初中阶段所有的物理公式 求初中物理所有公式与转换公式,所有的,初中的,谢谢

\u521d\u4e2d\u6240\u5b66\u7684\u7269\u7406\u6240\u6709\u7684\u516c\u5f0f

V(\u901f\u5ea6)=S(\u8def\u7a0b)\u00f7t(\u65f6\u95f4)
H(\u56de\u58f0\u6d4b\u8ddd)=V\u00d7t\u00f72
m(\u8d28\u91cf)=\u03c1(\u5bc6\u5ea6)\u00d7V(\u4f53\u79ef)
m(\u4e2a\u4f53\u8d28\u91cf)=M(\u603b\u8d28\u91cf)\u00f7n(\u4e2a\u6570)
G(\u91cd\u529b)=m(\u8d28\u91cf)\u00d7g(\u5f15\u529b\u5e38\u6570)
p(\u538b\u5f3a)=F(\u6240\u53d7\u529b)\u00f7S(\u63a5\u89e6\u9762\u79ef)
p(\u6db2\u4f53\u538b\u5f3a)=\u03c1(\u6db2\u4f53\u5bc6\u5ea6)\u00d7g(\u5f15\u529b\u5e38\u6570)\u00d7h(\u6df1\u5ea6)
F(\u6d6e\u529b)=G(\u6392\u5f00\u6c34\u91cd\u529b)=\u03c1(\u6db2\u4f53\u5bc6\u5ea6)\u00d7v(\u6392\u5f00\u6db2\u4f53\u4f53\u79ef)\u00d7g(\u5f15\u529b\u5e38\u6570)
W(\u529f)=F(\u529b\u7684\u5927\u5c0f)\u00d7S(\u8fd0\u52a8\u8ddd\u79bb)
W(\u529f)=P(\u529f\u7387)\u00d7t(\u65f6\u95f4)
P(\u529f\u7387)=F(\u52a8\u529b)\u00d7v(\u901f\u5ea6)
F(\u52a8\u529b)\u00d7l(\u52a8\u529b\u81c2)=f(\u963b\u529b)\u00d7l(\u963b\u529b\u81c2)
\u03b7(\u6548\u7387)=W(\u6709\u7528\u529f)\u00f7W(\u603b\u529f)

\u521d\u4e2d\u7269\u7406\u529b\u5b66\u90e8\u5206

\u4e00\u3001\u901f\u5ea6\u516c\u5f0f
\u7269\u7406\u91cf \u8ba1\u7b97\u5f0f \u56fd\u9645\u4e3b\u5355\u4f4d \u5e38\u7528\u5355\u4f4d \u6362\u7b97\u5173\u7cfb
\u901f\u5ea6v V\uff1ds/t m/s Km/h 1m/s\uff1d3.6km/h
\u8def\u7a0bs S\uff1dvt m Km 1km\uff1d1000m
\u65f6\u95f4t t\uff1ds/v s h 1h\uff1d60min\uff1d3600s




\u706b\u8f66\u8fc7\u6865\uff08\u6d1e\uff09\u65f6\u901a\u8fc7\u7684\u8def\u7a0bs\uff1dL\u6865\uff0bL\u8f66
\u58f0\u97f3\u5728\u7a7a\u6c14\u4e2d\u7684\u4f20\u64ad\u901f\u5ea6\u4e3a340m/s
\u5149\u5728\u7a7a\u6c14\u4e2d\u7684\u4f20\u64ad\u901f\u5ea6\u4e3a3\u00d7108m/s

\u4e8c\u3001\u5bc6\u5ea6\u516c\u5f0f
(\u03c1\u6c34\uff1d1.0\u00d7103 kg/ m3)
\u7269\u7406\u91cf \u8ba1\u7b97\u5f0f \u56fd\u9645\u4e3b\u5355\u4f4d \u5e38\u7528\u5355\u4f4d \u6362\u7b97\u5173\u7cfb
\u5bc6\u5ea6\u03c1 \u03c1\uff1dm/v Kg/ m3 g/ Cm3 1g/ Cm3\uff1d1000kg/ m3
\u8d28\u91cfm M\uff1d\u03c1v Kg g 1kg\uff1d1000g
\u4f53\u79efv V\uff1dm/\u03c1 m3 Cm3 1 m3\uff1d103dm3\uff1d106cm3 1L\uff1d103ml(cm3)




