747\u52a8\u80fd\u7684\u6807\u5fd7\uff1b ¬
3)\u5206\u5b50\u95f4\u7684\u5f15\u529b\u548c\u65a5\u529b\u540c\u65f6\u5b58\u5728,\u968f\u5206\u5b50\u95f4\u8ddd\u79bb\u7684\u589e\u5927\u800c\u51cf\u5c0f,\u4f46\u65a5\u529b\u51cf\u5c0f\u5f97\u6bd4\u5f15\u529b\u5feb\uff1b ¬
(4)\u5206\u5b50\u529b\u505a\u6b63\u529f\uff0c\u5206\u5b50\u52bf\u80fd\u51cf\u5c0f,\u5728r0\u5904F\u5f15\uff1dF\u65a5\u4e14\u5206\u5b50\u52bf\u80fd\u6700\u5c0f\uff1b ¬
(5)\u6c14\u4f53\u81a8\u80c0,\u5916\u754c\u5bf9\u6c14\u4f53\u505a\u8d1f\u529fW0\uff1b\u5438\u6536\u70ed\u91cf\uff0cQ>0 ¬
(6)\u7269\u4f53\u7684\u5185\u80fd\u662f\u6307\u7269\u4f53\u6240\u6709\u7684\u5206\u5b50\u52a8\u80fd\u548c\u5206\u5b50\u52bf\u80fd\u7684\u603b\u548c\uff0c\u5bf9\u4e8e\u7406\u60f3\u6c14\u4f53\u5206\u5b50\u95f4\u4f5c\u7528\u529b\u4e3a\u96f6\uff0c\u5206\u5b50\u52bf\u80fd\u4e3a\u96f6\uff1b ¬
(7)r0\u4e3a\u5206\u5b50\u5904\u4e8e\u5e73\u8861\u72b6\u6001\u65f6\uff0c\u5206\u5b50\u95f4\u7684\u8ddd\u79bb\uff1b ¬
\u5341\u3001\u7535\u573a ¬
1.\u4e24\u79cd\u7535\u8377\u3001\u7535\u8377\u5b88\u6052\u5b9a\u5f8b\u3001\u5143\u7535\u8377\uff1a(e\uff1d1.60\u00d710-19C\uff09\uff1b\u5e26\u7535\u4f53\u7535\u8377\u91cf\u7b49\u4e8e\u5143\u7535\u8377\u7684\u6574\u6570\u500d ¬
2.\u5e93\u4ed1\u5b9a\u5f8b\uff1aF\uff1dkQ1Q2/r2\uff08\u5728\u771f\u7a7a\u4e2d\uff09\uff5bF:\u70b9\u7535\u8377\u95f4\u7684\u4f5c\u7528\u529b(N)\uff0ck:\u9759\u7535\u529b\u5e38\u91cfk\uff1d9.0\u00d7109N?m2/C2\uff0cQ1\u3001Q2:\u4e24\u70b9\u7535\u8377\u7684\u7535\u91cf(C)\uff0cr:\u4e24\u70b9\u7535\u8377\u95f4\u7684\u8ddd\u79bb(m)\uff0c\u65b9\u5411\u5728\u5b83\u4eec\u7684\u8fde\u7ebf\u4e0a\uff0c\u4f5c\u7528\u529b\u4e0e\u53cd\u4f5c\u7528\u529b\uff0c\u540c\u79cd\u7535\u8377\u4e92\u76f8\u6392\u65a5\uff0c\u5f02\u79cd\u7535\u8377\u4e92\u76f8\u5438\u5f15\uff5d ¬
3.\u7535\u573a\u5f3a\u5ea6\uff1aE\uff1dF/q\uff08\u5b9a\u4e49\u5f0f\u3001\u8ba1\u7b97\u5f0f)\uff5bE:\u7535\u573a\u5f3a\u5ea6(N/C)\uff0c\u662f\u77e2\u91cf\uff08\u7535\u573a\u7684\u53e0\u52a0\u539f\u7406\uff09\uff0cq\uff1a\u68c0\u9a8c\u7535\u8377\u7684\u7535\u91cf(C)\uff5d ¬
4.\u771f\u7a7a\u70b9\uff08\u6e90\uff09\u7535\u8377\u5f62\u6210\u7684\u7535\u573aE\uff1dkQ/r2 \uff5br\uff1a\u6e90\u7535\u8377\u5230\u8be5\u4f4d\u7f6e\u7684\u8ddd\u79bb\uff08m\uff09\uff0cQ\uff1a\u6e90\u7535\u8377\u7684\u7535\u91cf\uff5d ¬
5.\u5300\u5f3a\u7535\u573a\u7684\u573a\u5f3aE\uff1dUAB/d \uff5bUAB:AB\u4e24\u70b9\u95f4\u7684\u7535\u538b(V)\uff0cd:AB\u4e24\u70b9\u5728\u573a\u5f3a\u65b9\u5411\u7684\u8ddd\u79bb(m)\uff5d ¬
6.\u7535\u573a\u529b\uff1aF\uff1dqE \uff5bF:\u7535\u573a\u529b(N)\uff0cq:\u53d7\u5230\u7535\u573a\u529b\u7684\u7535\u8377\u7684\u7535\u91cf(C)\uff0cE:\u7535\u573a\u5f3a\u5ea6(N/C)\uff5d ¬
