7．如图所示物体a与b相对静止共同沿斜面c匀速下�则 C Aab间无静�擦力 bb受�动�擦力大小为 Cb与 Sketch Coloring Page

7．如图所示物体a与b相对静止共同沿斜面c匀速下�则 C Aab间无静�擦力 bb受�动�擦力大小为 Cb与 Template

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anonymous
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tomski7．如图所示物体a与b相对静止共同沿斜面c匀速下�则 c aab间无静�擦力 coloring

7．如图所示物体A与B相对静止共同沿斜面C匀速下�则 C AAB间无静�擦力 BB受�动�擦力大小为 CB与 sketch template

如图所示，上表面粗糙倾角θ=37∘的斜面体放在光�的水平地面上，一物块静止在斜面体上．现给斜面体一水平�左的推力F，�现无论F多大，物块均能与 sketch template

如图所示物体A和B的质量分别为2kg和1kg用跨过定�轮的细线相连静止地又叠放在倾角为=300的光�斜面上A与B间的动�擦因数为现有 sketch template

如图所示相同材料制成的粗糙程度相同的两个物块AB中间用一不可伸长的轻绳连接用一相同大小的恒力F作用在A物体上使两物块沿力的方�一起运动 sketch template

12．如图所示物体A和B的质量分别为2kg和1kg用跨过定�轮的细线相连静止地叠放在倾角为＝30°的光�斜面上A与B间的动�擦因数为 sketch template

光�水平地面上叠放着两个物体A和B如图7所示．水平拉力F作用在物体B上使AB两物体从静止出�一起运动．经过时间t撤去拉力F再经过时间 sketch template

如图所示物体ab和c叠放在水平桌面上水平力Fb＝5 NFc＝10 N分别作用于物体bc上ab和c仍保持静止以f1f2f3 sketch template

如图所示物体AB叠放在倾角θ=37°的斜面上斜面保持不动质量为M=10kg并通过跨过光��轮的细线相连细线与斜面平行．两物体的 sketch template

如图所示A和B两物块又叠放在一起能够沿倾角为θ的斜面从静止开始共同加速�下已知A和B的质量分别为m和MA和B之间的接触面与斜面平行且动 sketch template

15．如图所示物体A叠放在物体B上在拉力F的作用下物体A和B一起沿着水平地面作匀速直线运动下列关于物体A受力的示意图正确的是 A．B sketch template

2．如图所示物体B的上表面水平当AB相对静止沿斜面匀速下�时设B给A的�擦力为f1水平面给斜面体C的�擦力为f2则 A．f1 sketch template

如图甲所示物体以一定初速度从倾角α=37°的斜面底端沿斜面�上运动上升的最大高度为3．0m．选择地面为参考平面上升过程中物体的机械能E sketch template

如图所示物体A在水平力F1＝400 N的作用下沿倾角θ＝60°的斜面速下�物体A受的重力G＝400 N求斜面对物体A的支持力和A与斜面间 sketch template

按下列要求作图． 1在图甲中画出斜面上的物体所受的重力G和物体对斜面压力F的示意图． 2重10 N的物体漂浮在水面上静止不动请在图乙 sketch template

7．如图所示质量相同的两物体处于同一高度A沿固定在地面上的光�斜面下�B自由下落最后到达同一水平面则物体到达底端时 A．动能相同 B sketch template

如图所示物体在恒力F作用下沿曲线从A运动到B这时突然使它所受的力反�而大小不变在此力作用下物体以后的运动情况下列说法正确的是 A sketch template

如图所示用平行斜面�下的拉力F将一个物体沿斜面往下拉动拉力的大小等于�擦力则 A．物体做匀速运动 B．合力对物体所做的功等于零 C sketch template

如图所示置于固定斜面上的物体A受到平行于斜面�下的力作用保持静止若力F大小不变将力F在竖直平面内由沿斜面�下缓慢的转到沿斜面�上转动 sketch template

如图所示质量相等的两物体AB叠放在粗糙的水平面上A与B接触面光�．A受水平恒力F1B受水平恒力F2F1与F2方�都�右且F2＞F1 sketch template

如图所示斜面除AB段粗糙外其余部分都是光�的一个物体从顶点�下经过AC两点时的速度相等且AB=BC物体与AB段动�擦因数处处 sketch template

物体与粗糙斜面一起沿水平面�左匀速运动物体和斜面相对静止如图所示．则斜面对物体的总作用力方� A．必沿b方�B．必沿c方�C．必沿d sketch template

如图所示物体ab和c叠放在水平桌面上水平为Fb＝5NFc＝10N分别作用于物体bc上ab和c仍保持静止以f1f2f3分别 sketch template

3．如图所示质量为m的物体由静止开始从倾角分别为αβ的两个光�固定斜面上�下两斜面的高度均为h则下列叙述正确的是 A．物体�到 sketch template

如图所示物体A静止在光�的水平面上A的左边固定有轻质弹簧与A质量相同的物体B以速度v�A运动并与弹簧�生碰撞AB始终沿同一直线运动 sketch template

1一物体静止在斜面上如图1所示物体受到的斜面的支持力为8N请在图中作出支持力的示意图．2如图2所示小球被斜挂在竖直墙上小球 sketch template

7．如图所示质量为m的物体静止在倾角为q的斜面上物体与斜面间的动�擦因数为m现在使斜面体�右水平匀速移动距离l则�擦力对物体所做的功为 sketch template

如图所示质量分别为2m和m的两物体AB叠放在一起放在光�的水平地面上已知AB间的最大�擦力为A物体重力的μ倍若用水平力分别作用在A sketch template

如图所示一物体恰能在一个斜面体上沿斜面匀速下�可以证明出此时斜面不受地面的�擦力作用若沿斜面方�用力�下推此物体使物体加速下�则斜面 sketch template

如图所示物体A沿斜面�下时斜面B处于静止状态此时水平地面对B的静�擦力的大小为f1．若A以某初速度沿斜面上�时B仍处于静止状态此时 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物体A和B相对静止以共同的速度沿斜面匀速下�则 A．AB间无�擦力的作用B．B受到的�动�擦力的大小为mA MB sketch template

如图所示物体A静止在光�的水平面上A的左边固定有轻质弹簧与A质量相同的物体B以速度v�A运动并与弹簧�生碰撞AB始终沿同一直线运动 sketch template

如图所示物体ab和c叠放在水平桌面上水平力Fb=5NFc=8N分别作用于物理bc上ab和c仍能保持静止．以f1f2f3分别 sketch template

如图所示物体AB放在物体C上水平力F作用于A使ABC一起匀速运动各接触面间的�擦力的情况是 A．A对C有�左的�擦力 B．C对B sketch template

7．如图所示一质量为M的直角劈B放在水平面上在劈的斜面上放一质量为m的物体A用一沿斜面�上的力F作用于A上使其沿斜面匀速上�在A上� sketch template

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