求初中物理所有的公式,单位,名称,符号,含义以及应用,要最完整的 初中物理人教版第一章到第九章所有物理量名称,符号,单位及转化...

\u521d\u4e2d\u7269\u7406\u4e2d\u6240\u6709\u7684 \u7269\u7406\u91cf\u540d\u79f0 \u7269\u7406\u91cf\u7b26\u53f7 \u56fd\u9645\u5355\u4f4d \u5355\u4f4d\u7b26\u53f7

\u521d\u4e2d\u7269\u7406\u6982\u5ff5\u6c47\u603b
\u7269\u7406\u91cf\u540d\u79f0 \u7269\u7406\u91cf\u7b26\u53f7 \u5355\u4f4d\u540d\u79f0 \u5355\u4f4d\u7b26\u53f7 \u516c\u5f0f
\u8d28\u91cf m \u5343\u514b kg m=\u03c1v
\u6e29\u5ea6 t \u6444\u6c0f\u5ea6 \u00b0C
\u901f\u5ea6 v \u7c73\uff0f\u79d2 m/s v=s/t
\u5bc6\u5ea6 p \u5343\u514b\uff0f\u7c73�0�6 kg/m�0�6 p=m/v
\u529b\uff08\u91cd\u529b\uff09 F \u725b\u987f\uff08\u725b\uff09 N G=mg
\u538b\u5f3a P \u5e15\u65af\u5361\uff08\u5e15\uff09 Pa P=F/S
\u529f W \u7126\u8033\uff08\u7126\uff09 J W=Fs
\u529f\u7387 P \u74e6\u7279\uff08\u74e6\uff09 w P=W/t
\u7535\u6d41 I \u5b89\u57f9\uff08\u5b89\uff09 A I=U/R
\u7535\u538b U \u4f0f\u7279\uff08\u4f0f\uff09 V U=IR
\u7535\u963b R \u6b27\u59c6\uff08\u6b27\uff09 \u03a9 R=U/I
\u7535\u529f W \u7126\u8033\uff08\u7126\uff09 J W=UI t
\u7535\u529f\u7387 P \u74e6\u7279\uff08\u74e6\uff09 w P=W/t=UI
\u70ed\u91cf Q \u7126\u8033\uff08\u7126\uff09 J Q=cm\u25b3t
\u6bd4\u70ed c \u7126\u6bcf\u5343\u514b\u6444\u6c0f\u5ea6 J/(kg�6�1\u00b0C) c\uff1dQ/m\u25b3t


\u5e38\u7528\u6570\u636e\uff1a
\u771f\u7a7a\u4e2d\u5149\u901f 3\u00d710^8\u7c73\uff0f\u79d2
g 9.8\u725b\u987f\uff0f\u5343\u514b
15\u00b0C\u7a7a\u6c14\u4e2d\u58f0\u901f 340\u7c73\uff0f\u79d2
\u5b89\u5168\u7535\u538b \u4e0d\u9ad8\u4e8e36\u4f0f

-------------------------------------------
\u521d\u4e2d\u7269\u7406\u57fa\u672c\u6982\u5ff5
\u4e00\u3001\u6d4b\u91cf
\u2488\u957f\u5ea6L\uff1a\u4e3b\u5355\u4f4d:\u7c73\uff1b\u6d4b\u91cf\u5de5\u5177:\u523b\u5ea6\u5c3a\uff1b\u6d4b\u91cf\u65f6\u8981\u4f30\u8bfb\u5230\u6700\u5c0f\u523b\u5ea6\u7684\u4e0b\u4e00\u4f4d\uff1b\u5149\u5e74\u662f\u957f\u5ea6\u5355\u4f4d\u3002
\u2489\u65f6\u95f4t\uff1a\u4e3b\u5355\u4f4d:\u79d2\uff1b\u6d4b\u91cf\u5de5\u5177:\u949f\u8868\uff1b\u5b9e\u9a8c\u5ba4\u4e2d\u7528\u505c\u8868\u30021\u65f6\uff1d3600\u79d2\uff0c1\u79d2\uff1d1000\u6beb\u79d2\u3002
\u248a\u8d28\u91cfm\uff1a\u7269\u4f53\u4e2d\u6240\u542b\u7269\u8d28\u7684\u591a\u5c11\u53eb\u8d28\u91cf\u3002\u4e3b\u5355\u4f4d\uff1a\u5343\u514b\uff1b \u6d4b\u91cf\u5de5\u5177\uff1a\u79e4\uff1b\u5b9e\u9a8c\u5ba4\u7528\u6258\u76d8\u5929\u5e73\u3002

