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\u9ad8\u8003\u7269\u7406\u5e38\u7528\u516c\u5f0f\u6c47\u603b<\/p>\n
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1\uff09\u5e38\u89c1\u7684\u529b<\/p>\n
1.\u91cd\u529bG\uff1dmg<\/p>\n
\uff08\u65b9\u5411\u7ad6\u76f4\u5411\u4e0b\uff0cg\uff1d9.8m\/\uff0cs2\u224810m\/s2\uff0c\u4f5c\u7528\u70b9\u5728\u91cd\u5fc3\uff0c\u9002\u7528\u4e8e\u5730\u7403\u8868\u9762\u9644\u8fd1\uff09<\/p>\n
2.\u80e1\u514b\u5b9a\u5f8bF\uff1dkx<\/p>\n
\uff5b\u65b9\u5411\u6cbf\u6062\u590d\u5f62\u53d8\u65b9\u5411\uff0ck\uff1a\u52b2\u5ea6\u7cfb\u6570\uff08N\/m\uff09\uff0cx\uff1a\u5f62\u53d8\u91cf\uff08m\uff09\uff5d<\/p>\n
3.\u6ed1\u52a8\u6469\u64e6\u529bF\uff1d\u03bcFN<\/p>\n
\uff5b\u4e0e\u7269\u4f53\u76f8\u5bf9\u8fd0\u52a8\u65b9\u5411\u76f8\u53cd\uff0c\u03bc\uff1a\u6469\u64e6\u56e0\u6570\uff0cFN\uff1a\u6b63\u538b\u529b\uff08N\uff09\uff5d<\/p>\n
4.\u9759\u6469\u64e6\u529b0\u2264f\u9759\u2264fm<\/p>\n
\uff08\u4e0e\u7269\u4f53\u76f8\u5bf9\u8fd0\u52a8\u8d8b\u52bf\u65b9\u5411\u76f8\u53cd\uff0cfm\u4e3a\u6700\u5927\u9759\u6469\u64e6\u529b\uff09<\/p>\n
5.\u4e07\u6709\u5f15\u529bF\uff1dGm1m2\/r2<\/p>\n
\uff08G\uff1d6.67\u00d710-11Nm2\/kg2,\u65b9\u5411\u5728\u5b83\u4eec\u7684\u8fde\u7ebf\u4e0a\uff09<\/p>\n
6.\u9759\u7535\u529bF\uff1dkQ1Q2\/r2<\/p>\n
\uff08k\uff1d9.0\u00d7109Nm2\/C2,\u65b9\u5411\u5728\u5b83\u4eec\u7684\u8fde\u7ebf\u4e0a\uff09<\/p>\n
7.\u7535\u573a\u529bF\uff1dEq<\/p>\n
\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<\/p>\n
8.\u5b89\u57f9\u529bF\uff1dBILsin\u03b8<\/p>\n
\uff08\u03b8\u4e3aB\u4e0eL\u7684\u5939\u89d2\uff0c\u5f53L\u22a5B\u65f6\uff1aF\uff1dBIL\uff0cB\/\/L\u65f6\uff1aF\uff1d0\uff09<\/p>\n
9.\u6d1b\u4ed1\u5179\u529bf\uff1dqVBsin\u03b8<\/p>\n
\uff08\u03b8\u4e3aB\u4e0eV\u7684\u5939\u89d2\uff0c\u5f53V\u22a5B\u65f6\uff1af\uff1dqVB\uff0cV\/\/B\u65f6\uff1af\uff1d0\uff09<\/p>\n
\u6ce8\uff1a<\/p>\n
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\uff082\uff09\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\uff1b<\/p>\n
\uff083\uff09fm\u7565\u5927\u4e8e\u03bcFN\uff0c\u4e00\u822c\u89c6\u4e3afm\u2248\u03bcFN;<\/p>\n
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\uff085\uff09\u7269\u7406\u91cf\u7b26\u53f7\u53ca\u5355\u4f4d<\/p>\n
B\uff1a\u78c1\u611f\u5f3a\u5ea6\uff08T\uff09\uff0c<\/p>\n
L\uff1a\u6709\u6548\u957f\u5ea6\uff08m\uff09\uff0c<\/p>\n
I:\u7535\u6d41\u5f3a\u5ea6\uff08A\uff09\uff0c<\/p>\n
V\uff1a\u5e26\u7535\u7c92\u5b50\u901f\u5ea6\uff08m\/s\uff09\uff0c<\/p>\n
q:\u5e26\u7535\u7c92\u5b50\uff08\u5e26\u7535\u4f53\uff09\u7535\u91cf\uff08C\uff09\uff1b<\/p>\n
\uff086\uff09\u5b89\u57f9\u529b\u4e0e\u6d1b\u4ed1\u5179\u529b\u65b9\u5411\u5747\u7528\u5de6\u624b\u5b9a\u5219\u5224\u5b9a\u3002<\/p>\n
2\uff09\u529b\u7684\u5408\u6210\u4e0e\u5206\u89e3<\/p>\n
1.\u540c\u4e00\u76f4\u7ebf\u4e0a\u529b\u7684\u5408\u6210\u540c\u5411\uff1aF\uff1dF1+F2\uff0c<\/p>\n
\u53cd\u5411\uff1aF\uff1dF1-F2 \uff08F1>F2\uff09<\/p>\n
2.\u4e92\u6210\u89d2\u5ea6\u529b\u7684\u5408\u6210\uff1a<\/p>\n
F\uff1d\uff08F12+F22+2F1F2cos\u03b1\uff091\/2\uff08\u4f59\u5f26\u5b9a\u7406\uff09<\/p>\n