7.\u7535\u52bf\u4e0e\u7535\u52bf\u5dee\uff1aUAB\uff1d\u03c6A-\u03c6B\uff0cUAB\uff1dWAB/q\uff1d-\u0394EAB/q ¬
8.\u7535\u573a\u529b\u505a\u529f\uff1aWAB\uff1dqUAB\uff1dEqd\uff5bWAB:\u5e26\u7535\u4f53\u7531A\u5230B\u65f6\u7535\u573a\u529b\u6240\u505a\u7684\u529f(J)\uff0cq:\u5e26\u7535\u91cf(C)\uff0cUAB:\u7535\u573a\u4e2dA\u3001B\u4e24\u70b9\u95f4\u7684\u7535\u52bf\u5dee(V)(\u7535\u573a\u529b\u505a\u529f\u4e0e\u8def\u5f84\u65e0\u5173),E:\u5300\u5f3a\u7535\u573a\u5f3a\u5ea6,d:\u4e24\u70b9\u6cbf\u573a\u5f3a\u65b9\u5411\u7684\u8ddd\u79bb(m)\uff5d ¬
9.\u7535\u52bf\u80fd\uff1aEA\uff1dq\u03c6A \uff5bEA:\u5e26\u7535\u4f53\u5728A\u70b9\u7684\u7535\u52bf\u80fd(J)\uff0cq:\u7535\u91cf(C)\uff0c\u03c6A:A\u70b9\u7684\u7535\u52bf(V)\uff5d ¬
10.\u7535\u52bf\u80fd\u7684\u53d8\u5316\u0394EAB\uff1dEB-EA \uff5b\u5e26\u7535\u4f53\u5728\u7535\u573a\u4e2d\u4eceA\u4f4d\u7f6e\u5230B\u4f4d\u7f6e\u65f6\u7535\u52bf\u80fd\u7684\u5dee\u503c\uff5d ¬
11.\u7535\u573a\u529b\u505a\u529f\u4e0e\u7535\u52bf\u80fd\u53d8\u5316\u0394EAB\uff1d-WAB\uff1d-qUAB (\u7535\u52bf\u80fd\u7684\u589e\u91cf\u7b49\u4e8e\u7535\u573a\u529b\u505a\u529f\u7684\u8d1f\u503c) ¬
12.\u7535\u5bb9C\uff1dQ/U(\u5b9a\u4e49\u5f0f,\u8ba1\u7b97\u5f0f) \uff5bC:\u7535\u5bb9(F)\uff0cQ:\u7535\u91cf(C)\uff0cU:\u7535\u538b(\u4e24\u6781\u677f\u7535\u52bf\u5dee)(V)\uff5d ¬
13.\u5e73\u884c\u677f\u7535\u5bb9\u5668\u7684\u7535\u5bb9C\uff1d\u03b5S/4\u03c0kd\uff08S:\u4e24\u6781\u677f\u6b63\u5bf9\u9762\u79ef\uff0cd:\u4e24\u6781\u677f\u95f4\u7684\u5782\u76f4\u8ddd\u79bb\uff0c\u03c9\uff1a\u4ecb\u7535\u5e38\u6570\uff09 ¬
14.\u5e26\u7535\u7c92\u5b50\u5728\u7535\u573a\u4e2d\u7684\u52a0\u901f(Vo\uff1d0)\uff1aW\uff1d\u0394EK\u6216qU\uff1dmVt2/2\uff0cVt\uff1d(2qU/m)1/2 ¬
15.\u5e26\u7535\u7c92\u5b50\u6cbf\u5782\u76f4\u7535\u573a\u65b9\u5411\u4ee5\u901f\u5ea6Vo\u8fdb\u5165\u5300\u5f3a\u7535\u573a\u65f6\u7684\u504f\u8f6c(\u4e0d\u8003\u8651\u91cd\u529b\u4f5c\u7528\u7684\u60c5\u51b5\u4e0b) ¬
\u7c7b\u5e73 \u5782\u76f4\u7535\u573a\u65b9\u5411:\u5300\u901f\u76f4\u7ebf\u8fd0\u52a8L\uff1dVot(\u5728\u5e26\u7b49\u91cf\u5f02\u79cd\u7535\u8377\u7684\u5e73\u884c\u6781\u677f\u4e2d\uff1aE\uff1dU/d) ¬
\u629b\u8fd0\u52a8 \u5e73\u884c\u7535\u573a\u65b9\u5411:\u521d\u901f\u5ea6\u4e3a\u96f6\u7684\u5300\u52a0\u901f\u76f4\u7ebf\u8fd0\u52a8d\uff1dat2/2\uff0ca\uff1dF/m\uff1dqE/m ¬
\u6ce8: ¬
(1)\u4e24\u4e2a\u5b8c\u5168\u76f8\u540c\u7684\u5e26\u7535\u91d1\u5c5e\u5c0f\u7403\u63a5\u89e6\u65f6,\u7535\u91cf\u5206\u914d\u89c4\u5f8b:\u539f\u5e26\u5f02\u79cd\u7535\u8377\u7684\u5148\u4e2d\u548c\u540e\u5e73\u5206,\u539f\u5e26\u540c\u79cd\u7535\u8377\u7684\u603b\u91cf\u5e73\u5206\uff1b ¬