\u4e8c\u3001\u673a\u68b0\u8fd0\u52a8
\u2488\u673a\u68b0\u8fd0\u52a8\uff1a\u7269\u4f53\u4f4d\u7f6e\u53d1\u751f\u53d8\u5316\u7684\u8fd0\u52a8\u3002
\u53c2\u7167\u7269\uff1a\u5224\u65ad\u4e00\u4e2a\u7269\u4f53\u8fd0\u52a8\u5fc5\u987b\u9009\u53d6\u53e6\u4e00\u4e2a\u7269\u4f53\u4f5c\u6807\u51c6\uff0c\u8fd9\u4e2a\u88ab\u9009\u4f5c\u6807\u51c6\u7684\u7269\u4f53\u53eb\u53c2\u7167\u7269\u3002
\u2489\u5300\u901f\u76f4\u7ebf\u8fd0\u52a8\uff1a
\u2460\u6bd4\u8f83\u8fd0\u52a8\u5feb\u6162\u7684\u4e24\u79cd\u65b9\u6cd5\uff1aa \u6bd4\u8f83\u5728\u76f8\u7b49\u65f6\u95f4\u91cc\u901a\u8fc7\u7684\u8def\u7a0b\u3002
b \u6bd4\u8f83\u901a\u8fc7\u76f8\u7b49\u8def\u7a0b\u6240\u9700\u7684\u65f6\u95f4\u3002
\u2461\u516c\u5f0f\uff1a v=s/t
\u2462\u5355\u4f4d\u6362\u7b97\uff1a1\u7c73\uff0f\u79d2\uff1d3.6\u5343\u7c73\uff0f\u65f6\u3002
\u4e09\u3001\u529b
\u2488\u529bF\uff1a\u529b\u662f\u7269\u4f53\u5bf9\u7269\u4f53\u7684\u4f5c\u7528\u3002\u7269\u4f53\u95f4\u529b\u7684\u4f5c\u7528\u603b\u662f\u76f8\u4e92\u7684\u3002
\u529b\u7684\u5355\u4f4d\uff1a\u725b\u987f\uff08N\uff09\u3002\u6d4b\u91cf\u529b\u7684\u4eea\u5668\uff1a\u6d4b\u529b\u5668\uff1b\u5b9e\u9a8c\u5ba4\u4f7f\u7528\u5f39\u7c27\u79e4\u3002
\u529b\u7684\u4f5c\u7528\u6548\u679c\uff1a\u4f7f\u7269\u4f53\u53d1\u751f\u5f62\u53d8\u6216\u4f7f\u7269\u4f53\u7684\u8fd0\u52a8\u72b6\u6001\u53d1\u751f\u6539\u53d8\u3002
\u7269\u4f53\u8fd0\u52a8\u72b6\u6001\u6539\u53d8\u662f\u6307\u7269\u4f53\u7684\u901f\u5ea6\u5927\u5c0f\u6216\u8fd0\u52a8\u65b9\u5411\u6539\u53d8\u3002
\u2489\u529b\u7684\u4e09\u8981\u7d20\uff1a\u529b\u7684\u5927\u5c0f\u3001\u65b9\u5411\u3001\u4f5c\u7528\u70b9\u53eb\u505a\u529b\u7684\u4e09\u8981\u7d20\u3002
\u529b\u7684\u56fe\u793a\uff0c\u8981\u4f5c\u6807\u5ea6\uff1b\u529b\u7684\u793a\u610f\u56fe\uff0c\u4e0d\u4f5c\u6807\u5ea6\u3002
\u248a\u91cd\u529bG\uff1a\u7531\u4e8e\u5730\u7403\u5438\u5f15\u800c\u4f7f\u7269\u4f53\u53d7\u5230\u7684\u529b\u3002\u65b9\u5411\uff1a\u7ad6\u76f4\u5411\u4e0b\u3002
\u91cd\u529b\u548c\u8d28\u91cf\u5173\u7cfb\uff1aG=mg m=G/g