\u51b0\u4e0e\u6c34\u4e4b\u95f4\u72b6\u6001\u53d1\u751f\u53d8\u5316\u65f6m\u6c34\uff1dm\u51b0 \u03c1\u6c34\uff1e\u03c1\u51b0 v\u6c34\uff1cv\u51b0
\u540c\u4e00\u4e2a\u5bb9\u5668\u88c5\u6ee1\u4e0d\u540c\u7684\u6db2\u4f53\u65f6\uff0c\u4e0d\u540c\u6db2\u4f53\u7684\u4f53\u79ef\u76f8\u7b49\uff0c\u5bc6\u5ea6\u5927\u7684\u8d28\u91cf\u5927
\u7a7a\u5fc3\u7403\u7a7a\u5fc3\u90e8\u5206\u4f53\u79efV\u7a7a\uff1dV\u603b\uff0dV\u5b9e

\u4e09\u3001\u91cd\u529b\u516c\u5f0f
G\uff1dmg (\u901a\u5e38g\u53d610N/kg\uff0c\u9898\u76ee\u672a\u4ea4\u5f85\u65f6g\u53d69.8N/kg) \u540c\u4e00\u7269\u4f53G\u6708\uff1d1/6G\u5730 m\u6708\uff1dm\u5730

\u56db\u3001\u6760\u6746\u5e73\u8861\u6761\u4ef6\u516c\u5f0f
F1l1\uff1dF2l2 F1 /F2\uff1dl2/l1

\u4e94\u3001\u52a8\u6ed1\u8f6e\u516c\u5f0f
\u4e0d\u8ba1\u7ef3\u91cd\u548c\u6469\u64e6\u65f6F\uff1d1/2(G\u52a8\uff0bG\u7269) s\uff1d2h

\u516d\u3001\u6ed1\u8f6e\u7ec4\u516c\u5f0f
\u4e0d\u8ba1\u7ef3\u91cd\u548c\u6469\u64e6\u65f6F\uff1d1/n(G\u52a8\uff0bG\u7269) s\uff1dnh

\u4e03\u3001\u538b\u5f3a\u516c\u5f0f\uff08\u666e\u9002\uff09
P\uff1dF/S \u56fa\u4f53\u5e73\u653e\u65f6F\uff1dG\uff1dmg
S\u7684\u56fd\u9645\u4e3b\u5355\u4f4d\u662fm2 1m2\uff1d102dm2\uff1d104cm2\uff1d106mm2

\u516b\u3001\u6db2\u4f53\u538b\u5f3a\u516c\u5f0fP\uff1d\u03c1gh
\u6db2\u4f53\u538b\u529b\u516c\u5f0fF\uff1dPS\uff1d\u03c1ghS
\u89c4\u5219\u7269\u4f53\uff08\u6b63\u65b9\u4f53\u3001\u957f\u65b9\u4f53\u3001\u5706\u67f1\u4f53\uff09\u516c\u5f0f\u901a\u7528

\u4e5d\u3001\u6d6e\u529b\u516c\u5f0f
\uff081\uff09\u3001F\u6d6e\uff1dF\u2019\uff0dF (\u538b\u529b\u5dee\u6cd5)
\uff082\uff09\u3001F\u6d6e\uff1dG\uff0dF (\u89c6\u91cd\u6cd5)
\uff083\uff09\u3001F\u6d6e\uff1dG (\u6f02\u6d6e\u3001\u60ac\u6d6e\u6cd5)
\uff084\uff09\u3001\u963f\u57fa\u7c73\u5fb7\u539f\u7406\uff1aF\u6d6e=G\u6392\uff1d\u03c1\u6db2gV\u6392 \uff08\u6392\u6c34\u6cd5\uff09

\u5341\u3001\u529f\u7684\u516c\u5f0f
W\uff1dFS \u628a\u7269\u4f53\u4e3e\u9ad8\u65f6W\uff1dGh W\uff1dPt

\u5341\u4e00\u3001\u529f\u7387\u516c\u5f0f
P\uff1dW/t P\uff1dW/t= Fs/t=Fv \uff08v\uff1dP/F\uff09

\u5341\u4e8c\u3001\u6709\u7528\u529f\u516c\u5f0f
\u4e3e\u9ad8W\u6709\uff1dGh \u6c34\u5e73W\u6709\uff1dFs W\u6709\uff1dW\u603b\uff0dW\u989d

\u5341\u4e09\u3001\u603b\u529f\u516c\u5f0f
W\u603b\uff1dFS (S\uff1dnh) W\u603b\uff1dW\u6709/\u03b7 W\u603b\uff1d W\u6709\uff0bW\u989d W\u603b\uff1dP\u603bt

