高中物理必修2公式 必修2物理公式大全
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2\u3001\u4e2d\u95f4\u65f6\u523b\u901f\u5ea6Vt/2=V\u5e73=(Vt+Vo)/2
3\u3001\u672b\u901f\u5ea6Vt=Vo+at\u3000\u3000
4\u3001\u5e73\u629b\u8fd0\u52a8\uff1a\u5408\u901f\u5ea6Vt=(Vx2+Vy2)1/2=[Vo2+(gt)2]1/2\u3000\u3000
5\u3001\u5408\u901f\u5ea6\u65b9\u5411\u4e0e\u6c34\u5e73\u5939\u89d2\u03b2: tg\u03b2=Vy/Vx=gt/V0\u3000\u3000
6\u3001\u5300\u901f\u5706\u5468\u8fd0\u52a8 \uff1a\u3000\u3000
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8\u3001\u9759\u7535\u529b\uff1aF=kQ1Q2/r2 (k=9.0\u00d7109N*m2/C2,\u65b9\u5411\u5728\u5b83\u4eec\u7684\u8fde\u7ebf\u4e0a)\u3000\u3000
9\u3001\u5b89\u57f9\u529b\uff1aF=BILsin\u03b8 (\u03b8\u4e3aB\u4e0eL\u7684\u5939\u89d2\uff0c\u5f53L\u22a5B\u65f6:F=BIL\uff0cB//L\u65f6:F=0)
10\u3001\u6d1b\u4ed1\u5179\u529bf=qVBsin\u03b8 (\u03b8\u4e3aB\u4e0eV\u7684\u5939\u89d2\uff0c\u5f53V\u22a5B\u65f6\uff1af=qVB\uff0cV//B\u65f6:f=0)
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1\uff09\u5300\u53d8\u901f\u76f4\u7ebf\u8fd0\u52a8\uff1a
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3.\u4e2d\u95f4\u65f6\u523b\u901f\u5ea6Vt/2\uff1d \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\u79fb
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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2)\u81ea\u7531\u843d\u4f53\u8fd0\u52a8
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3.\u4e0b\u843d\u9ad8\u5ea6h\uff1dgt2/2\uff08\u4eceVo\u4f4d\u7f6e\u5411\u4e0b\u8ba1\u7b97\uff09 4.\u63a8\u8bbaVt2\uff1d2gh
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(1)\u5168\u8fc7\u7a0b\u5904\u7406:\u662f\u5300\u51cf\u901f\u76f4\u7ebf\u8fd0\u52a8\uff0c\u4ee5\u5411\u4e0a\u4e3a\u6b63\u65b9\u5411\uff0c\u52a0\u901f\u5ea6\u53d6\u8d1f\u503c\uff1b
(2)\u5206\u6bb5\u5904\u7406\uff1a\u5411\u4e0a\u4e3a\u5300\u51cf\u901f\u76f4\u7ebf\u8fd0\u52a8\uff0c\u5411\u4e0b\u4e3a\u81ea\u7531\u843d\u4f53\u8fd0\u52a8\uff0c\u5177\u6709\u5bf9\u79f0\u6027\uff1b
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1)\u5e73\u629b\u8fd0\u52a8
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3.\u6c34\u5e73\u65b9\u5411\u4f4d\u79fb\uff1ax\uff1dVot 4.\u7ad6\u76f4\u65b9\u5411\u4f4d\u79fb\uff1ay\uff1dgt2/2
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6.\u5408\u901f\u5ea6Vt\uff1d(Vx2+Vy2)1/2\uff1d[Vo2+(gt)2]1/2