g=9.8N\uff0fkg\u3002\u8bfb\u6cd5\uff1a9.8\u725b\u6bcf\u5343\u514b\uff0c\u8868\u793a\u8d28\u91cf\u4e3a1\u5343\u514b\u7269\u4f53\u6240\u53d7\u91cd\u529b\u4e3a9.8\u725b\u3002
\u91cd\u5fc3\uff1a\u91cd\u529b\u7684\u4f5c\u7528\u70b9\u53eb\u505a\u7269\u4f53\u7684\u91cd\u5fc3\u3002\u89c4\u5219\u7269\u4f53\u7684\u91cd\u5fc3\u5728\u7269\u4f53\u7684\u51e0\u4f55\u4e2d\u5fc3\u3002
\u248b\u4e8c\u529b\u5e73\u8861\u6761\u4ef6\uff1a\u4f5c\u7528\u5728\u540c\u4e00\u7269\u4f53\uff1b\u4e24\u529b\u5927\u5c0f\u76f8\u7b49\uff1b\u65b9\u5411\u76f8\u53cd\u3002
\u7269\u4f53\u5728\u4e8c\u529b\u5e73\u8861\u4e0b\uff0c\u53ef\u4ee5\u9759\u6b62\uff0c\u4e5f\u53ef\u4ee5\u4f5c\u5300\u901f\u76f4\u7ebf\u8fd0\u52a8\u3002
\u7269\u4f53\u7684\u5e73\u8861\u72b6\u6001\u662f\u6307\u7269\u4f53\u5904\u4e8e\u9759\u6b62\u6216\u5300\u901f\u76f4\u7ebf\u8fd0\u52a8\u72b6\u6001\u3002\u5904\u4e8e\u5e73\u8861\u72b6\u6001\u7684\u7269\u4f53\u6240\u53d7\u5916\u529b\u7684\u5408\u529b\u4e3a\u96f6\u3002
\u248c\u540c\u4e00\u76f4\u7ebf\u4e8c\u529b\u5408\u6210\uff1a\u65b9\u5411\u76f8\u540c:\u5408\u529bF=F1+F2;\u5408\u529b\u65b9\u5411\u4e0eF1\u3001F2\u65b9\u5411\u76f8\u540c\uff1b
\u65b9\u5411\u76f8\u53cd:\u5408\u529bF=F1-F2;\u5408\u529b\u65b9\u5411\u4e0e\u5927\u7684\u529b\u65b9\u5411\u76f8\u540c\u3002
\u248d\u76f8\u540c\u6761\u4ef6\u4e0b\uff0c\u6eda\u52a8\u6469\u64e6\u529b\u6bd4\u6ed1\u52a8\u6469\u64e6\u529b\u5c0f\u5f97\u591a\u3002
\u6ed1\u52a8\u6469\u64e6\u529b\u4e0e\u6b63\u538b\u529b\uff0c\u63a5\u89e6\u9762\u6750\u6599\u6027\u8d28\u548c\u7c97\u7cd9\u7a0b\u5ea6\u6709\u5173\u3002\u3010\u6ed1\u52a8\u6469\u64e6\u3001\u6eda\u52a8\u6469\u64e6\u3001\u9759\u6469\u64e6\u3011
7\uff0e\u725b\u987f\u7b2c\u4e00\u5b9a\u5f8b\u4e5f\u79f0\u4e3a\u60ef\u6027\u5b9a\u5f8b\u5176\u5185\u5bb9\u662f\uff1a\u4e00\u5207\u7269\u4f53\u5728\u4e0d\u53d7\u5916\u529b\u4f5c\u7528\u65f6\uff0c\u603b\u4fdd\u6301\u9759\u6b62\u6216\u5300\u901f\u76f4\u7ebf\u8fd0\u52a8\u72b6\u6001\u3002
\u60ef\u6027\uff1a\u7269\u4f53\u5177\u6709\u4fdd\u6301\u539f\u6765\u7684\u9759\u6b62\u6216\u5300\u901f\u76f4\u7ebf\u8fd0\u52a8\u72b6\u6001\u7684\u6027\u8d28\u53eb\u505a\u60ef\u6027\u3002