\u5341\u56db\u3001\u673a\u68b0\u6548\u7387\u516c\u5f0f
\u03b7\uff1dW\u6709/W\u603b \u03b7\uff1dP\u6709/ P\u603b
\uff08\u5728\u6ed1\u8f6e\u7ec4\u4e2d\u03b7\uff1dG/Fn\uff09
\uff081\uff09\u3001\u03b7\uff1dG/ nF(\u7ad6\u76f4\u65b9\u5411)
\uff082\uff09\u3001\u03b7\uff1dG/(G\uff0bG\u52a8) (\u7ad6\u76f4\u65b9\u5411\u4e0d\u8ba1\u6469\u64e6)
\uff083\uff09\u3001\u03b7\uff1df / nF (\u6c34\u5e73\u65b9\u5411)

\u5341\u4e94\u3001\u70ed\u5b66\u516c\u5f0f C\u6c34\uff1d4.2\u00d7103J/(Kg\u00b7\u2103)
1\u3001\u5438\u70ed\uff1aQ\u5438\uff1dCm(t\uff0dt0)\uff1dCm\u0394t
2\u3001\u653e\u70ed\uff1aQ\u653e\uff1dCm(t0\uff0dt)\uff1dCm\u0394t
3\u3001\u70ed\u503c\uff1aq\uff1dQ/m
4\u3001\u7089\u5b50\u548c\u70ed\u673a\u7684\u6548\u7387\uff1a \u03b7\uff1dQ\u6709\u6548\u5229\u7528/Q\u71c3\u6599
5\u3001\u70ed\u5e73\u8861\u65b9\u7a0b\uff1aQ\u653e\uff1dQ\u5438
6\u3001\u70ed\u529b\u5b66\u6e29\u5ea6\uff1aT\uff1dt\uff0b273K
7.\u71c3\u6599\u71c3\u70e7\u653e\u70ed\u516c\u5f0fQ\u5438\uff1dmq \u6216Q\u5438\uff1dVq(\u9002\u7528\u4e8e\u5929\u7136\u6c14\u7b49)
\u7535\u5b66\u90e8\u5206
1\u3001\u7535\u6d41\u5f3a\u5ea6\uff1aI\uff1dQ\u7535\u91cf/t
2\u3001\u7535\u963b\uff1aR=\u03c1L/S
3\u3001\u6b27\u59c6\u5b9a\u5f8b\uff1aI\uff1dU/R
4\u3001\u7126\u8033\u5b9a\u5f8b\uff1a
\uff081\uff09\u3001Q\uff1dI2Rt\u666e\u9002\u516c\u5f0f)
\uff082\uff09\u3001Q\uff1dUIt\uff1dPt\uff1dUQ\u7535\u91cf\uff1dU2t/R (\u7eaf\u7535\u963b\u516c\u5f0f)
5\u3001\u4e32\u8054\u7535\u8def\uff1a
\uff081\uff09\u3001I\uff1dI1\uff1dI2
\uff082\uff09\u3001U\uff1dU1\uff0bU2
\uff083\uff09\u3001R\uff1dR1\uff0bR2 \uff081\uff09\u3001W\uff1dUIt\uff1dPt\uff1dUQ (\u666e\u9002\u516c\u5f0f)
\uff082\uff09\u3001W\uff1dI2Rt\uff1dU2t/R (\u7eaf\u7535\u963b\u516c\u5f0f)
\uff084\uff09\u3001U1/U2\uff1dR1/R2 (\u5206\u538b\u516c\u5f0f)
\uff085\uff09\u3001P1/P2\uff1dR1/R2
6\u3001\u5e76\u8054\u7535\u8def\uff1a
\uff081\uff09\u3001I\uff1dI1\uff0bI2
\uff082\uff09\u3001U\uff1dU1\uff1dU2
\uff083\uff09\u30011/R\uff1d1/R1\uff0b1/R2 [ R\uff1dR1R2/(R1\uff0bR2)]
\uff084\uff09\u3001I1/I2\uff1dR2/R1(\u5206\u6d41\u516c\u5f0f)
\uff085\uff09\u3001P1/P2\uff1dR2/R1

7\u3001\u5b9a\u503c\u7535\u963b\uff1a
\uff081\uff09\u3001I1/I2\uff1dU1/U2
\uff082\uff09\u3001P1/P2\uff1dI12/I22
\uff083\uff09\u3001P1/P2\uff1dU12/U22
8\u3001\u7535\u529f\uff1a
\uff081\uff09\u3001W\uff1dUIt\uff1dPt\uff1dUQ (\u666e\u9002\u516c\u5f0f)
\uff082\uff09\u3001W\uff1dI2Rt\uff1dU2t/R (\u7eaf\u7535\u963b\u516c\u5f0f)
9\u3001\u7535\u529f\u7387\uff1a
\uff081\uff09\u3001P\uff1dW/t\uff1dUI (\u666e\u9002\u516c\u5f0f)
\uff082\uff09\u3001P\uff1dI2R\uff1dU2/R (\u7eaf\u7535\u963b\u516c\u5f0f)