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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)
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3)\u4e07\u6709\u5f15\u529b
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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1\uff09\u5e38\u89c1\u7684\u529b
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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
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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
\u6ce8:
(1)\u52b2\u5ea6\u7cfb\u6570k\u7531\u5f39\u7c27\u81ea\u8eab\u51b3\u5b9a;
(2)\u6469\u64e6\u56e0\u6570\u03bc\u4e0e\u538b\u529b\u5927\u5c0f\u53ca\u63a5\u89e6\u9762\u79ef\u5927\u5c0f\u65e0\u5173\uff0c\u7531\u63a5\u89e6\u9762\u6750\u6599\u7279\u6027\u4e0e\u8868\u9762\u72b6\u51b5\u7b49\u51b3\u5b9a;
(3)fm\u7565\u5927\u4e8e\u03bcFN\uff0c\u4e00\u822c\u89c6\u4e3afm\u2248\u03bcFN;
(4)\u5176\u5b83\u76f8\u5173\u5185\u5bb9\uff1a\u9759\u6469\u64e6\u529b\uff08\u5927\u5c0f\u3001\u65b9\u5411\uff09\u3014\u89c1\u7b2c\u4e00\u518cP8\u3015\uff1b
(5)\u7269\u7406\u91cf\u7b26\u53f7\u53ca\u5355\u4f4dB\uff1a\u78c1\u611f\u5f3a\u5ea6(T)\uff0cL\uff1a\u6709\u6548\u957f\u5ea6(m)\uff0c
I:\u7535\u6d41\u5f3a\u5ea6(A)\uff0cV\uff1a\u5e26\u7535\u7c92\u5b50\u901f\u5ea6(m/s),q:\u5e26\u7535\u7c92\u5b50\uff08\u5e26\u7535\u4f53\uff09\u7535\u91cf(C);
(6)\u5b89\u57f9\u529b\u4e0e\u6d1b\u4ed1\u5179\u529b\u65b9\u5411\u5747\u7528\u5de6\u624b\u5b9a\u5219\u5224\u5b9a\u3002
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
\u6ce8\uff1a
(1)\u529b(\u77e2\u91cf)\u7684\u5408\u6210\u4e0e\u5206\u89e3\u9075\u5faa\u5e73\u884c\u56db\u8fb9\u5f62\u5b9a\u5219;
\uff082\uff09\u5408\u529b\u4e0e\u5206\u529b\u7684\u5173\u7cfb\u662f\u7b49\u6548\u66ff\u4ee3\u5173\u7cfb,\u53ef\u7528\u5408\u529b\u66ff\u4ee3\u5206\u529b\u7684\u5171\u540c\u4f5c\u7528,\u53cd\u4e4b\u4e5f\u6210\u7acb;
(3)\u9664\u516c\u5f0f\u6cd5\u5916\uff0c\u4e5f\u53ef\u7528\u4f5c\u56fe\u6cd5\u6c42\u89e3,\u6b64\u65f6\u8981\u9009\u62e9\u6807\u5ea6,\u4e25\u683c\u4f5c\u56fe;
(4)F1\u4e0eF2\u7684\u503c\u4e00\u5b9a\u65f6,F1\u4e0eF2\u7684\u5939\u89d2(\u03b1\u89d2)\u8d8a\u5927\uff0c\u5408\u529b\u8d8a\u5c0f;
\uff085\uff09\u540c\u4e00\u76f4\u7ebf\u4e0a\u529b\u7684\u5408\u6210\uff0c\u53ef\u6cbf\u76f4\u7ebf\u53d6\u6b63\u65b9\u5411\uff0c\u7528\u6b63\u8d1f\u53f7\u8868\u793a\u529b\u7684\u65b9\u5411\uff0c\u5316\u7b80\u4e3a\u4ee3\u6570\u8fd0\u7b97\u3002