\u56db\u3001\u5bc6\u5ea6
\u2488\u5bc6\u5ea6\u03c1\uff1a\u67d0\u79cd\u7269\u8d28\u5355\u4f4d\u4f53\u79ef\u7684\u8d28\u91cf\uff0c\u5bc6\u5ea6\u662f\u7269\u8d28\u7684\u4e00\u79cd\u7279\u6027\u3002
\u516c\u5f0f\uff1a m=\u03c1V \u56fd\u9645\u5355\u4f4d\uff1a\u5343\u514b\uff0f\u7c73�0�6 \uff0c\u5e38\u7528\u5355\u4f4d\uff1a\u514b\uff0f\u5398\u7c73�0�6\uff0c
\u5355\u4f4d\u6362\u7b97\uff1a1\u514b\uff0f\u5398\u7c73�0�6\uff1d1\u00d710�0�6\u5343\u514b\uff0f\u7c73�0�6\uff1b\u03c1\u6c34\uff1d1\u00d710�0�6\u5343\u514b\uff0f\u7c73�0�6\uff1b
\u8bfb\u6cd5\uff1a10�0�6\u5343\u514b\u6bcf\u7acb\u65b9\u7c73\uff0c\u8868\u793a1\u7acb\u65b9\u7c73\u6c34\u7684\u8d28\u91cf\u4e3a10�0�6\u5343\u514b\u3002
\u2489\u5bc6\u5ea6\u6d4b\u5b9a\uff1a\u7528\u6258\u76d8\u5929\u5e73\u6d4b\u8d28\u91cf\uff0c\u91cf\u7b52\u6d4b\u56fa\u4f53\u6216\u6db2\u4f53\u7684\u4f53\u79ef\u3002
\u9762\u79ef\u5355\u4f4d\u6362\u7b97\uff1a
1\u5398\u7c73�0�5=1\u00d710^-4\u7c73�0�5\uff0c
1\u6beb\u7c73�0�5=1\u00d710^-6\u7c73�0�5\u3002