(2)\u7535\u573a\u7ebf\u4ece\u6b63\u7535\u8377\u51fa\u53d1\u7ec8\u6b62\u4e8e\u8d1f\u7535\u8377,\u7535\u573a\u7ebf\u4e0d\u76f8\u4ea4,\u5207\u7ebf\u65b9\u5411\u4e3a\u573a\u5f3a\u65b9\u5411,\u7535\u573a\u7ebf\u5bc6\u5904\u573a\u5f3a\u5927,\u987a\u7740\u7535\u573a\u7ebf\u7535\u52bf\u8d8a\u6765\u8d8a\u4f4e,\u7535\u573a\u7ebf\u4e0e\u7b49\u52bf\u7ebf\u5782\u76f4\uff1b ¬
\uff083\uff09\u5e38\u89c1\u7535\u573a\u7684\u7535\u573a\u7ebf\u5206\u5e03\u8981\u6c42\u719f\u8bb0\u3014\u89c1\u56fe[\u7b2c\u4e8c\u518cP98]\uff1b ¬
(4)\u7535\u573a\u5f3a\u5ea6\uff08\u77e2\u91cf\uff09\u4e0e\u7535\u52bf\uff08\u6807\u91cf\uff09\u5747\u7531\u7535\u573a\u672c\u8eab\u51b3\u5b9a,\u800c\u7535\u573a\u529b\u4e0e\u7535\u52bf\u80fd\u8fd8\u4e0e\u5e26\u7535\u4f53\u5e26\u7684\u7535\u91cf\u591a\u5c11\u548c\u7535\u8377\u6b63\u8d1f\u6709\u5173\uff1b ¬
(5)\u5904\u4e8e\u9759\u7535\u5e73\u8861\u5bfc\u4f53\u662f\u4e2a\u7b49\u52bf\u4f53,\u8868\u9762\u662f\u4e2a\u7b49\u52bf\u9762,\u5bfc\u4f53\u5916\u8868\u9762\u9644\u8fd1\u7684\u7535\u573a\u7ebf\u5782\u76f4\u4e8e\u5bfc\u4f53\u8868\u9762\uff0c\u5bfc\u4f53\u5185\u90e8\u5408\u573a\u5f3a\u4e3a\u96f6,\u5bfc\u4f53\u5185\u90e8\u6ca1\u6709\u51c0\u7535\u8377,\u51c0\u7535\u8377\u53ea\u5206\u5e03\u4e8e\u5bfc\u4f53\u5916\u8868\u9762\uff1b ¬
(6)\u7535\u5bb9\u5355\u4f4d\u6362\u7b97\uff1a1F\uff1d106\u03bcF\uff1d1012PF\uff1b ¬
(7\uff09\u7535\u5b50\u4f0f(eV)\u662f\u80fd\u91cf\u7684\u5355\u4f4d,1eV\uff1d1.60\u00d710-19J\uff1b ¬
\u5341\u4e00\u3001\u6052\u5b9a\u7535\u6d41 ¬
1.\u7535\u6d41\u5f3a\u5ea6\uff1aI\uff1dq/t\uff5bI:\u7535\u6d41\u5f3a\u5ea6(A\uff09\uff0cq:\u5728\u65f6\u95f4t\u5185\u901a\u8fc7\u5bfc\u4f53\u6a2a\u8f7d\u9762\u7684\u7535\u91cf(C\uff09\uff0ct:\u65f6\u95f4(s\uff09\uff5d ¬
2.\u6b27\u59c6\u5b9a\u5f8b\uff1aI\uff1dU/R \uff5bI:\u5bfc\u4f53\u7535\u6d41\u5f3a\u5ea6(A)\uff0cU:\u5bfc\u4f53\u4e24\u7aef\u7535\u538b(V)\uff0cR:\u5bfc\u4f53\u963b\u503c(\u03a9)\uff5d ¬
3.\u7535\u963b\u3001\u7535\u963b\u5b9a\u5f8b\uff1aR\uff1d\u03c1L/S\uff5b\u03c1:\u7535\u963b\u7387(\u03a9?m)\uff0cL:\u5bfc\u4f53\u7684\u957f\u5ea6(m)\uff0cS:\u5bfc\u4f53\u6a2a\u622a\u9762\u79ef(m2)\uff5d ¬
4.\u95ed\u5408\u7535\u8def\u6b27\u59c6\u5b9a\u5f8b\uff1aI\uff1dE/(r+R)\u6216E\uff1dIr+IR\u4e5f\u53ef\u4ee5\u662fE\uff1dU\u5185+U\u5916 ¬
\uff5bI:\u7535\u8def\u4e2d\u7684\u603b\u7535\u6d41(A)\uff0cE:\u7535\u6e90\u7535\u52a8\u52bf(V)\uff0cR:\u5916\u7535\u8def\u7535\u963b(\u03a9)\uff0cr:\u7535\u6e90\u5185\u963b(\u03a9)\uff5d ¬
5.\u7535\u529f\u4e0e\u7535\u529f\u7387\uff1aW\uff1dUIt\uff0cP\uff1dUI\uff5bW:\u7535\u529f(J)\uff0cU:\u7535\u538b(V)\uff0cI:\u7535\u6d41(A)\uff0ct:\u65f6\u95f4(s)\uff0cP:\u7535\u529f\u7387(W)\uff5d ¬
6.\u7126\u8033\u5b9a\u5f8b\uff1aQ\uff1dI2Rt\uff5bQ:\u7535\u70ed(J)\uff0cI:\u901a\u8fc7\u5bfc\u4f53\u7684\u7535\u6d41(A)\uff0cR:\u5bfc\u4f53\u7684\u7535\u963b\u503c(\u03a9)\uff0ct:\u901a\u7535\u65f6\u95f4(s)\uff5d ¬
