2021年高中物理知识点总结及口诀记忆大全.pdf
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2021年高中物理知识点总结及口诀记忆大全.pdf
高中物理学科知识点总结及口诀汇总高一物理:知识点理解记忆口诀力力是物间互作用,受力施力成对生,大小方向作用点,三个要素共决定,有向线段来表示,力的图示求细心重力弹力摩擦力,性质分类记分明重心决定重心两因素,几何形状和分布,二力平衡来应用,两次悬挂可得出分布均匀形状定,对称图形即中心,心在物外不稀奇,分布变化位更新弹力恢复形变生弹力,必要条件是接触,大小胡克定律定,方向要看咋恢复,与面接触垂直面,绳子拉力沿绳走摩擦力摩擦力,有两种,三具备,才产生,接触挤压和粗糙,相对运动和“想动”,想动没动静摩擦,相对运动冠“滑动”|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 1 页,共 19 页方向总跟相对反,常用假设来判定静摩擦是被动力,欲求大小用平衡滑动摩擦有公式,压力和 来相乘,与面积没关系,压力并非恒物重注:f滑=FN受力分析受力分析很重要,施力物体须找到,先重力,再接触,其它外力莫丢掉力的合成两力求合成,平行四边形,大小和方向,均可做图定分力大小一定时,合力随角来取值,最大和值最小差,角度减小值增加力是矢量有特点,分力可比合力大力的分解力分解,逆合成,遵守平行四边形,理论可能无数种,依据效果来确定,首先体会两效果,再作平行四边形|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 2 页,共 19 页文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 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ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3验证力的平行四边形定则平行四边形,实验来验证,两拉橡皮条,效果要相同,三力记录全,作图来验证两只弹簧秤,型号要相同,拉力和木板,要求是平行夹角宜稍小,力太小不行,标度稍小好,铅笔细更精.加速度速度变化快和慢,加速度大小来体现,a 大速度变化快,a 小速度变化慢加速度,是矢量,有大小,有方向能分解,能合成,遵守平行四边形物体直线运动中,a 的正负要分清,初速方向定为正,反向为负同向正,a 为负,是减速,a 为正时速度增追击两物同向来追击,追上相遇等位移,速度相等关键点,距离最远或最近,草图图象方法好,审题分析求严密|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 3 页,共 19 页文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 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惯性运动何须力维持,改变运动才需力,惯性大小看质量,物体天生就具备牛顿定律解题牛顿定律来解题,力变a 变要牢记,正交分解最常用,基本方法是隔离整体隔离好求a,单独隔离求内力,弄清过程是关键,临界状态须注意力学单位制力学单位有制度,三基本量要记住,质量时间和长度,其它单位可导出米千克秒力牛顿,厘米克秒是达因,统一单位代数据,最后单位要紧跟超重 失重a 向上时是超重,蹲着起立体重增,a 向下时是失重,抛出物体视重零,|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 4 页,共 19 页文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 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ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3轨道卫星太空行,舱内人物全失重解平衡法解平衡法有五种,依据题情来选用,或分解,或合成,正交分解最常用,三力平衡请“勒密”注,力矩平衡也能行注:F1/Sin1=F2/Sin2=F3/Sin3平抛运动平抛运动匀变速,水平竖直分解出,飞行时间高度定,射程尚赖初速度匀速圆周运动匀圆运动变加速,具有向心加速度,大小不变方向变,变向快慢它描述四种表达注要记清,适时选用有火候,牛二定律来应用,合力提供加速度离心运动不奇怪,只缘合力不足够注:a向=v2/r=2r=(2/T)2r=(2f )2r 万有引力万物之间有引力,平方反比要牢记注,小时小得微乎微,大时大得惊天地,地表引力即重力,不同位置有差异,|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 5 页,共 19 页文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3天体公转来运动,引力提供向心力注:F=G m1m2/r2地球同步卫星同步卫星绕地行,赤道上空不移动,运动周期一天整,所有参量均确定功空间积累叫做功,三者相乘注要记清,身为标量有正负,恒力做功才适用锐角动力功为正,直角做功恒为零,钝角阻力功为负,又称克服做正功注:W=Fs cos 功率做功快慢功率定,平均即时要分清,方向相同为条件,力和速度可相乘汽车功率有两种,输出不能超额定额定启动变加速,加速度减速度增,最终平衡匀速行,最大速度阻力定注轮船车床起重机,以上规律也适用注:当 F=P0/v=f阻时,v=vm=P0/f阻|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 6 页,共 19 页文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3求功方法求功方法有三种,公式只求力恒定,功能关系求变力,功率公式也可用重力就乘高度差,阻力做功乘路程,粗糙斜面角无关,做功等同水平行注注:物体m 从粗糙斜面滑动发生水平位移S 时,摩擦力做功Wf=m gS,与斜面倾角 无关 机械能守恒只有保守力做功,系统机械能守恒,动能势能互转化,一个减少一个增,零势能点选定后,能量总量就恒定功能原理 摩擦生热非保守力做正功,系统机械能就增,所增能量转化来,并非凭空而产生机械能值若减小,定有“非力”做负功,能的转化有量度,就是外力所做功滑动摩擦会生热,转化内能仍守恒,大小与 f 成正比,还由相对位移定注注:Q =f滑动S相对|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 7 页,共 19 页文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3高二物理:知识点理解记忆口诀1.动量定理解题动量定理来解题,矢量关系要牢记,各量均把正负带,代数加减万事吉,中间过程莫关心,便于求解平均力动量守恒所受外力恒为零,系统动量就守恒,碰前碰后和碰中,动量总和都相同,矢量关系别忘记,谁正谁负要分清力的作用效果时间积累动量增,空间积累增动能,瞬间产生加速度,改变状态或变形动量定理 动能定理动量动能二定理,解起题来特容易,动量定理求时间,动能定理求位移弹簧振子振动弹簧振子来振动,简谐运动最典型a 随回复力变化,方向始终指平衡,大小位移成正比,位移特指对平衡注速度与 a 变化反,这个减时那个增,动能势能互转化,周期变化且守恒注:平衡位置振动周期|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 8 页,共 19 页文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A6O1 HT8V1P4R4N6 ZM8X7E10W7N3文档编码:CN6X3W5A