\u8fd9\u4e9b\u8d44\u6599\u5df2\u7ecf\u6db5\u76d6\u4e86\u6574\u4e2a\u521d\u4e2d\u9636\u6bb5\u6d89\u53ca\u5230\u7684\u7269\u7406\u77e5\u8bc6\u4e86\uff1a
\u8bb0\u4f4f\u7684\u5e38\u91cf
1\uff0e\u5149\uff08\u7535\u78c1\u6ce2\uff09\u5728\u771f\u7a7a\u4e2d\u4f20\u64ad\u5f97\u6700\u5feb\uff0cc=3\u00d710^5Km/s=3\u00d710^8m /s\u3002\u5149\u5728\u5176\u5b83\u900f\u660e\u7269\u8d28\u4e2d\u4f20\u64ad\u6bd4\u5728\u7a7a\u6c14\u4e2d\u4f20\u64ad\u90fd\u8981\u6162
2\uff0e15\u2103\u7684\u7a7a\u6c14\u4e2d\u58f0\u901f\uff1a340m\uff0fs\uff0c\u632f\u52a8\u53d1\u58f0 \uff0c\u58f0\u97f3\u4f20\u64ad\u9700\u8981\u4ecb\u8d28\uff0c\u58f0\u97f3\u5728\u771f\u7a7a\u4e2d\u4e0d\u80fd\u4f20\u64ad\u3002\u4e00\u822c\u58f0\u97f3\u5728\u56fa\u4f53\u4e2d\u4f20\u64ad\u6700\u5feb\uff0c\u6db2\u4f53\u4e2d\u6b21\u4e4b\uff0c\u6c14\u4f53\u4e2d\u6700\u6162\u3002
3\uff0e\u6c34\u7684\u5bc6\u5ea6\uff1a1\uff0e0\u00d710^3Kg\uff0fm^3=1g\uff0fcm^3=1\uff0e0Kg\uff0fdm^3\u3002
1\u4e2a\u6807\u51c6\u5927\u6c14\u538b\u4e0b\u7684\u6c34\u7684\u6cb8\u70b9\uff1a100\u2103\uff0c\u51b0\u7684\u7194\u70b90\u2103\uff0c
\u6c34\u7684\u6bd4\u70ed\u5bb94\uff0e2\u00d710^3J\uff0f(Kg\u00b7\u2103)\u3002
4\uff0eg=9\uff0e8N/Kg\uff0c\u7279\u6b8a\u8bf4\u660e\u65f6\u53ef\u53d610 N/Kg
5\uff0e\u4e00\u4e2a\u6807\u51c6\u5927\u6c14\u538b=76cmHg==760mmHg=1\uff0e01\u00d710^5Pa=10.3m\u9ad8\u6c34\u67f1\u3002
6\uff0e\u51e0\u4e2a\u7535\u538b\u503c\uff1a1\u8282\u5e72\u7535\u6c601.5V\uff0c\u4e00\u53ea\u94c5\u84c4\u7535\u6c602V\u3002 \u7167\u660e\u7535\u8def\u7535\u538b220V\uff0c\u5b89\u5168\u7535\u538b\u4e0d\u9ad8\u4e8e36V\u3002
7\uff0e1\u5ea6=1\u5343\u74e6\u00b7\u65f6\uff08kwh\uff09=3\uff0e6\u00d710^6J\u3002
8\uff0e\u5e38\u89c1\u5c0f\u529f\u7387\u7528\u7535\u5668\uff1a\u7535\u706f\u3001\u7535\u89c6\u3001\u51b0\u7bb1\u3001\u7535\u98ce\u6247\uff1b
\u5e38\u89c1\u5927\u529f\u7387\u7528\u7535\u5668\uff1a\u7a7a\u8c03\u3001\u7535\u78c1\u7089\u3001\u7535\u996d\u5821\u3001\u5fae\u6ce2\u7089\u3001\u7535\u70d9\u94c1\u3002
\u7269\u7406\u91cf\u7684\u56fd\u9645\u5355\u4f4d
\u957f\u5ea6\uff08L\u6216s\uff09\uff1a\u7c73\uff08m\uff09
\u65f6\u95f4\uff08t\uff09\uff1a\u79d2\uff08s\uff09\u9762\u79ef\uff08S\uff09\uff1a\u7c73^2\uff08m^2\uff09\u4f53\u79ef\uff08V\uff09\uff1a\u7c73^3\uff08m^3\uff09\u901f\u5ea6\uff08v\uff09\uff1a\u7c73/\u79d2\uff08m/s\uff09\u6e29\u5ea6\uff08t\uff09\uff1a\u6444\u6c0f\u5ea6\uff08\u2103\uff09\uff08\u8fd9\u662f\u5e38\u7528\u5355\u4f4d\uff09
\u8d28\u91cf\uff08m\uff09\uff1a\u5343\u514b\uff08Kg\uff09\u5bc6\u5ea6\uff08\u03c1\uff09\uff1a\u5343\u514b/\u7c73^3\uff08Kg/m^3\uff09\u3002\u529b\uff08F\uff09\uff1a\u725b\u987f\uff08N\uff09\u529f\uff08\u80fd\uff0c\u7535\u529f\uff0c\u7535\u80fd\uff09\uff08W\uff09\uff1a\u7126\u8033\uff08J\uff09
