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1、高考总复习知识网络一览表物理高中物理知识点总结大全一、质点的运动（1）-直线运动1）匀变速直线运动1.平均速度 V 平 s/t（定义式）2.有用推论Vt2-Vo2 2as 3.中间时刻速度Vt/2 V 平(Vt+Vo)/2 4.末速度 VtVo+at 5.中间位置速度Vs/2(Vo2+Vt2)/21/2 6.位移 sV 平 tVot+at2/2 Vt/2t 7.加速度 a(Vt-Vo)/t 以 Vo 为正方向,a 与 Vo 同向(加速)a0；反向则aF2)2.互成角度力的合成：F(F12+F22+2F1F2cos)1/2（余弦定理）F1F2 时:F(F12+F22)1/2 3.合力大小范围：|
2、F1-F2|F|F1+F2|4.力的正交分FxFcos,FyFsin （为合力与x 轴之间的夹角tg Fy/Fx）注：(1)力(矢量)的合成与分解遵循平行四边形定则;（2）合力与分力的关系是等效替代关系,可用合力替代分力的共同作用,反之也成立;(3)除公式法外,也可用作图法求解,此时要选择标度,严格作图;(4)F1 与 F2 的值一定时,F1 与 F2 的夹角(角)越大,合力越小;（5）同一直线上力的合成,可沿直线取正方向,用正负号表示力的方向,化简为代数运算.四、动力学（运动和力）1.牛顿第一运动定律(惯性定律）：物体具有惯性,总保持匀速直线运动状态或静止状态,直到有外力迫使它改变这种状态为
3、止2.牛顿第二运动定律：F 合 ma 或 aF 合/ma 由合外力决定,与合外力方向一致 3.牛顿第三运动定律：F-F负号表示方向相反,F、F 各自作用在对方,平衡力与作用力反作用力区别,实际应用：反冲运动 4.共点力的平衡F 合 0,推广正交分解法、三力汇交原理5.超重：FNG,失重：FNr 3.受迫振动频率特点：ff 驱动力4.发生共振条件:f 驱动力 f 固,Amax,共振的防止和应用见第一册P175 5.机械波、横波、纵波见第二册P26.波速 vs/tf/T 波传播过程中,一个周期向前传播一个波长；波速大小由介质本身所决定 7.声波的波速(在空气中）0：332m/s；20:344m/s
4、；30:349m/s；(声波是纵波)8.波发生明显衍射（波绕过障碍物或孔继续传播）条件：障碍物或孔的尺寸比波长小,或者相差不大9.波的干涉条件：两列波频率相同(相差恒定、振幅相近、振动方向相同)10.多普勒效应:由于波源与观测者间的相互运动,导致波源发射频率与接收频率不同相互接近,接收频率增大,反之,减小见第二册P21 注：（1）物体的固有频率与振幅、驱动力频率无关,取决于振动系统本身；文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1
5、R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T
6、6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6
7、C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3
8、P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T
9、3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:C
10、I6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 H
11、S3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8（2）加强区是波峰与波峰或波谷与波谷相遇处,减弱区则是波峰与波谷相遇处；（3）波只是传播了振动,介质本身不随波发生迁移,是传递能量的一种方式；（4）干涉与衍射是波特有的；(5)振动图象与波动图象；(6)其它相关内容：超声波及其应用见第二册P22/振动中的能量转化见第一册P173.六、冲量与动量(物体的受力与动量的变化）1.动量：pmv p:动量(kg/s),m:质量(kg),v:速度(m/s),方向与速度方向相同3.冲量：IFt I:冲量(N?s),F:恒力(N),t:
12、力的作用时间(s),方向由 F 决定4.动量定理：Ip 或 Ftmvt mvo p:动量变化p mvt mvo,是矢量式 5.动量守恒定律：p 前总 p 后总或 pp也可以是m1v1+m2v2 m1v1+m2v2 6.弹性碰撞：p 0；Ek0 即系统的动量和动能均守恒 7.非弹性碰撞p 0；00(6)物体的内能是指物体所有的分子动能和分子势能的总和,对于理想气体分子间作用力为零,分子势能为零；(7)r0 为分子处于平衡状态时,分子间的距离；(8)其它相关内容：能的转化和定恒定律见第二册P41/能源的开发与利用、环保见第二册 P47/物体的内能、分子的动能、分子势能见第二册P47.九、气体的性质
13、1.气体的状态参量：温度：宏观上,物体的冷热程度；微观上,物体内部分子无规则运动的剧烈程度的标志,热力学温度与摄氏温度关系：Tt+273 T:热力学温度(K),t:摄氏温度()体积 V：气体分子所能占据的空间,单位换算：1m3 103L 106mL 压强 p：单位面积上,大量气体分子频繁撞击器壁而产生持续、均匀的压力,标准大气压：1atm 1.013 105Pa 76cmHg(1Pa 1N/m2)2.气体分子运动的特点：分子间空隙大；除了碰撞的瞬间外,相互作用力微弱；分子运动速率很大3.理想气体的状态方程：p1V1/T1 p2V2/T2 PV/T 恒量,T 为热力学温度(K)注:(1)理想气体
