如图所示细绳绕过两个定�轮a和b在两端各挂质量为m的物体在ab中点c处挂一质量为m的小球 A b轴心间距离为2l且m＜m＜2m Sketch Coloring Page

如图所示细绳绕过两个定�轮a和b在两端各挂质量为m的物体在ab中点c处挂一质量为m的小球 A b轴心间距离为2l且m＜m＜2m Template

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tomski如图所示细绳绕过两个定�轮a和b在两端各挂质量为m的物体在ab中点c处挂一质量为m的小球 a coloring

如图所示细绳绕过两个定�轮A和B在两端各挂 质量为m的物体在AB中点C处挂一质量为M的小球 A B轴心间距离为2L且m＜M＜2m sketch template

如图所示细绳绕过两个定�轮A和B在两端各挂 质量为m的物体在AB中点C处挂一质量为M的小球 A B轴心间距离为2L且m＜M＜2m sketch template

如图所示细绳绕过两个定�轮A和B在两端各挂 质量为m的物体在AB中点C处挂一质量为M的小球 A B轴心间距离为2L且m＜M＜2m sketch template

如图所示细绳绕过两个定�轮A和B在两端各挂一个重为P的物体现在AB的中点C处挂一个重为Q的小球Q sketch template

如图所示两根轻绳AO和BO共同悬吊一重物两绳的另一端分别系在天花板和竖直墙上两绳与水平方�的夹角分别为α和β则以下说法不正确的是 sketch template

如图所示甲乙两个�轮组通过细绳悬挂在天花板上用�轮组匀速提升重为600N的物体时悬挂甲乙两�轮组的细绳所受的拉力分别为F甲F乙 sketch template

如图所示绕过定�轮的细绳一端拴在小车上另一端吊一物体A若小车沿水平地面�前匀速运动则物体 A．�上做加速运动B．�下做加速运动C sketch template

�轮有关的典型例题知乎 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

如图所示，细绳绕过定�轮连接小球和小球，小球固定在 高途 sketch template

如图所示A和B两个物体通过细绳和弹簧测力计连接在一起保持静止若A重3NB重5N不计弹簧测力计及绳子的重力则弹簧测力计的示数和地面对B sketch template

如图所示人以600N的力�下拉动绕在�轮组的绳子一端10秒使绳端�下移动了15m重物匀速上升了05m已知�轮组的机械效率为70% sketch template

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两个质量分别为m1和m2的重物挂在细绳的两端m1＞m2绳子绕过一个半径为r的�轮在�轮的轴上固定了四个长为L即球心到轴心的距离为L sketch template

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如图甲所示轮轴实质是一种杠杆．小捷同学为了探究轮轴的平衡条件进行了如下实验实验一如图乙所示重物G通过细绳绕在轴上在轮的边缘沿切线 sketch template

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如图所示细绳绕过两个定�轮A和B在两端各挂一个重为P的物体现在AB的中点C处挂一个重为Q的小球Q sketch template

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如图所示两个定�轮相距l一根轻质长绳绕过两个定�轮它的两端都系上质量为m的重物在两个定�轮间绳子的中点C处挂上一个质量为m的重物使 sketch template

24．如下图所示一根不可伸长的细绳两端各拴有物体A和B跨在一半径为R的光�半圆柱面上由图示位置从静止开始释放要使物体B能沿半圆柱面 sketch template

10．用相同的定�轮和动�轮组成甲乙两个�轮组如图8所示用它们来提升同一重物甲�轮组将重物举高1m乙�轮组将重物举高2m在不计绳 sketch template

如图所示长为L的细绳一端固定在O点另一端拴住一个质量为m的小球在O′点处有一枚与竖直平面垂直的钉子O′与竖直方�成θ=37°角．把球拉 sketch template

如图所示人以600N的力�下拉动绕在�轮组的绳子一端10秒使绳端�下移动了15m重物匀速上升了05m已知�轮组的机械效率为70% sketch template

高中物理专题5（�轮模型）高中物理手写笔记（碰撞动量）知乎 sketch template

如图所示，固定在水平面上的光�半球，球心O的正上方固定一个小定�轮，细绳一端拴一小球，小球置于半球面上的A点，另一端绕过定�轮，如图所示。今 sketch template

百度教育 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

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一条细绳跨过定�轮连接物体ABA悬挂起B穿在一根竖直杆上两物体均保持静止不计绳与�轮B与竖直杆间的�擦已知绳与竖直杆间 sketch template

定�轮百度百� sketch template

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