7.\u7eaf\u7535\u963b\u7535\u8def\u4e2d:\u7531\u4e8eI\uff1dU/R,W\uff1dQ\uff0c\u56e0\u6b64W\uff1dQ\uff1dUIt\uff1dI2Rt\uff1dU2t/R ¬
8.\u7535\u6e90\u603b\u52a8\u7387\u3001\u7535\u6e90\u8f93\u51fa\u529f\u7387\u3001\u7535\u6e90\u6548\u7387\uff1aP\u603b\uff1dIE\uff0cP\u51fa\uff1dIU\uff0c\u03b7\uff1dP\u51fa/P\u603b\uff5bI:\u7535\u8def\u603b\u7535\u6d41(A)\uff0cE:\u7535\u6e90\u7535\u52a8\u52bf(V)\uff0cU:\u8def\u7aef\u7535\u538b(V)\uff0c\u03b7\uff1a\u7535\u6e90\u6548\u7387\uff5d ¬
9.\u7535\u8def\u7684\u4e32/\u5e76\u8054 \u4e32\u8054\u7535\u8def(P\u3001U\u4e0eR\u6210\u6b63\u6bd4) \u5e76\u8054\u7535\u8def(P\u3001I\u4e0eR\u6210\u53cd\u6bd4) ¬
\u7535\u963b\u5173\u7cfb(\u4e32\u540c\u5e76\u53cd) R\u4e32\uff1dR1+R2+R3+ 1/R\u5e76\uff1d1/R1+1/R2+1/R3+ ¬
\u7535\u6d41\u5173\u7cfb I\u603b\uff1dI1\uff1dI2\uff1dI3 I\u5e76\uff1dI1+I2+I3+ ¬
\u7535\u538b\u5173\u7cfb U\u603b\uff1dU1+U2+U3+ U\u603b\uff1dU1\uff1dU2\uff1dU3 ¬
\u529f\u7387\u5206\u914d P\u603b\uff1dP1+P2+P3+ P\u603b\uff1dP1+P2+P3+ ¬
10.\u6b27\u59c6\u8868\u6d4b\u7535\u963b ¬
(1)\u7535\u8def\u7ec4\u6210 (2)\u6d4b\u91cf\u539f\u7406 ¬
\u4e24\u8868\u7b14\u77ed\u63a5\u540e,\u8c03\u8282Ro\u4f7f\u7535\u8868\u6307\u9488\u6ee1\u504f\uff0c\u5f97 ¬
Ig\uff1dE/(r+Rg+Ro) ¬
\u63a5\u5165\u88ab\u6d4b\u7535\u963bRx\u540e\u901a\u8fc7\u7535\u8868\u7684\u7535\u6d41\u4e3a ¬
Ix\uff1dE/(r+Rg+Ro+Rx)\uff1dE/(R\u4e2d+Rx) ¬
\u7531\u4e8eIx\u4e0eRx\u5bf9\u5e94\uff0c\u56e0\u6b64\u53ef\u6307\u793a\u88ab\u6d4b\u7535\u963b\u5927\u5c0f ¬
(3)\u4f7f\u7528\u65b9\u6cd5:\u673a\u68b0\u8c03\u96f6\u3001\u9009\u62e9\u91cf\u7a0b\u3001\u6b27\u59c6\u8c03\u96f6\u3001\u6d4b\u91cf\u8bfb\u6570\uff5b\u6ce8\u610f\u6321\u4f4d(\u500d\u7387)\uff5d\u3001\u62e8off\u6321\u3002 ¬
(4)\u6ce8\u610f:\u6d4b\u91cf\u7535\u963b\u65f6\uff0c\u8981\u4e0e\u539f\u7535\u8def\u65ad\u5f00,\u9009\u62e9\u91cf\u7a0b\u4f7f\u6307\u9488\u5728\u4e2d\u592e\u9644\u8fd1,\u6bcf\u6b21\u6362\u6321\u8981\u91cd\u65b0\u77ed\u63a5\u6b27\u59c6\u8c03\u96f6\u3002 ¬
11.\u4f0f\u5b89\u6cd5\u6d4b\u7535\u963b ¬
\u7535\u6d41\u8868\u5185\u63a5\u6cd5\uff1a ¬
\u7535\u538b\u8868\u793a\u6570\uff1aU\uff1dUR+UA ¬
\u7535\u6d41\u8868\u5916\u63a5\u6cd5\uff1a ¬
\u7535\u6d41\u8868\u793a\u6570\uff1aI\uff1dIR+IV ¬
Rx\u7684\u6d4b\u91cf\u503c\uff1dU/I\uff1d(UA+UR)/IR\uff1dRA+Rx>R\u771f ¬
Rx\u7684\u6d4b\u91cf\u503c\uff1dU/I\uff1dUR/(IR+IV)\uff1dRVRx/(RV+R)<R\u771f ¬
\u9009\u7528\u7535\u8def\u6761\u4ef6Rx>>RA [\u6216Rx>(RARV)1/2] ¬
\u9009\u7528\u7535\u8def\u6761\u4ef6Rx<<RV [\u6216Rx<(RARV)1/2] ¬
12.\u6ed1\u52a8\u53d8\u963b\u5668\u5728\u7535\u8def\u4e2d\u7684\u9650\u6d41\u63a5\u6cd5\u4e0e\u5206\u538b\u63a5\u6cd5 ¬