\u56db\u3001\u52a8\u529b\u5b66\uff08\u8fd0\u52a8\u548c\u529b\uff09
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
5.\u8d85\u91cd\uff1aFN>G\uff0c\u5931\u91cd\uff1aFN<G {\u52a0\u901f\u5ea6\u65b9\u5411\u5411\u4e0b\uff0c\u5747\u5931\u91cd\uff0c\u52a0\u901f\u5ea6\u65b9\u5411\u5411\u4e0a\uff0c\u5747\u8d85\u91cd}
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\u3014\u89c1\u7b2c\u4e00\u518cP67\u3015
\u6ce8:\u5e73\u8861\u72b6\u6001\u662f\u6307\u7269\u4f53\u5904\u4e8e\u9759\u6b62\u6216\u5300\u901f\u76f4\u7ebf\u72b6\u6001,\u6216\u8005\u662f\u5300\u901f\u8f6c\u52a8\u3002
\u4e94\u3001\u632f\u52a8\u548c\u6ce2\uff08\u673a\u68b0\u632f\u52a8\u4e0e\u673a\u68b0\u632f\u52a8\u7684\u4f20\u64ad\uff09
1.\u7b80\u8c10\u632f\u52a8F\uff1d-kx {F:\u56de\u590d\u529b\uff0ck:\u6bd4\u4f8b\u7cfb\u6570\uff0cx:\u4f4d\u79fb\uff0c\u8d1f\u53f7\u8868\u793aF\u7684\u65b9\u5411\u4e0ex\u59cb\u7ec8\u53cd\u5411}
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
3.\u53d7\u8feb\u632f\u52a8\u9891\u7387\u7279\u70b9\uff1af\uff1df\u9a71\u52a8\u529b
4.\u53d1\u751f\u5171\u632f\u6761\u4ef6:f\u9a71\u52a8\u529b\uff1df\u56fa\uff0cA\uff1dmax\uff0c\u5171\u632f\u7684\u9632\u6b62\u548c\u5e94\u7528\u3014\u89c1\u7b2c\u4e00\u518cP175\u3015
5.\u673a\u68b0\u6ce2\u3001\u6a2a\u6ce2\u3001\u7eb5\u6ce2\u3014\u89c1\u7b2c\u4e8c\u518cP2\u3015
6.\u6ce2\u901fv\uff1ds/t\uff1d\u03bbf\uff1d\u03bb/T{\u6ce2\u4f20\u64ad\u8fc7\u7a0b\u4e2d\uff0c\u4e00\u4e2a\u5468\u671f\u5411\u524d\u4f20\u64ad\u4e00\u4e2a\u6ce2\u957f\uff1b\u6ce2\u901f\u5927\u5c0f\u7531\u4ecb\u8d28\u672c\u8eab\u6240\u51b3\u5b9a}
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)
10.\u591a\u666e\u52d2\u6548\u5e94:\u7531\u4e8e\u6ce2\u6e90\u4e0e\u89c2\u6d4b\u8005\u95f4\u7684\u76f8\u4e92\u8fd0\u52a8\uff0c\u5bfc\u81f4\u6ce2\u6e90\u53d1\u5c04\u9891\u7387\u4e0e\u63a5\u6536\u9891\u7387\u4e0d\u540c\uff5b\u76f8\u4e92\u63a5\u8fd1\uff0c\u63a5\u6536\u9891\u7387\u589e\u5927\uff0c\u53cd\u4e4b\uff0c\u51cf\u5c0f\u3014\u89c1\u7b2c\u4e8c\u518cP21\u3015\uff5d
\u6ce8\uff1a
\uff081\uff09\u7269\u4f53\u7684\u56fa\u6709\u9891\u7387\u4e0e\u632f\u5e45\u3001\u9a71\u52a8\u529b\u9891\u7387\u65e0\u5173\uff0c\u53d6\u51b3\u4e8e\u632f\u52a8\u7cfb\u7edf\u672c\u8eab\uff1b