14、的内能与理想气体的体积无关,与温度和物质的量有关；(2)公式 3 成立条件均为一定质量的理想气体,使用公式时要注意温度的单位,t 为摄氏温度(),而 T 为热力学温度(K).十、电场1.两种电荷、电荷守恒定律、元电荷：(e1.60 10-19C）；带电体电荷量等于元电荷的整数倍2.库仑定律：FkQ1Q2/r2（在真空中）F:点电荷间的作用力(N),k:静电力常量k9.0 109N?m2/C2,Q1、Q2:两点电荷的电量(C),r:两点电荷间的距离(m),方向在它们的连线上,作用力与反作用力,同种电荷互相排斥,异种电荷互相吸引文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3
15、T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI
16、6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS
17、3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7
18、T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:
19、CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9
20、HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 Z
21、I7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N83.电场强度：EF/q（定义式、计算式)E:电场强度(N/C),是矢量（电场的叠加原理）,q：检验电荷的电量(C)4.真空点（源）电荷形成的电场EkQ/r2 r：源电荷到该位置的距离（m）,Q：源电荷的电量5.匀强电场的场强EUAB/d UAB:AB 两点间的电压(V),d:AB两点在场强方向的距离(m)6.电场力：FqE F:电场
22、力(N),q:受到电场力的电荷的电量(C),E:电场强度(N/C)7.电势与电势差：UAB A-B,UABWAB/q-EAB/q8.电场力做功：WAB qUAB Eqd WAB:带电体由A 到 B 时电场力所做的功(J),q:带电量(C),UAB:电场中 A、B 两点间的电势差(V)(电场力做功与路径无关),E:匀强电场强度,d:两点沿场强方向的距离(m)9.电势能：EAqA EA:带电体在 A 点的电势能(J),q:电量(C),A:A点的电势(V)10.电势能的变化EABEB-EA 带电体在电场中从A 位置到 B 位置时电势能的差值11.电场力做功与电势能变化EAB-WAB-qUAB(电势能
23、的增量等于电场力做功的负值)12.电容 CQ/U(定义式,计算式)C:电容(F),Q:电量(C),U:电压(两极板电势差)(V)13.平行板电容器的电容CS/4kd（S:两极板正对面积,d:两极板间的垂直距离,：介电常数）常见电容器见第二册P111 14.带电粒子在电场中的加速(Vo0)：WEK或 qUmVt2/2,Vt(2qU/m)1/2 15.带电粒子沿垂直电场方向以速度Vo 进入匀强电场时的偏转(不考虑重力作用的情况下)类平 垂直电场方向:匀速直线运动LVot(在带等量异种电荷的平行极板中：EU/d)抛运动平行电场方向:初速度为零的匀加速直线运动dat2/2,a F/m qE/m 注:(
24、1)两个完全相同的带电金属小球接触时,电量分配规律:原带异种电荷的先中和后平分,原带同种电荷的总量平分；(2)电场线从正电荷出发终止于负电荷,电场线不相交,切线方向为场强方向,电场线密处场强大,顺着电场线电势越来越低,电场线与等势线垂直；（3）常见电场的电场线分布要求熟记见图第二册 P98；(4)电场强度（矢量）与电势（标量）均由电场本身决定,而电场力与电势能还与带电体带的电量多少和电荷正负有关；(5)处于静电平衡导体是个等势体,表面是个等势面,导体外表面附近的电场线垂直于导体表面,导体内部合场强为零,导体内部没有净电荷,净电荷只分布于导体外表面；(6)电容单位换算：1F 106F1012PF
25、；(7）电子伏(eV)是能量的单位,1eV 1.60 10-19J；(8)其它相关内容：静电屏蔽见第二册P101/示波管、示波器及其应用见第二册P文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P
26、1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3
27、T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI
28、6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS
29、3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7
30、T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:
31、CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8114等势面见第二册P105.十一、恒定电流1.电流强度：Iq/t I:电流强度(A）,q:在时间 t 内通过导体横载
32、面的电量(C）,t:时间(s）2.欧姆定律：IU/R I:导体电流强度(A),U:导体两端电压(V),R:导体阻值()3.电阻、电阻定律：R L/S:电阻率(?m),L:导体的长度(m),S:导体横截面积(m2)4.闭合电路欧姆定律：IE/(r+R)或 EIr+IR 也可以是EU 内+U 外I:电路中的总电流(A),E:电源电动势(V),R:外电路电阻(),r:电源内阻()5.电功与电功率：WUIt,P UI W:电功(J),U:电压(V),I:电流(A),t:时间(s),P:电功率(W)6.焦耳定律：QI2Rt Q:电热(J),I:通过导体的电流(A),R:导体的电阻值(),t:通电时间(s