\u9650\u6d41\u63a5\u6cd5 ¬
\u7535\u538b\u8c03\u8282\u8303\u56f4\u5c0f,\u7535\u8def\u7b80\u5355,\u529f\u8017\u5c0f ¬
\u4fbf\u4e8e\u8c03\u8282\u7535\u538b\u7684\u9009\u62e9\u6761\u4ef6Rp>Rx ¬
\u7535\u538b\u8c03\u8282\u8303\u56f4\u5927,\u7535\u8def\u590d\u6742,\u529f\u8017\u8f83\u5927 ¬
\u4fbf\u4e8e\u8c03\u8282\u7535\u538b\u7684\u9009\u62e9\u6761\u4ef6Rp<Rx ¬
\u6ce81)\u5355\u4f4d\u6362\u7b97\uff1a1A\uff1d103mA\uff1d106\u03bcA\uff1b1kV\uff1d103V\uff1d106mA\uff1b1M\u03a9\uff1d103k\u03a9\uff1d106\u03a9 ¬
(2)\u5404\u79cd\u6750\u6599\u7684\u7535\u963b\u7387\u90fd\u968f\u6e29\u5ea6\u7684\u53d8\u5316\u800c\u53d8\u5316,\u91d1\u5c5e\u7535\u963b\u7387\u968f\u6e29\u5ea6\u5347\u9ad8\u800c\u589e\u5927\uff1b ¬
(3)\u4e32\u8054\u603b\u7535\u963b\u5927\u4e8e\u4efb\u4f55\u4e00\u4e2a\u5206\u7535\u963b,\u5e76\u8054\u603b\u7535\u963b\u5c0f\u4e8e\u4efb\u4f55\u4e00\u4e2a\u5206\u7535\u963b\uff1b ¬
(4)\u5f53\u7535\u6e90\u6709\u5185\u963b\u65f6,\u5916\u7535\u8def\u7535\u963b\u589e\u5927\u65f6,\u603b\u7535\u6d41\u51cf\u5c0f,\u8def\u7aef\u7535\u538b\u589e\u5927\uff1b ¬
(5)\u5f53\u5916\u7535\u8def\u7535\u963b\u7b49\u4e8e\u7535\u6e90\u7535\u963b\u65f6,\u7535\u6e90\u8f93\u51fa\u529f\u7387\u6700\u5927,\u6b64\u65f6\u7684\u8f93\u51fa\u529f\u7387\u4e3aE2/(2r)\uff1b ¬
\u5341\u4e8c\u3001\u78c1\u573a ¬
1.\u78c1\u611f\u5e94\u5f3a\u5ea6\u662f\u7528\u6765\u8868\u793a\u78c1\u573a\u7684\u5f3a\u5f31\u548c\u65b9\u5411\u7684\u7269\u7406\u91cf,\u662f\u77e2\u91cf\uff0c\u5355\u4f4dT),1T\uff1d1N/A?m ¬
2.\u5b89\u57f9\u529bF\uff1dBIL\uff1b(\u6ce8\uff1aL\u22a5B) {B:\u78c1\u611f\u5e94\u5f3a\u5ea6(T),F:\u5b89\u57f9\u529b(F),I:\u7535\u6d41\u5f3a\u5ea6(A),L:\u5bfc\u7ebf\u957f\u5ea6(m)} ¬
3.\u6d1b\u4ed1\u5179\u529bf\uff1dqVB(\u6ce8V\u22a5B); \uff5bf:\u6d1b\u4ed1\u5179\u529b(N)\uff0cq:\u5e26\u7535\u7c92\u5b50\u7535\u91cf(C)\uff0cV:\u5e26\u7535\u7c92\u5b50\u901f\u5ea6(m/s)\uff5d ¬
4.\u5728\u91cd\u529b\u5ffd\u7565\u4e0d\u8ba1(\u4e0d\u8003\u8651\u91cd\u529b)\u7684\u60c5\u51b5\u4e0b,\u5e26\u7535\u7c92\u5b50\u8fdb\u5165\u78c1\u573a\u7684\u8fd0\u52a8\u60c5\u51b5(\u638c\u63e1\u4e24\u79cd)\uff1a ¬
\uff081\uff09\u5e26\u7535\u7c92\u5b50\u6cbf\u5e73\u884c\u78c1\u573a\u65b9\u5411\u8fdb\u5165\u78c1\u573a:\u4e0d\u53d7\u6d1b\u4ed1\u5179\u529b\u7684\u4f5c\u7528,\u505a\u5300\u901f\u76f4\u7ebf\u8fd0\u52a8V\uff1dV0 ¬
(2)\u5e26\u7535\u7c92\u5b50\u6cbf\u5782\u76f4\u78c1\u573a\u65b9\u5411\u8fdb\u5165\u78c1\u573a:\u505a\u5300\u901f\u5706\u5468\u8fd0\u52a8,\u89c4\u5f8b\u5982\u4e0ba)F\u5411\uff1df\u6d1b\uff1dmV2/r\uff1dm\u03c92r\uff1dmr(2\u03c0/T)2\uff1dqVB\uff1br\uff1dmV/qB\uff1bT\uff1d2\u03c0m/qB\uff1b(b)\u8fd0\u52a8\u5468\u671f\u4e0e\u5706\u5468\u8fd0\u52a8\u7684\u534a\u5f84\u548c\u7ebf\u901f\u5ea6\u65e0\u5173,\u6d1b\u4ed1\u5179\u529b\u5bf9\u5e26\u7535\u7c92\u5b50\u4e0d\u505a\u529f(\u4efb\u4f55\u60c5\u51b5\u4e0b)\uff1b(c)\u89e3\u9898\u5173\u952e:\u753b\u8f68\u8ff9\u3001\u627e\u5706\u5fc3\u3001\u5b9a\u534a\u5f84\u3001\u5706\u5fc3\u89d2\uff08\uff1d\u4e8c\u500d\u5f26\u5207\u89d2\uff09\u3002 ¬