\uff082\uff09\u52a0\u5f3a\u533a\u662f\u6ce2\u5cf0\u4e0e\u6ce2\u5cf0\u6216\u6ce2\u8c37\u4e0e\u6ce2\u8c37\u76f8\u9047\u5904\uff0c\u51cf\u5f31\u533a\u5219\u662f\u6ce2\u5cf0\u4e0e\u6ce2\u8c37\u76f8\u9047\u5904\uff1b
\uff083\uff09\u6ce2\u53ea\u662f\u4f20\u64ad\u4e86\u632f\u52a8\uff0c\u4ecb\u8d28\u672c\u8eab\u4e0d\u968f\u6ce2\u53d1\u751f\u8fc1\u79fb,\u662f\u4f20\u9012\u80fd\u91cf\u7684\u4e00\u79cd\u65b9\u5f0f\uff1b
\uff084\uff09\u5e72\u6d89\u4e0e\u884d\u5c04\u662f\u6ce2\u7279\u6709\u7684\uff1b
(5)\u632f\u52a8\u56fe\u8c61\u4e0e\u6ce2\u52a8\u56fe\u8c61\uff1b
(6)\u5176\u5b83\u76f8\u5173\u5185\u5bb9\uff1a\u8d85\u58f0\u6ce2\u53ca\u5176\u5e94\u7528\u3014\u89c1\u7b2c\u4e8c\u518cP22\u3015/\u632f\u52a8\u4e2d\u7684\u80fd\u91cf\u8f6c\u5316\u3014\u89c1\u7b2c\u4e00\u518cP173\u3015\u3002
\u516d\u3001\u51b2\u91cf\u4e0e\u52a8\u91cf(\u7269\u4f53\u7684\u53d7\u529b\u4e0e\u52a8\u91cf\u7684\u53d8\u5316\uff09
1.\u52a8\u91cf\uff1ap\uff1dmv \uff5bp:\u52a8\u91cf(kg/s)\uff0cm:\u8d28\u91cf(kg)\uff0cv:\u901f\u5ea6(m/s)\uff0c\u65b9\u5411\u4e0e\u901f\u5ea6\u65b9\u5411\u76f8\u540c\uff5d
3.\u51b2\u91cf\uff1aI\uff1dFt \uff5bI:\u51b2\u91cf(N?s)\uff0cF:\u6052\u529b(N)\uff0ct:\u529b\u7684\u4f5c\u7528\u65f6\u95f4(s)\uff0c\u65b9\u5411\u7531F\u51b3\u5b9a\uff5d
4.\u52a8\u91cf\u5b9a\u7406\uff1aI\uff1d\u0394p\u6216Ft\uff1dmvt\u2013mvo {\u0394p:\u52a8\u91cf\u53d8\u5316\u0394p\uff1dmvt\u2013mvo\uff0c\u662f\u77e2\u91cf\u5f0f}
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
6.\u5f39\u6027\u78b0\u649e\uff1a\u0394p\uff1d0\uff1b\u0394Ek\uff1d0 {\u5373\u7cfb\u7edf\u7684\u52a8\u91cf\u548c\u52a8\u80fd\u5747\u5b88\u6052}
7.\u975e\u5f39\u6027\u78b0\u649e\u0394p\uff1d0\uff1b0<\u0394EK<\u0394EKm {\u0394EK\uff1a\u635f\u5931\u7684\u52a8\u80fd\uff0cEKm\uff1a\u635f\u5931\u7684\u6700\u5927\u52a8\u80fd}
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)
10.\u75319\u5f97\u7684\u63a8\u8bba-----\u7b49\u8d28\u91cf\u5f39\u6027\u6b63\u78b0\u65f6\u4e8c\u8005\u4ea4\u6362\u901f\u5ea6(\u52a8\u80fd\u5b88\u6052\u3001\u52a8\u91cf\u5b88\u6052)
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
E\u635f=mvo2/2-(M+m)vt2/2\uff1dfs\u76f8\u5bf9 {vt:\u5171\u540c\u901f\u5ea6\uff0cf:\u963b\u529b\uff0cs\u76f8\u5bf9\u5b50\u5f39\u76f8\u5bf9\u957f\u6728\u5757\u7684\u4f4d\u79fb}
\u6ce8\uff1a
(1)\u6b63\u78b0\u53c8\u53eb\u5bf9\u5fc3\u78b0\u649e\uff0c\u901f\u5ea6\u65b9\u5411\u5728\u5b83\u4eec\u201c\u4e2d\u5fc3\u201d\u7684\u8fde\u7ebf\u4e0a;