\u5e38\u7528\u7269\u7406\u91cf
1\u3001\u5149\u901f\uff1aC\uff1d3\u00d7108m/s (\u771f\u7a7a\u4e2d)
2\u3001\u58f0\u901f\uff1aV\uff1d340m/s (15\u2103)
3\u3001\u4eba\u8033\u533a\u5206\u56de\u58f0\uff1a\u22650\uff0e1s
4\u3001\u91cd\u529b\u52a0\u901f\u5ea6\uff1ag\uff1d9\uff0e8N/kg\u224810N/kg
5\u3001\u6807\u51c6\u5927\u6c14\u538b\u503c\uff1a
760\u6beb\u7c73\u6c34\u94f6\u67f1\u9ad8\uff1d1\uff0e01\u00d7105Pa
6\u3001\u6c34\u7684\u5bc6\u5ea6\uff1a\u03c1\uff1d1\uff0e0\u00d7103kg/m3
7\u3001\u6c34\u7684\u51dd\u56fa\u70b9\uff1a0\u2103
8\u3001\u6c34\u7684\u6cb8\u70b9\uff1a100\u2103
9\u3001\u6c34\u7684\u6bd4\u70ed\u5bb9\uff1a
C\uff1d4\uff0e2\u00d7103J/(kg•\u2103)
10\u3001\u5143\u7535\u8377\uff1ae\uff1d1\uff0e6\u00d710-19C
11\u3001\u4e00\u8282\u5e72\u7535\u6c60\u7535\u538b\uff1a1\uff0e5V
12\u3001\u4e00\u8282\u94c5\u84c4\u7535\u6c60\u7535\u538b\uff1a2V
13\u3001\u5bf9\u4e8e\u4eba\u4f53\u7684\u5b89\u5168\u7535\u538b\uff1a\u226436V\uff08\u4e0d\u9ad8\u4e8e36V\uff09
14\u3001\u52a8\u529b\u7535\u8def\u7684\u7535\u538b\uff1a380V
15\u3001\u5bb6\u5ead\u7535\u8def\u7535\u538b\uff1a220V
16\u3001\u5355\u4f4d\u6362\u7b97\uff1a
\uff081\uff09\u30011m/s\uff1d3\uff0e6km/h
\uff082\uff09\u30011g/cm3 \uff1d103kg/m3
\uff083\uff09\u30011kw•h\uff1d3\uff0e6\u00d7106J

(2)、U=U1+U2
(3)、R=R1+R2
(4)、U1/U2=R1/R2 (分压公式)
(5)、P1/P2=R1/R2
6、并联电路:
(1)、I=I1+I2
(2)、U=U1=U2
(3)、1/R=1/R1+1/R2 [ R=R1R2/(R1+R2)]
(4)、I1/I2=R2/R1(分流公式)
(5)、P1/P2=R2/R1
7定值电阻:
(1)、I1/I2=U1/U2
(2)、P1/P2=I12/I22
(3)、P1/P2=U12/U22
8电功:
(1)、W=UIt=Pt=UQ (普适公式)
(2)、W=I2Rt=U2t/R (纯电阻公式)
9电功率:
(1)、P=W/t=UI (普适公式)
(2)、P=I2R=U2/R (纯电阻公式)
【常 用 物 理 量】
1、光速:C=3×108m/s (真空中)
2、声速:V=340m/s (15℃)
3、人耳区分回声:≥0.1s
4、重力加速度:g=9.8N/kg≈10N/kg
5、标准大气压值:
760毫米水银柱高=1.01×105Pa
6、水的密度:ρ=1.0×103kg/m3
7、水的凝固点:0℃
8、水的沸点:100℃
9、水的比热容:
C=4.2×103J/(kg?℃)
10、元电荷:e=1.6×10-19C
11、一节干电池电压:1.5V
12、一节铅蓄电池电压:2V
13、对于人体的安全电压:≤36V(不高于36V)
14、动力电路的电压:380V
15、家庭电路电压:220V
16、单位换算:
(1)、1m/s=3.6km/h
(2)、1g/cm3 =103kg/m3
(3)、1kw?h=3.6×106J

崩溃。

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