\u6ce8\uff1a ¬
(1)\u5b89\u57f9\u529b\u548c\u6d1b\u4ed1\u5179\u529b\u7684\u65b9\u5411\u5747\u53ef\u7531\u5de6\u624b\u5b9a\u5219\u5224\u5b9a\uff0c\u53ea\u662f\u6d1b\u4ed1\u5179\u529b\u8981\u6ce8\u610f\u5e26\u7535\u7c92\u5b50\u7684\u6b63\u8d1f\uff1b ¬
\u5341\u4e09\u3001\u7535\u78c1\u611f\u5e94 ¬
1)E\uff1dn\u0394\u03a6/\u0394t\uff08\u666e\u9002\u516c\u5f0f\uff09\uff5b\u6cd5\u62c9\u7b2c\u7535\u78c1\u611f\u5e94\u5b9a\u5f8b\uff0cE\uff1a\u611f\u5e94\u7535\u52a8\u52bf(V)\uff0cn\uff1a\u611f\u5e94\u7ebf\u5708\u531d\u6570\uff0c\u0394\u03a6/\u0394t:\u78c1\u901a\u91cf\u7684\u53d8\u5316\u7387\uff5d ¬
2)E\uff1dBLV\u5782(\u5207\u5272\u78c1\u611f\u7ebf\u8fd0\u52a8) \uff5bL:\u6709\u6548\u957f\u5ea6(m)\uff5d ¬
3)Em\uff1dnBS\u03c9\uff08\u4ea4\u6d41\u53d1\u7535\u673a\u6700\u5927\u7684\u611f\u5e94\u7535\u52a8\u52bf\uff09 \uff5bEm:\u611f\u5e94\u7535\u52a8\u52bf\u5cf0\u503c\uff5d ¬
4)E\uff1dBL2\u03c9/2\uff08\u5bfc\u4f53\u4e00\u7aef\u56fa\u5b9a\u4ee5\u03c9\u65cb\u8f6c\u5207\u5272\uff09 \uff5b\u03c9:\u89d2\u901f\u5ea6(rad/s)\uff0cV:\u901f\u5ea6(m/s)\uff5d ¬
2.\u78c1\u901a\u91cf\u03a6\uff1dBS {\u03a6:\u78c1\u901a\u91cf(Wb),B:\u5300\u5f3a\u78c1\u573a\u7684\u78c1\u611f\u5e94\u5f3a\u5ea6(T),S:\u6b63\u5bf9\u9762\u79ef(m2)} ¬
3.\u611f\u5e94\u7535\u52a8\u52bf\u7684\u6b63\u8d1f\u6781\u53ef\u5229\u7528\u611f\u5e94\u7535\u6d41\u65b9\u5411\u5224\u5b9a\uff5b\u7535\u6e90\u5185\u90e8\u7684\u7535\u6d41\u65b9\u5411\uff1a\u7531\u8d1f\u6781\u6d41\u5411\u6b63\u6781\uff5d ¬
\u5341\u56db\u3001\u4ea4\u53d8\u7535\u6d41\uff08\u6b63\u5f26\u5f0f\u4ea4\u53d8\u7535\u6d41\uff09 ¬
1.\u7535\u538b\u77ac\u65f6\u503ce\uff1dEmsin\u03c9t \u7535\u6d41\u77ac\u65f6\u503ci\uff1dImsin\u03c9t\uff1b(\u03c9\uff1d2\u03c0f) ¬
2.\u7535\u52a8\u52bf\u5cf0\u503cEm\uff1dnBS\u03c9\uff1d2BLv \u7535\u6d41\u5cf0\u503c(\u7eaf\u7535\u963b\u7535\u8def\u4e2d)Im\uff1dEm/R\u603b ¬
3.\u6b63(\u4f59)\u5f26\u5f0f\u4ea4\u53d8\u7535\u6d41\u6709\u6548\u503c\uff1aE\uff1dEm/(2)1/2\uff1bU\uff1dUm/(2)1/2 \uff1bI\uff1dIm/(2)1/2 ¬
4.\u7406\u60f3\u53d8\u538b\u5668\u539f\u526f\u7ebf\u5708\u4e2d\u7684\u7535\u538b\u4e0e\u7535\u6d41\u53ca\u529f\u7387\u5173\u7cfb ¬
U1/U2\uff1dn1/n2\uff1b I1/I2\uff1dn2/n2\uff1b P\u5165\uff1dP\u51fa ¬
