2．如图所示质量为m的物体a和b用绳连接后挂在两个高度相同的光�的�轮上处于平衡状态在两�轮中点再挂一个质量为m的钩码c设竖直绳足够 Sketch Coloring Page

2．如图所示质量为m的物体a和b用绳连接后挂在两个高度相同的光�的�轮上处于平衡状态在两�轮中点再挂一个质量为m的钩码c设竖直绳足够 Template

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anonymous
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anonymous

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anonymous

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anonymous

anonymous
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tomski2．如图所示质量为m的物体a和b用绳连接后挂在两个高度相同的光�的�轮上处于平衡状态在两�轮中点再挂一个质量为m的钩码c设竖直绳足够 coloring

用如图所示甲乙两个�轮组分别提起相同的质量的物体．两个�轮组的动�轮的质量相同不计�擦则A．F甲> F乙η甲>η乙B．F甲 sketch template

如图所示质量为2m的物体A与质量为m的物体B放在光�的水平面上在水平推力F的作用下加速运动求A对B的弹力大小——青夏教育精英家教�—— sketch template

如图所示一轻质弹簧的下端固定在水平面上上端叠放着两个质量均为M的物体AB弹簧的劲度系数为k初始时物体处于静止状态．现用竖直�上的 sketch template

如图所示AB两物块质量均为m用一轻弹簧相连将A用长度适当的轻绳悬挂于天花板上系统处于静止状态B物块恰好与水平桌面接触而没有挤压 sketch template

如图所示，用三根轻绳将质量为m的物块悬挂在空中。已知ac和bc与竖直方�的夹角分别为30°和60°，重力加速度为g。请选择合适的研究对象，画出 sketch template

如图所示质量为m的木块从位于竖直平面内的圆弧形曲面上�下由于�擦力的作用木块从a到b运动的速率增大b到c的速率一直保持不变c到d的 sketch template

如图C 1所示质量为M的物体悬挂于轻弹簧的下端做振幅为A的简谐运动PQ为振动过程中的最高点最低点如果运动到最低点Q处M中有一质量 sketch template

百度教育 sketch template

一轮复习：动态平衡问题解题技巧知乎 sketch template

如图所示质量为m的物体A系于两根轻弹簧l1l2上l1的一端悬挂在天花板上C点与竖直方�夹角为θl2水平拉直左端固定于墙上B点物体 sketch template

如图4 21所示质量为m的物体沿半径为R的圆轨道自A点�下�至B点时的速度为v已知物体与轨道间的动�擦因数为μ求物体在B点所受的�擦 sketch template

如图所示，质量为m、长为L的均匀细杆OA，一端通过光�铰链固定在地面O处，在细杆中点B处系一根细绳，细绳绕过两个光�定�轮后悬挂着物体D，物体 sketch template

如图所示质量分别为mM的AB两物体叠放在光�的水平桌面上A与B之间的动�擦因数为μ用一水平力F作用于B上使A和B保持相对静止地�右 sketch template

如图所示质量为m的物体A置于水平面上 在拉力F的作用下仍保持静止状态已知F与水平方�夹角为θ则物体A对水平面的压力为 物体A受到 sketch template

9．如图所示一轻质弹簧与质量为m的物体组成弹簧振子物体在AB两点间做简谐振动O点为平衡位置已知OC=h振子的振动�期为T某时刻 sketch template

如图所示质量为m的质点与三根相同的螺旋形轻弹簧相连．静止时弹簧c沿竖直方�相邻两弹簧间的夹角均为120°．已知弹簧ab对质点的作用力 sketch template

30．如图所示用�轮组提起重G的物体绳子自由端拉力为F重物以速度勘匀速上升不计�擦和绳重则 1�轮组的机械效率为 2 sketch template

题目如图所示质量为3kg的物体A静止在竖直的轻弹簧上面质量为2kg的物体B用细线悬挂AB间相互接触但无压力取g=10m/s2某时刻 sketch template

如图所示质量为m的小球被水平绳AO和与竖直方�成θ角的轻弹簧系着处于静止状态现用火将绳AO烧断在绳AO烧断的瞬间下列说法正确的是 sketch template

用四个�轮和两根相同的绳子组成如图所示的甲、乙两个�轮组用它们匀速提起货物在绳自由端施加竖直的拉力分别为F甲和F乙物重分别为G甲和G乙 sketch template

如图所示A、B两小球分别用轻质细绳L1和轻弹簧系在天花板上A、B两小球之间用一轻质细绳L2连接细绳L1、弹簧与竖直方�的夹角均为θ细绳 sketch template

如图所示质量为m的物体A放在质量为M的物体B上B与弹簧相连它们一起在光�水平面上做简谐运动．振动过程中AB之间无相对运动设弹簧的劲度 sketch template

如图所示质量均为m的ABC三个物体静止在光�水平面上BA之间有压缩着的弹簧物体C以v0速度�右冲来为了防止冲撞弹簧将BA�左 sketch template

4．如右图所示质量为m的物体用细绳经过光�小孔牵引在光�水平面 上做匀速圆�运动拉力为某个值F时转动半径为R当拉力逐渐减小到F/4时 sketch template

如图所示图1中一个物体连接一个轻弹簧在水平恒力F的作用下当水平地面光�物体匀加速运动时弹簧的长度为l1当水平地面粗糙物体正好做匀速 sketch template

如图所示质量为m=2kg的小物块在水平拉力F作用下由静止开始从A点出�沿粗糙水平轨道做匀加速直线运动到达B点时撤消外力物块冲上竖直 sketch template

如图所示质量为m的物体与圆筒壁间的最大静�擦力为它们之间压力的k倍圆筒半径为r若要物体不下�圆筒旋转的角速度至�为 ．题目和参考答案 sketch template

如图所示在倾角为θ的光�斜面上有一轻质弹簧其一端固定在斜面下端的挡板上另一端与质量为m的物体接触物体静止时弹簧被压缩了x0．现用力F sketch template

如图所示质量m1=2kg的物体A与一劲度系数为k=500N/m的轻弹簧相连弹簧的另一端与地面上的质量为m2=1kg的物体B相连弹簧竖起 sketch template

$如图所示质量为m的小球用长为L的悬线固定于O点在O点正下方$frac{L}{2}$处钉一个钉子把悬线拉直与竖直方�成一定角度由静止 sketch template$

25．如图所示在光�绝缘的水平面上．有两个竖直�下的匀强磁场区域1 2 磁场的宽度和两个区域之间的距离均为l 磁感应强度均为B0一 sketch template

百度教育 sketch template

如图甲所示，用刻度尺测量一物体的长度，物体的长度为cm；如图乙所示，图中是分度值为01s的机械秒表，其示数是s。 sketch template

如图所示水平面上叠放着两个物体A和BmA=2kgmB=3kg两物体在10N的水平拉力作用下一起做匀速直线运动则A和B之间的�擦力大小 sketch template

如图所示的电路中，电源电压保持不变。闭合开关S后，�片P从b端移动到a端的过程，电压表示数U与电流表示数I的关系图像如图所示。下列说法正确的是（ sketch template

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