\u529f\u7387\uff08\u7535\u529f\u7387\uff09\uff08P\uff09\uff1a\u74e6\u7279\uff08w\uff09\u538b\u5f3a\uff08p\uff09\uff1a\u5e15\u65af\u5361\uff08Pa\uff09\u673a\u68b0\u6548\u7387\uff08\u03b7\uff09\u70ed\u91cf\uff08\u7535\u70ed\uff09\uff08Q\uff09\uff1a\u7126\u8033\uff08J\uff09
\u6bd4\u70ed\u5bb9\uff08c\uff09\uff1a\u7126\u8033/\u5343\u514b \u6444\u6c0f\u5ea6J/\uff08Kg\u00b7\u2103\uff09\u70ed\u503c\uff08q\uff09\uff1aJ/kg\u6216J/m^3
\u7535\u6d41\uff08I\uff09\uff1a\u5b89\u57f9\uff08A\uff09\u7535\u538b\uff08U\uff09\uff1a\u4f0f\u7279\uff08V\uff09 \u7535\u963b\uff08R\uff09\uff1a\u6b27\u59c6\uff08\u03a9\uff09\u3002
\u5355\u4f4d\u6362\u7b97
1nm=10^-9m,1mm=10^-3m,1cm=10^-2m;1dm=0.1m,1Km=10^3m,1h=3600s,1min=60s,
1Kwh=3.6\u00d710^6J 1Km/h=5/18m/s=1/3.6m/s,1g/cm^3=10^3Kg/m^3,1cm^2=10^-4m^2,
1cm^3=1mL=10^-6m^3,1dm^3=1L=10^-3m^3,
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2\uff0e\u5bc6\u5ea6\uff1a\u9274\u522b\u7269\u8d28\uff0c\u5224\u65ad\u7269\u4f53\u662f\u5426\u7a7a\u5fc3\uff0c\u5224\u65ad\u7269\u4f53\u7684\u6d6e\u6c89\u3002
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13\uff0e\u51f8\u900f\u955c\u5bf9\u5149\u7ebf\u6709\u4f1a\u805a\u4f5c\u7528\uff1a\u7c97\u6d4b\u51f8\u900f\u955c\u7684\u7126\u8ddd\uff0c\u5f97\u5230\u5e73\u884c\u5149\uff0c\u805a\u5149\u7684\u4eae\u70b9\u6709\u5927\u91cf\u7684\u80fd\u91cf\u53ef\u70b9\u706b\u3001\u70e7\u65ad\u7269\u4f53\u3002
14\uff0e\u51b3\u5b9a\u7535\u963b\u5927\u5c0f\u7684\u56e0\u7d20\uff1a\u5236\u6210\u53d8\u963b\u5668(\u901a\u8fc7\u6539\u53d8\u7535\u963b\u4e1d\u7684\u957f\u5ea6\u6765\u6539\u53d8\u7535\u963b)\uff0c\u6cb9\u91cf\u8868\uff0c\u5236\u6210\u7b80\u5355\u8c03\u5149\u706f\uff0c\u5bfc\u7ebf\u4e0d\u7528\u94c1\u4e1d\u7528\u94dc\u4e1d\uff0c\u7535\u70ed\u5668\u7684\u7535\u963b\u8981\u7528\u954d\u94ec\u4e1d
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16\uff0e\u5347\u534e\u81f4\u51b7\uff1a\u7528\u5e72\u51b0\u4eba\u5de5\u964d\u96e8\u3001\u706d\u706b\uff0c\u5728\u821e\u53f0\u4e0a\u5f62\u6210 \u201c\u70df\u201d\u96fe
17\uff0e\u6db2\u4f53\u7684\u6cb8\u70b9\u968f\u6db2\u9762\u4e0a\u65b9\u6c14\u538b\u7684\u589e\u5927(\u51cf\u5c0f)\u800c\u5347\u9ad8(\u964d\u4f4e)\uff1a\u9ad8\u5c71\u4e0a\u716e\u4e0d\u719f\u996d\uff0c\u8981\u7528\u9ad8\u538b\u9505\u3002
18\uff0e\u52a0\u538b\u6c14\u4f53\u6db2\u5316\uff1a\u751f\u6d3b\u7528\u6db2\u5316\u77f3\u6cb9\u6c14\u7528\u589e\u52a0\u538b\u5f3a\u7684\u65b9\u6cd5\u4f7f\u77f3\u6cb9\u6c14\u5728\u5e38\u6e29\u4e0b\u6db2\u5316\u540e\u88c5\u5165\u94a2\u7f50\uff0c\u6c14\u4f53\u6253\u706b\u673a
19\uff0e\u7194\u70b9\u8868
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22\uff0e\u7b80\u5316\u7535\u8def\u7684\u65b9\u6cd5\uff1a
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11\uff0e\u7535\u6d41\uff1a\u7535\u6d41\u8868 \u7535\u538b\uff1a\u7535\u538b\u8868 \u7535\u963b\uff1a\u7535\u6d41\u8868\u548c\u7535\u538b\u8868\uff08\u4f0f\u5b89\u6cd5\uff09\u6216\u6b27\u59c6\u8868\u3002