(2)\u4ee5\u4e0a\u8868\u8fbe\u5f0f\u9664\u52a8\u80fd\u5916\u5747\u4e3a\u77e2\u91cf\u8fd0\u7b97,\u5728\u4e00\u7ef4\u60c5\u51b5\u4e0b\u53ef\u53d6\u6b63\u65b9\u5411\u5316\u4e3a\u4ee3\u6570\u8fd0\u7b97;
\uff083\uff09\u7cfb\u7edf\u52a8\u91cf\u5b88\u6052\u7684\u6761\u4ef6:\u5408\u5916\u529b\u4e3a\u96f6\u6216\u7cfb\u7edf\u4e0d\u53d7\u5916\u529b\uff0c\u5219\u7cfb\u7edf\u52a8\u91cf\u5b88\u6052\uff08\u78b0\u649e\u95ee\u9898\u3001\u7206\u70b8\u95ee\u9898\u3001\u53cd\u51b2\u95ee\u9898\u7b49\uff09;
(4)\u78b0\u649e\u8fc7\u7a0b(\u65f6\u95f4\u6781\u77ed\uff0c\u53d1\u751f\u78b0\u649e\u7684\u7269\u4f53\u6784\u6210\u7684\u7cfb\u7edf)\u89c6\u4e3a\u52a8\u91cf\u5b88\u6052,\u539f\u5b50\u6838\u8870\u53d8\u65f6\u52a8\u91cf\u5b88\u6052;
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3.\u7535\u573a\u529b\u505a\u529f\uff1aWab\uff1dqUab \uff5bq:\u7535\u91cf\uff08C\uff09\uff0cUab:a\u4e0eb\u4e4b\u95f4\u7535\u52bf\u5dee(V)\u5373Uab\uff1d\u03c6a\uff0d\u03c6b\uff5d
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9.\u7126\u8033\u5b9a\u5f8b\uff1aQ\uff1dI2Rt \uff5bQ:\u7535\u70ed(J)\uff0cI:\u7535\u6d41\u5f3a\u5ea6(A)\uff0cR:\u7535\u963b\u503c(\u03a9)\uff0ct:\u901a\u7535\u65f6\u95f4(s)\uff5d
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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\u3014\u89c1\u7b2c\u4e8c\u518cP40\u3015\uff5d
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\u6ce8:
(1)\u7406\u60f3\u6c14\u4f53\u7684\u5185\u80fd\u4e0e\u7406\u60f3\u6c14\u4f53\u7684\u4f53\u79ef\u65e0\u5173,\u4e0e\u6e29\u5ea6\u548c\u7269\u8d28\u7684\u91cf\u6709\u5173\uff1b
(2)\u516c\u5f0f3\u6210\u7acb\u6761\u4ef6\u5747\u4e3a\u4e00\u5b9a\u8d28\u91cf\u7684\u7406\u60f3\u6c14\u4f53\uff0c\u4f7f\u7528\u516c\u5f0f\u65f6\u8981\u6ce8\u610f\u6e29\u5ea6\u7684\u5355\u4f4d\uff0ct\u4e3a\u6444\u6c0f\u6e29\u5ea6(\u2103)\uff0c\u800cT\u4e3a\u70ed\u529b\u5b66\u6e29\u5ea6(K)\u3002
\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
\u5e38\u89c1\u7535\u5bb9\u5668\u3014\u89c1\u7b2c\u4e8c\u518cP111\u3015
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
(8)\u5176\u5b83\u76f8\u5173\u5185\u5bb9\uff1a\u9759\u7535\u5c4f\u853d\u3014\u89c1\u7b2c\u4e8c\u518cP101\u3015/\u793a\u6ce2\u7ba1\u3001\u793a\u6ce2\u5668\u53ca\u5176\u5e94\u7528\u3014\u89c1\u7b2c\u4e8c\u518cP114
\u3015\u7b49\u52bf\u9762\u3014\u89c1\u7b2c\u4e8c\u518cP105\u3015\u3002