5.\u5728\u8fdc\u8ddd\u79bb\u8f93\u7535\u4e2d,\u91c7\u7528\u9ad8\u538b\u8f93\u9001\u7535\u80fd\u53ef\u4ee5\u51cf\u5c11\u7535\u80fd\u5728\u8f93\u7535\u7ebf\u4e0a\u7684\u635f\u5931\u635f\u2032\uff1d(P/U)2R\uff1b\uff08P\u635f\u2032:\u8f93\u7535\u7ebf\u4e0a\u635f\u5931\u7684\u529f\u7387\uff0cP:\u8f93\u9001\u7535\u80fd\u7684\u603b\u529f\u7387\uff0cU:\u8f93\u9001\u7535\u538b\uff0cR:\u8f93\u7535\u7ebf\u7535\u963b\uff09 ¬
6.\u516c\u5f0f1\u30012\u30013\u30014\u4e2d\u7269\u7406\u91cf\u53ca\u5355\u4f4d\uff1a\u03c9:\u89d2\u9891\u7387(rad/s)\uff1bt:\u65f6\u95f4(s)\uff1bn:\u7ebf\u5708\u531d\u6570\uff1bB:\u78c1\u611f\u5f3a\u5ea6(T)\uff1b ¬
S:\u7ebf\u5708\u7684\u9762\u79ef(m2)\uff1bU\u8f93\u51fa)\u7535\u538b(V)\uff1bI:\u7535\u6d41\u5f3a\u5ea6(A)\uff1bP:\u529f\u7387(W)\u3002 ¬
\u6ce8: ¬
(1)\u4ea4\u53d8\u7535\u6d41\u7684\u53d8\u5316\u9891\u7387\u4e0e\u53d1\u7535\u673a\u4e2d\u7ebf\u5708\u7684\u8f6c\u52a8\u7684\u9891\u7387\u76f8\u540c\u5373:\u03c9\u7535\uff1d\u03c9\u7ebf\uff0cf\u7535\uff1df\u7ebf\uff1b ¬
(2)\u53d1\u7535\u673a\u4e2d,\u7ebf\u5708\u5728\u4e2d\u6027\u9762\u4f4d\u7f6e\u78c1\u901a\u91cf\u6700\u5927,\u611f\u5e94\u7535\u52a8\u52bf\u4e3a\u96f6,\u8fc7\u4e2d\u6027\u9762\u7535\u6d41\u65b9\u5411\u5c31\u6539\u53d8\uff1b ¬
(3)\u6709\u6548\u503c\u662f\u6839\u636e\u7535\u6d41\u70ed\u6548\u5e94\u5b9a\u4e49\u7684,\u6ca1\u6709\u7279\u522b\u8bf4\u660e\u7684\u4ea4\u6d41\u6570\u503c\u90fd\u6307\u6709\u6548\u503c\uff1b ¬
(4)\u7406\u60f3\u53d8\u538b\u5668\u7684\u531d\u6570\u6bd4\u4e00\u5b9a\u65f6,\u8f93\u51fa\u7535\u538b\u7531\u8f93\u5165\u7535\u538b\u51b3\u5b9a,\u8f93\u5165\u7535\u6d41\u7531\u8f93\u51fa\u7535\u6d41\u51b3\u5b9a\uff0c\u8f93\u5165\u529f\u7387\u7b49\u4e8e\u8f93\u51fa\u529f\u7387,\u5f53\u8d1f\u8f7d\u7684\u6d88\u8017\u7684\u529f\u7387\u589e\u5927\u65f6\u8f93\u5165\u529f\u7387\u4e5f\u589e\u5927\uff0c\u5373P\u51fa\u51b3\u5b9aP\u5165\uff1b ¬
一个模型：匀速圆周运动：圆心和半径
两个力：万有引力，向心力
三个公式：向心力与线速度、角速度、周期
两个辅助公式：T^2/R^3=K和GM=gr^2
你想去背诵啊？物理没有这么学的。你只要把mg（这个是受重力），mv²/r（这是圆周运动力），掌握这两个和万有引力定律关系，你就很牛逼了。如果还想高深，只需要扩展到开普勒行星运动定律。
没必要死记公式，抓住一个万有引力作为向心力即可。GMm/R^2=mv^2/R=mw^2R=m*(4π^2/T^2)*R
绛旓細4.鍗槦缁曡閫熷害銆佽閫熷害銆佸懆鏈:V=(GM/r)1/2;蠅=(GM/r3)1/2;T=2蟺(r3/GM)1/2{M:涓績澶╀綋璐ㄩ噺} 5.绗竴(浜銆佷笁)瀹囧畽閫熷害V1=(g鍦皉鍦)1/2=(GM/r鍦)1/2=7.9km/s;V2=11.2km/s;V3=16.7km/s 6.鍦扮悆鍚屾鍗槦GMm/(r鍦+h)2=m4蟺2(r鍦+h)/T2{h鈮36000km,h:璺濆湴鐞冭〃闈㈢殑楂樺害,r鍦:...
绛旓細鐢垫祦I=Q/t锛圦涓虹數閲忥級鐢甸樆R=U/I锛圧璺烾銆両鏃犲叧锛岀敱瀹冧滑姣斿兼潵鍐冲畾锛夋濮嗗畾寰婭=U/R 鐢靛姛W=UIt=I^2Rt=U^2/R t W=Pt W=QU 锛圦涓虹數閲忥紝涓嶆槸鐑噺锛夌數鍔熺巼P=UI=I^2R=U^2/R 閲戝睘銆佺數瑙ｆ恫绛夊浣撳鐢垫椂锛屾墠鑳界敤P=I^2R=U^2/R璁＄畻鐢靛姛鐜囥侾=W/t 鐒﹁冲畾寰婹=I^2Rt锛堟櫘閫氶傜敤锛...
绛旓細5.V=鈭欸M/r²锛堚垰 琛ㄧず鐨勬槸鏍瑰彿锛岀鍙蜂笉浼氭墦锛屽皢灏辩湅涓嬪惂锛6.瑙掗熷害=鈭欸M/r^3 7.T=2蟺鈭歳^3/GM 8.榛勯噾浠ｆ崲:GM=gr²9.M=4蟺²r^3/GT²10.蟻鎺ㄥ杩囩▼:蟻=M/V=4蟺²r^3/GT²/4/3蟺*r=3蟺/GT²澶ц嚧涓婁篃鏄繖浜,鏍规嵁棰樼洰浠鍏紡.PS:1....
绛旓細锛4锛夐噸鍔涘仛鍔熷拰鐢靛満鍔涘仛鍔熷潎涓庤矾寰勬棤鍏筹紙瑙2銆3涓ゅ紡锛夛紱锛5锛夋満姊拌兘瀹堟亽鎴愮珛鏉′欢锛氶櫎閲嶅姏锛堝脊鍔涳級澶栧叾瀹冨姏涓嶅仛鍔燂紝鍙槸鍔ㄨ兘鍜屽娍鑳戒箣闂寸殑杞寲锛(6)鑳界殑鍏跺畠鍗曚綅鎹㈢畻:1kWh(搴)锛3.6脳106J锛1eV锛1.60脳10-19J锛*锛7锛夊脊绨у脊鎬у娍鑳紼锛漦x2/2锛屼笌鍔插害绯绘暟鍜屽舰鍙橀噺鏈夊叧銆傝繖鏄蹇呬慨浜鐨勬墍鏈鍏紡...