F1\u22a5F2\u65f6\uff1a<\/p>\n
F\uff1d\uff08F12+F22\uff091\/2<\/p>\n
3.\u5408\u529b\u5927\u5c0f\u8303\u56f4\uff1a|F1-F2|\u2264F\u2264|F1+F2|<\/p>\n
4.\u529b\u7684\u6b63\u4ea4\u5206\u89e3\uff1aFx\uff1dFcos\u03b2\uff0cFy\uff1dFsin\u03b2<\/p>\n
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\u6ce8\uff1a<\/p>\n
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\u52a8\u529b\u5b66\uff08\u8fd0\u52a8\u548c\u529b\uff09<\/p>\n
1.\u725b\u987f\u7b2c\u4e00\u8fd0\u52a8\u5b9a\u5f8b\uff08\u60ef\u6027\u5b9a\u5f8b\uff09\uff1a<\/p>\n
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2.\u725b\u987f\u7b2c\u4e8c\u8fd0\u52a8\u5b9a\u5f8b\uff1a<\/p>\n
F\u5408\uff1dma\u6216a\uff1dF\u5408\/ma<\/p>\n
{\u7531\u5408\u5916\u529b\u51b3\u5b9a\uff0c\u4e0e\u5408\u5916\u529b\u65b9\u5411\u4e00\u81f4}<\/p>\n
3.\u725b\u987f\u7b2c\u4e09\u8fd0\u52a8\u5b9a\u5f8b\uff1a<\/p>\n
F\uff1d-F<\/p>\n
{\u8d1f\u53f7\u8868\u793a\u65b9\u5411\u76f8\u53cd\uff0cF\u3001F\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}<\/p>\n
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<\/p>\n
5.\u8d85\u91cd\uff1aFN>G\uff0c\u5931\u91cd\uff1aFN<G<\/p>\n
{\u52a0\u901f\u5ea6\u65b9\u5411\u5411\u4e0b\uff0c\u5747\u5931\u91cd\uff0c\u52a0\u901f\u5ea6\u65b9\u5411\u5411\u4e0a\uff0c\u5747\u8d85\u91cd}<\/p>\n
6.\u725b\u987f\u8fd0\u52a8\u5b9a\u5f8b\u7684\u9002\u7528\u6761\u4ef6\uff1a<\/p>\n
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1.\u7b80\u8c10\u632f\u52a8F\uff1d-kx<\/p>\n
{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}<\/p>\n
2.\u5355\u6446\u5468\u671fT\uff1d2\u03c0\uff08l\/g\uff091\/2<\/p>\n
{l:\u6446\u957f\uff08m\uff09\uff0cg:\u5f53\u5730\u91cd\u529b\u52a0\u901f\u5ea6\u503c\uff0c\u6210\u7acb\u6761\u4ef6\uff1a\u6446\u89d2\u03b8<100;l\u300br\uff5d<\/p>\n
3.\u53d7\u8feb\u632f\u52a8\u9891\u7387\u7279\u70b9\uff1a<\/p>\n
f\uff1df\u9a71\u52a8\u529b<\/p>\n
4.\u53d1\u751f\u5171\u632f\u6761\u4ef6\uff1af\u9a71\u52a8\u529b\uff1df\u56fa\uff0cA\uff1dmax\uff0c\u5171\u632f\u7684\u9632\u6b62\u548c\u5e94\u7528<\/p>\n
5.\u673a\u68b0\u6ce2\u3001\u6a2a\u6ce2\u3001\u7eb5\u6ce2<\/p>\n
6.\u6ce2\u901fv\uff1ds\/t\uff1d\u03bbf\uff1d\u03bb\/T<\/p>\n
{\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}<\/p>\n
7.\u58f0\u6ce2\u7684\u6ce2\u901f\uff08\u5728\u7a7a\u6c14\u4e2d\uff090\u2103\uff1a332m\/s\uff1b20\u2103\uff1a344m\/s\uff1b30\u2103\uff1a349m\/s\uff1b\uff08\u58f0\u6ce2\u662f\u7eb5\u6ce2\uff09<\/p>\n
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<\/p>\n
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9.\u6ce2\u7684\u5e72\u6d89\u6761\u4ef6\uff1a\u4e24\u5217\u6ce2\u9891\u7387\u76f8\u540c\uff08\u76f8\u5dee\u6052\u5b9a\u3001\u632f\u5e45\u76f8\u8fd1\u3001\u632f\u52a8\u65b9\u5411\u76f8\u540c\uff09<\/p>\n
10.\u591a\u666e\u52d2\u6548\u5e94\uff1a\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<\/p>\n
{\u76f8\u4e92\u63a5\u8fd1\uff0c\u63a5\u6536\u9891\u7387\u589e\u5927\uff0c\u53cd\u4e4b\uff0c\u51cf\u5c0f\uff5d<\/p>\n
\u6ce8\uff1a<\/p>\n
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