\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\u6d41\u8868\u5916\u63a5\u6cd5\uff1a
\u7535\u538b\u8868\u793a\u6570\uff1aU\uff1dUR+UA \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
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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)}
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1.[\u611f\u5e94\u7535\u52a8\u52bf\u7684\u5927\u5c0f\u8ba1\u7b97\u516c\u5f0f]
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
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1.\u7535\u538b\u77ac\u65f6\u503ce\uff1dEmsin\u03c9t \u7535\u6d41\u77ac\u65f6\u503ci\uff1dImsin\u03c9t\uff1b(\u03c9\uff1d2\u03c0f)
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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
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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:P\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\u3014\u89c1\u7b2c\u4e8c\u518cP198\u3015\uff1b
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
X=v0t (1/2)at^2
2ax=v^2-v0^2
V(平均速度）=x/t=(1/2)(v0 v)
Xm-Xn=(m-n)aT^2
自由落体运动：v=gt
H=(1/2)gt^2
V^2=2gh
牛犊第二定律：F=ma
胡克定律：f=-kx
滑动摩擦力：Ff=缪Fn(缪是摩擦因数，符号我打不出来）
互成角度的二力的合成：F=根号下（F1^2 Fe^2 2F1F2cos@)
Tan@=(F2sin@)/(F1 F2cos@)
平抛运动：Vx=V0
Vy=gt
V合=根号下（Vx^2 Vy^2)=根号下（V0^2 (gt)^2)
速度的正切值=Vx/Vy=gtGV0
X=V0t
Y=(1/2)gt^2
S=根号下（x^2 y^2)=根号下［（V0t)^2 (<1/2>gt^2)^2
位移的正切值=y/x=gt/2V0
竖直抛体运动：Vt=V0±gt
X=V0t±(1/2)gt^2
Vt^2=V0^2±2gh
圆周运动：v=s/t=2派r/T
w=角度／t=2派／T=2派f
V=wr
T=2派r/v=2派／w
T=1/f
向心力：F=mv^2/r=mw^2r=m4派^2r/T^2=m4派^2f^2r
功：W=Fscosa
功率：P=W／T
P=Fvcosa
动能：Ek=(1/2)mv^2
动能定理：W=EK的变化量=（1／2）mV2^2-(1/2)mV1^2
重力势能：Ep=mgh
机械能守恒定律：Ek1 Ep1=Ek2 Ep2
简谐运动：运动学方程：x=Asin(wt a)
动力学方程：F=－kx
单摆的震动周期：T=2派根号下（L／g)
波速公式：v=人/T=人/f
动量，冲量，动量定理：P=mv,I=Ft,Ft=mv'-mv
动量守恒定律：m1v1 m2v2=m1v1' m2v2'
不懂的可以问我，X＾2表示X的平方
楼主如果是高一的可以去这里
http://zhidao.baidu.com/link?url=fnvpuqqyj0XOpW4Gj-rfjXV12wlez-Lqk4mc_dmioThzs3c9tPSZAGE2hrlR8JDqg3mgj6aHULl955N2W5i18q
或者直接下载这个打印出来更方便记。
http://wenku.baidu.com/link?url=Bh-YeJXhYpu2H0W6WNH97waV92CnkOfzA8MHQs93susaPtiJ-s-YcUqHWPDEmqy3ZAr_TK2IW7oAxsRvgUnFP5ZvjId3yzeQB2ZltSPqKwS
都是学生不易，楼主给个采纳吧。。。
F=ma
还有一个是万能守恒定律
绛旓細1锛夊寑鍙橀熺洿绾胯繍鍔 1.骞冲潎閫熷害V骞筹紳s/t锛堝畾涔夊紡锛 2.鏈夌敤鎺ㄨVt2-Vo2锛2as 3.涓棿鏃跺埢閫熷害Vt/2锛漋骞筹紳(Vt+Vo)/2 4.鏈熷害Vt锛漋o+at 5.涓棿浣嶇疆閫熷害Vs/2锛漑(Vo2+Vt2)/2]1/2 6.浣嶇Щs锛漋骞硉锛漋ot+at2/2锛漋t/2t 7.鍔犻熷害a锛(Vt-Vo)/t 锝涗互Vo涓烘...