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12\uff0e\u76f4\u63a5\u6d4b\u91cf\u578b\u5b9e\u9a8c\u670910\u79cd\u57fa\u672c\u4eea\u5668\u3001\u4eea\u8868\uff1a\u949f\u8868\uff08\u6216\u505c\u8868\uff09\u3001\u523b\u5ea6\u5c3a\u3001\u6e29\u5ea6\u8ba1\u3001\u5929\u5e73\u3001\u91cf\u7b52\u3001\u5f39\u7c27\u6d4b\u529b\u8ba1\u3001\u7535\u6d41\u8868\u3001\u7535\u538b\u8868\u3001\u53d8\u963b\u5668\u3001\u7535\u80fd\u8868\uff0e\u8981\u6c42\u5b66\u751f\u4f1a\u6839\u636e\u6d4b\u91cf\u8303\u56f4\u9009\u5408\u9002\u91cf\u7a0b\u548c\u6839\u636e\u7cbe\u786e\u7a0b\u5ea6\u5148\u6700\u5c0f\u5206\u5ea6\u503c\uff0c\u4f1a\u6b63\u786e\u64cd\u4f5c\u4e0e\u8bfb\u6570\uff0c\u80fd\u5224\u65ad\u54ea\u4e9b\u662f\u9519\u8bef\u7684\u64cd\u4f5c\uff0e\u6bcf\u79cd\u4eea\u5668\u6d4b\u91cf\u524d\uff1a\u90fd\u8981\u8ba4\u771f\u89c2\u5bdf\u6240\u4f7f\u7528\u7684\u4eea\u5668\u96f6\u523b\u5ea6\u7ebf\u7684\u4f4d\u7f6e\uff08\u8c03\u96f6\uff09\u3001\u6700\u5c0f\u5206\u5ea6\u503c\u548c\u6d4b\u91cf\u8303\u56f4\u7b49\u3002
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\u2460\uff0e\u6d4b\u5bc6\u5ea6\uff1a\u539f\u7406\u03c1=m/V\uff0c\u5668\u6750\uff1a\u6258\u76d8\u5929\u5e73\u3001\u91cf\u7b52\uff0c\u6ce8\u610f\u5b9e\u9a8c\u6b65\u9aa4\u7684\u5148\u540e\u6b21\u5e8f\u5c3d\u91cf\u51cf\u5c0f\u8bef\u5dee\u3002
\u2461\uff0e\u6d4b\u673a\u68b0\u6548\u7387\uff1a\u539f\u7406\uff1a\u03b7=W\u6709/W\u603b\uff0c\u5668\u6750\uff1a\u4e00\u5957\u7b80\u5355\u673a\u68b0\u88c5\u7f6e\uff08\u5982\u6ed1\u8f6e\u7ec4\u3001\u659c\u9762\u7b49\uff09\u3001\u5f39\u7c27\u6d4b\u529b\u8ba1\u3001\u7ec6\u7ef3\uff0c\u6d4b\u91cf\u65f6\uff0c\u6ce8\u610f\u8981\u5300\u901f\u7ad6\u76f4\u62c9\u52a8\u5f39\u7c27\u6d4b\u529b\u8ba1\uff0c\u5f71\u54cd\u673a\u68b0\u6548\u7387\u7684\u56e0\u7d20\u6709\u52a8\u6ed1\u8f6e\u7684\u91cd\u3001\u6469\u64e6\u548c\u7269\u4f53\u672c\u8eab\u7684\u91cd\uff0e\u540c\u4e00\u6ed1\u8f6e\u7ec4\uff0c\u6240\u63d0\u5347\u7269\u4f53\u8d8a\u91cd\u673a\u68b0\u6548\u7387\u8d8a\u9ad8\u3002
\u2462\uff0e\u4f0f\u5b89\u6cd5\u6d4b\u5c0f\u706f\u6ce1\u7535\u963b\u548c\u529f\u7387\uff1a\u539f\u7406\uff1a\u7535\u963bR=U/I\uff0c\u7535\u529f\u7387P=UI\uff1b\u5668\u6750\uff1a\u7535\u6e90\u3001\u5bfc\u7ebf\u3001\u5f00\u5173\u3001\u5c0f\u706f\u6ce1\u3001\u7535\u538b\u8868\u3001\u7535\u6d41\u8868\u3001\u6ed1\u52a8\u53d8\u963b\u5668\u3002\u8981\u6c42\u4f1a\u753b\u7535\u8def\u56fe\uff0c\u4f1a\u8fde\u63a5\u5b9e\u7269\uff0c\u4f1a\u9009\u62e9\u7535\u538b\u8868\u3001\u7535\u6d41\u8868\u91cf\u7a0b\uff0c\u5c0f\u706f\u6ce1\u4e0d\u4eae\u65f6\uff0c\u80fd\u6839\u636e\u7535\u538b\u8868\u3001\u7535\u6d41\u8868\u793a\u6570\u5206\u6790\u7535\u8def\u6545\u969c\uff0c\u77e5\u9053\u706f\u6ce1\u5728\u4e0d\u540c\u7684\u7535\u538b\u4e0b\uff0c\u6d4b\u51fa\u7684\u7535\u963b\u503c\u4e0d\u76f8\u7b49\u662f\u56e0\u4e3a\u6e29\u5ea6\u53d8\u5316\u4e86\uff0e
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速度V(m/S)v=S/t
S:路程 t:时间