绛旓細a涓嶸o鍚屽悜(鍔犻)a>0锛涘弽鍚戝垯a<0锝 8.瀹為獙鐢ㄦ帹璁何攕锛漚T2 锝浳攕涓鸿繛缁浉閭荤浉绛夋椂闂(T)鍐呬綅绉讳箣宸綕 9.涓昏鐗╃悊閲忓強鍗曚綅:鍒濋熷害(Vo):m/s锛涘姞閫熷害(a):m/s2锛涙湯閫熷害(Vt):m/s锛涙椂闂(t)绉(s)锛涗綅绉(s):绫筹紙m锛夛紱璺▼:绫筹紱閫熷害鍗曚綅鎹㈢畻锛1m/s=3.6km/h銆 娉細 (1)骞冲潎閫熷害鏄...
绛旓細姒傚康锛堝畾涔夊拰浼忔帢鐩稿叧鍏紡锛1锛 浣嶇疆鐭㈤噺锛氫竴涓煝閲忥紝鍏跺湪鐩磋鍧愭爣绯讳腑鐢变笁涓垎閲忚〃绀猴紝鍒嗗埆涓簒銆亂銆亃銆傝浣嶇疆锛毼 2锛 閫熷害锛氫綅绉婚殢鏃堕棿鐨勫彉鍖栫巼锛屽钩鍧囬熷害=\(\bar{v} = \frac{\Delta x}{\Delta t}\)锛岄熺巼锛氶熷害鐨勫ぇ灏忋傦紙瑙掗熷害锛氱墿浣撳崟浣嶆椂闂村唴缁曟煇涓杞存棆杞殑瑙掑害锛岃閫熷害涓庨熷害鐨...
绛旓細楂樹竴鐗╃悊鍏紡鎬荤粨 涓銆佽川鐐圭殑杩愬姩锛1锛---鐩寸嚎杩愬姩 1锛夊寑鍙橀熺洿绾胯繍鍔 1.骞冲潎閫熷害V骞=S/t 锛堝畾涔夊紡锛 2.鏈夌敤鎺ㄨVt^2 鈥揤o^2=2as 3.涓棿鏃跺埢閫熷害 Vt/2=V骞=(Vt+Vo)/2 4.鏈熷害Vt=Vo+at 5.涓棿浣嶇疆閫熷害Vs/2=[(Vo^2 +Vt^2)/2]1/2 6.浣嶇ЩS= V骞硉=Vot + at^2/2=Vt/...
绛旓細涓囨湁寮曞姏F = GMm / R^2 绾块熷害v = w*r 鍛ㄦ湡T = 2pi*R/ v 锛涘悜蹇冨姏鍏紡锛欶 = mv^2/R = mRw^2 = mv w 鍚戝績鍔犻熷害锛歛 = v^2/R = Rw^2 = v w 鍗槦杩愬姩锛屼竾鏈夊紩鍔涙彁渚涘悜蹇冨姏锛屽父鐢ㄧ殑绛夊紡锛欸Mm / R^2 = mv^2/R = mRw^2 = mR(2pi/T)^2 鏍规嵁杩欎袱涓瓑寮忓彲寰...
绛旓細涓囨湁寮曞姏鏄敱浜庣墿浣撳叿鏈夎川閲忚屽湪鐗╀綋涔嬮棿浜х敓鐨勪竴绉嶇浉浜掍綔鐢ㄣ傚畠鐨勫ぇ灏忓拰鐗╀綋鐨勮川閲忎互鍙婁袱涓墿浣撲箣闂寸殑璺濈鏈夊叧銆傜墿浣撶殑璐ㄩ噺瓒婂ぇ锛屽畠浠箣闂寸殑涓囨湁寮曞姏灏辫秺澶э紱鐗╀綋涔嬮棿鐨勮窛绂昏秺杩滐紝瀹冧滑涔嬮棿鐨勪竾鏈夊紩鍔涘氨瓒婂皬銆備袱涓彲鐪嬩綔璐ㄧ偣鐨勭墿浣撲箣闂寸殑涓囨湁寮曞姏锛屽彲浠ョ敤浠ヤ笅鍏紡璁＄畻锛欶锛滸mM/r^2,鍗 涓囨湁寮曞姏绛変簬...
绛旓細瀛﹀ソ鐗╃悊寰堥噸瑕佺殑涓鐐逛簨瑕佽鐔熶紬澶氱殑鐗╃悊鍏紡,鑰岄珮涓鐨勬柊鐢熶滑寰堥毦鍐嶆鏃堕棿鍐呰浣忚繖涔堝鐨勭墿鐞嗗叕寮,涓嬮潰鎴戠粰澶у鍒嗕韩涓浜 楂樹竴鐗╃悊 鐨勫叕寮 鎬荤粨 ,甯屾湜鑳藉甯姪澶у,娆㈣繋闃呰! 楂樹竴鐗╃悊鐨勫叕寮1 涓銆佽嚜鐢辫惤浣撹繍鍔ㄥ叕寮忔荤粨 1.鍒濋熷害Vo=0 2.鏈熷害Vt=gt 3.涓嬭惤楂樺害h=gt2/2(浠嶸o浣嶇疆鍚戜笅璁＄畻) 4.鎺ㄨVt2=2gh ...