绛旓細楂樹腑鐗╃悊蹇呬慨 2 鐭ヨ瘑鐐规荤粨 绔犺妭 1銆佹満姊板姛 鍏蜂綋鍐呭 鈶犳満姊板姛鐨勫惈涔 鈶℃満姊板姛鐨勮绠 鈶犳満姊板姛鍘熺悊 鈶″仛鍔熷拰鑳界殑杞寲 涓昏鐩稿叧鍏紡 鈻插姛 W = Fs cos 伪 鈻 鍔熺殑鍘熺悊 2銆佸姛鍜岃兘 涓 鍔 鍜 鍔 鐜 W鍔 = W闃 = W鏈夌敤 + W棰濆 W杈撳叆 = W杈撳嚭 + W鎹熷け 3銆佸姛鐜 鈶犲姛鐜囩殑鍚箟 鈶″姛鐜...
绛旓細鎴戠粰浣犱釜鍦板潃锛岃嚜宸卞幓涓嬪惂锛岃繖閲屽啓涓嶄笅銆傝寰楅噰绾冲摝銆楂樹腑鐗╃悊蹇呬慨2鍏紡 1锛庢洸绾胯繍鍔ㄥ熀鏈寰 鈶犳潯浠讹細v0涓 涓嶅叡绾 鈶￠熷害鏂瑰悜锛氬垏绾挎柟鍚 鈶㈠集鏇叉柟鍚戯細鎬绘槸浠巚0鐨勬柟鍚戣浆鍚 鐨勬柟鍚 3锛庣怀鎷夎埞闂 鈶犲涓庡炬枩缁冲瓙鐩歌繛鐨勨滅墿浣撯濊繍鍔ㄥ垎瑙 鈶″悎杩愬姩锛氣滅墿浣撯濆疄闄呯殑杩愬姩 4锛庤嚜鐢辫惤浣撹繍鍔 鈶犳湯閫熷害锛...
绛旓細1.寮鏅嫆绗笁瀹氬緥T2/R3=K(=4蟺^2/GM) R:杞ㄩ亾鍗婂緞 T :鍛ㄦ湡 K:甯搁噺(涓庤鏄熻川閲忔棤鍏)2.涓囨湁寮曞姏瀹氬緥F=Gm1m2/r^2 G=6.67脳10^-11N?m^2/kg^2鏂瑰悜鍦ㄥ畠浠殑杩炵嚎涓 3.澶╀綋涓婄殑閲嶅姏鍜岄噸鍔涘姞閫熷害GMm/R^2=mg g=GM/R^2 R:澶╀綋鍗婂緞(m)4.鍗槦缁曡閫熷害銆佽閫熷害銆佸懆鏈 V=(GM/R)1/2 ...
绛旓細骞虫姏杩愬姩 1.姘村钩鏂瑰悜閫熷害Vx= Vo 2.绔栫洿鏂瑰悜閫熷害Vy=gt 3.姘村钩鏂瑰悜浣嶇ЩSx= Vot 4.绔栫洿鏂瑰悜浣嶇Щ(Sy)=gt^2/2 5.杩愬姩鏃堕棿t=(2Sy/g)1/2 (閫氬父鍙堣〃绀轰负(2h/g)1/2) 6.鍚堥熷害Vt=(Vx^2+Vy^2)1/2=[Vo^2+(gt)^2]1/2 鍚堥熷害鏂瑰悜涓庢按骞冲す瑙捨: tg尾=Vy/Vx=gt/Vo 7.鍚堜綅绉籗=(Sx...