33、)7.纯电阻电路中:由于 IU/R,W Q,因此 WQUItI2RtU2t/R 8.电源总动率、电源输出功率、电源效率：P 总 IE,P 出 IU,P 出/P 总 I:电路总电流(A),E:电源电动势(V),U:路端电压(V),：电源效率9.电路的串/并联串联电路(P、U 与 R 成正比)并联电路(P、I 与 R 成反比)电阻关系(串同并反)R 串 R1+R2+R3+1/R 并 1/R1+1/R2+1/R3+电流关系I 总 I1I2I3 I 并 I1+I2+I3+电压关系U 总 U1+U2+U3+U 总 U1U2 U3 功率分配P 总 P1+P2+P3+P 总 P1+P2+P3+10.欧姆表测
34、电阻(1)电路组成(2)测量原理两表笔短接后,调节 Ro 使电表指针满偏,得IgE/(r+Rg+Ro)接入被测电阻Rx 后通过电表的电流为Ix E/(r+Rg+Ro+Rx)E/(R 中+Rx)由于 Ix 与 Rx 对应,因此可指示被测电阻大小(3)使用方法:机械调零、选择量程、欧姆调零、测量读数注意挡位(倍率)、拨 off 挡.(4)注意:测量电阻时,要与原电路断开,选择量程使指针在中央附近,每次换挡要重新短接欧姆调零.11.伏安法测电阻电流表内接法：电流表外接法：电压表示数：UUR+UA 电流表示数：IIR+IV Rx 的测量值 U/I(UA+UR)/IR RA+RxR真 Rx 的测量值 U
35、/IUR/(IR+IV)RVRx/(RV+R)RA 或 Rx(RARV)1/2 选用电路条件Rx 分享文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编
36、码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K
37、9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9
38、 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文
39、档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P1
40、0K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3
41、S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8高中物理知识点大全一、质点的运动（1）-直线运动1）匀变速直线运动1.平均速度V 平 s/t（定义式）2.有用推论Vt2-Vo2 2as 3.中间时刻速度Vt/2
42、 V 平(Vt+Vo)/2 4.末速度 VtVo+at 5.中间位置速度Vs/2(Vo2+Vt2)/21/2 6.位移 sV 平 tVot+at2/2 Vt/2t 7.加速度 a(Vt-Vo)/t 以 Vo 为正方向，a 与 Vo 同向(加速)a0；反向则aF2)2.互成角度力的合成：F(F12+F22+2F1F2cos)1/2（余弦定理）F1 F2 时:F(F12+F22)1/2 3.合力大小范围：|F1-F2|F|F1+F2|4.力的正交分解：FxFcos，FyFsin （为合力与x 轴之间的夹角tg Fy/Fx）注：(1)力(矢量)的合成与分解遵循平行四边形定则;（2）合力与分力的关系是
43、等效替代关系,可用合力替代分力的共同作用,反之也成立;(3)除公式法外，也可用作图法求解,此时要选择标度,严格作图;(4)F1 与 F2 的值一定时,F1 与 F2 的夹角(角)越大，合力越小;（5）同一直线上力的合成，可沿直线取正方向，用正负号表示力的方向，化简为代数运算。四、动力学（运动和力）文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S
44、9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8
45、文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P
46、10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M
47、3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1
48、N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F
49、6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R5M3S9 ZI7T3T6V1N8文档编码:CI6C5F6P10K9 HS3P1R
50、5M3S9 ZI7T3T6V1N81.牛顿第一运动定律(惯性定律）：物体具有惯性，总保持匀速直线运动状态或静止状态,直到有外力迫使它改变这种状态为止2.牛顿第二运动定律：F 合 ma 或 aF 合/ma由合外力决定,与合外力方向一致 3.牛顿第三运动定律：F-F负号表示方向相反,F、F 各自作用在对方，平衡力与作用力反作用力区别，实际应用：反冲运动 4.共点力的平衡F 合 0，推广正交分解法、三力汇交原理5.超重：FNG，失重：FNG 加速度方向向下，均失重，加速度方向向上，均超重 6.牛顿运动定律的适用条件：适用于解决低速运动问题，适用于宏观物体，不适用于处理高速问题，不适用于微观粒子见第一