  重力G(N)G=mg
m:质量
  g:重力加速度,常数,9.8N/kg或者10N/kg
  密度ρ(kg/m3)ρ=m/v
  m:质量
  V:体积

  合力F合(N)方向相同:F合=F1+F2
  方向相反:F合=F1-F2方向相反时,F1>F2

  浮力F浮(N)F浮=G物-G视G视:物体在液体的重力

  浮力F浮(N)F浮=G物
  此公式只适用物体漂浮或悬浮

  浮力F浮(N)F浮=G排=m排g=ρ液gV排
  G排:排开液体的重力
  m排:排开液体的质量
  ρ液:液体的密度
  V排:排开液体的体积(即浸入液体中的体积)

  杠杆的平衡条件F1L1=F2L2F1:动力L1:动力臂
  F2:阻力L2:阻力臂

  定滑轮F=G物
  S=hF:绳子自由端受到的拉力
  G物:物体的重力
  S:绳子自由端移动的距离
  h:物体升高的距离

  动滑轮F=(G物+G轮)/2
  S=2hG物:物体的重力
  G轮:动滑轮的重力
  滑轮组F=(G物+G轮)
  S=nhn:通过动滑轮绳子的段数

  机械功W(J)W=Fs
  F:力
  s:在力的方向上移动的距离

  有用功W有=G物h
  总功W总W总=Fs适用滑轮组竖直放置时
  机械效率η=W有/W总×100%

  功率P(w)P=w/t
  W:功
  t:时间

  压强p(Pa)P=F/s
  F:压力
  S:受力面积

  液体压强p(Pa)P=ρgh
  ρ:液体的密度
  h:深度(从液面到所求点的竖直距离)

  热量Q(J)Q=cm△t
  c:物质的比热容
  m:质量
  △t:温度的变化值

  燃料燃烧放出
  的热量Q(J)Q=mq
m:质量
  q:热值

  常用的物理公式与重要知识点

  一.物理公式(单位)公式备注公式的变形

  串联电路电流I(A)I=I1=I2=……电流处处相等
  串联电路电压U(V)U=U1+U2+……串联电路起分压作用
  串联电路电阻R(Ω)R=R1+R2+……
  并联电路电流I(A)I=I1+I2+……干路电流等于各支路电流之和(分流)
  并联电路电压U(V)U=U1=U2=……
  并联电路电阻R(Ω)1/R=1/R1+1/R2+……

  欧姆定律I=U/I
  电路中的电流与电压成正比,与电阻成反比

  电流定义式I=Q/t
  Q:电荷量(库仑)
  t:时间(S)

  电功W(J)W=UIt=Pt
  U:电压I:电流
  t:时间P:电功率

  电功率P=UI=I2R=U2/R
  U:电压I:电流R:电阻

  电磁波波速与波
  长、频率的关系C=λνC:波速(电磁波的波速是不变的,等于3×108m/s)
  λ:波长ν:频率

  需要记住的几个数值:
  a.声音在空气中的传播速度:340m/sb光在真空或空气中的传播速度:3×108m/s
  c.水的密度:1.0×103kg/m3d.水的比热容:4.2×103J/(kgo℃)
  e.一节干电池的电压:1.5Vf.家庭电路的电压:220V
  g.安全电压:不高于36V

自己为学生总复习准备的。送你一份吧,主要公式都在这里了。



物理中考复习:http://wenku.baidu.com/view/7b789eed4afe04a1b071de33.html

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