绛旓細mgh1+(1/2)kx1^2+(1/2)mv1^2 = mgh2+(1/2)kx2^2+(1/2)mv2^2 鍗冲垵鍔ㄨ兘鍔犲垵寮规у娍鑳藉姞鍒濋噸鍔涘娍鑳界瓑浜庢湯鍔ㄨ兘鍔犳湯寮规у娍鑳藉姞鏈噸鍔涘娍鑳 ek=(1/2)mv^2 鐗╀綋鐨勫姩鑳藉拰璐ㄩ噺涓庨熷害骞虫柟鐨勪箻绉垚姝ｆ瘮 涓や釜鍏紡閮介渶瑕
绛旓細鍙嶅悜鍒檃<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)浣嶇Щ(s): 锛涚背锛坢锛夛紱璺▼:绫筹紱閫熷害鍗曚綅鎹㈢畻锛1m/s=3.6km/h銆 2)鑷敱钀戒綋杩愬姩 1.鍒濋熷害Vo锛0 2.鏈熷害Vt...
绛旓細涓囨湁寮曞姏)鈽 楂樹腑鐗╃悊蹇呬慨浜岀煡璇嗙偣鎬荤粨(鍏紡绡)鈽 楂樹簩鐗╃悊蹇呬慨浜屽叕寮忔荤粨 鈽 楂樹腑鐗╃悊蹇呬慨浜岀殑鐭ヨ瘑鐐 鈽 楂樹腑鐗╃悊蹇呬慨浜屽叕寮澶у叏 鈽 楂樹腑鐗╃悊蹇呬慨浜岀煡璇嗙偣鎬荤粨 鈽 楂樹腑鐗╃悊蹇呬慨浜岀煡璇嗙偣鎬荤粨(鏇茬嚎杩愬姩)鈽 楂樹腑鐗╃悊蹇呬慨浜岀煡璇嗙偣鎬荤粨(鏈烘鑳藉畧鎭)鈽 鐗╃悊蹇呬慨浜岀殑鐭ヨ瘑鐐 ...
绛旓細楂樹簩鐗╃悊蹇呬慨浜鐭ヨ瘑鐐1 涓銆佺數婧愬拰鐢垫祦 1銆佺數娴佷骇鐢熺殑鏉′欢: (1)瀵间綋鍐呮湁澶ч噺鑷敱鐢佃嵎(閲戝睘瀵间綋鈥斺旇嚜鐢辩數瀛;鐢佃В璐ㄦ憾娑测斺旀璐熺瀛;瀵肩數姘斾綋鈥斺旀璐熺瀛愬拰鐢靛瓙) (2)瀵间綋涓ょ瀛樺湪鐢靛娍宸(鐢靛帇) (3)瀵间綋涓瓨鍦ㄦ寔缁數娴佺殑鏉′欢:鏄繚鎸佸浣撲袱绔殑鐢靛娍宸 2鐢垫祦鐨勬柟鍚 鐢垫祦鍙互鐢辨鐢佃嵎鐨勫畾鍚戠Щ鍔ㄥ舰鎴,涔熷彲浠ユ槸璐熺數...
绛旓細鏃堕棿t=鏍瑰彿2h/t 姘村钩浣嶇Щ=v0t 绔栫洿鏂瑰悜浣嶇Щ=1/2gt^2 姘村钩閫熷害=鍒濋熷害=v0 绔栫洿閫熷害=gt 鐗╀綋杩愬姩鏈熷害=鏍瑰彿涓嬫按骞抽熷害鍜岀珫鐩撮熷害鐨勫钩鏂逛箣鍜 杩欒灏辫繖涔堝鐨勪簡,鍏朵粬鐨勫叾浠栫殑璇曟帹瀵鍏紡,
