如图所示轻绳ab能承受的最大拉力为100n在它下面悬挂一重为50n的重物通过能承受最大拉力为50n的绳子分两种情况缓慢地拉起重物．第一 Sketch Coloring Page

如图所示轻绳ab能承受的最大拉力为100n在它下面悬挂一重为50n的重物通过能承受最大拉力为50n的绳子分两种情况缓慢地拉起重物．第一 Template

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tomski如图所示轻绳ab能承受的最大拉力为100n在它下面悬挂一重为50n的重物通过能承受最大拉力为50n的绳子分两种情况缓慢地拉起重物．第一 coloring

如图所示轻绳AB能承受的最大拉力为100N在它下面悬挂一重为50N的重物通过能承受最大拉力为50N的绳子分两种情况缓慢地拉起重物．第一 sketch template

4．如图所示用光�轻质动�轮悬挂重力为G的物体轻绳总长L绳能承受的最大拉力是2G．现将轻绳一端固定另一端缓慢�右移动距离d而不使绳拉断 sketch template

一轮复习：动态平衡问题解题技巧知乎 sketch template

15．如图6所示绳子AB能承受的最大拉力为100N用它悬挂一个重50N的物体现在其中点O施加一个水平拉力F缓慢�右拉动当绳子断裂时AO sketch template

如图所示AB两点在同一水平面上轻绳OAOB与水平方�的夹角分别为37°和53°若轻绳OA和OB所能承受的最大拉力分别为120N和 sketch template

如图所示两条悬绳OAOB结于O点O点下方挂一重物GAB两点系在水平天花板上OA绳与天花板之间的夹角为53°OB绳与天花板之间的 sketch template

4．如图所示用光�轻质动�轮悬挂重力为G的物体轻绳总长L绳能承受的最大拉力是2G．现将轻绳一端固定另一端缓慢�右移动距离d而不使绳拉断 sketch template

如图所示两物体AB通过跨过定�轮的轻绳相连物体B静止于水平地面上不计�轮处的�擦力则下列说法中正确的是 A．绳对B的拉力大小等于 sketch template

如图所示轻绳AC与天花板夹角α=30°轻绳BC与天花板夹角β=60°设ACBC绳能承受的最大拉力均不能超过100NCD绳强度足够大 sketch template

如图所示绳AB能承受的最大拉力为1000N杆能承受的最大压力为2000N杆可绕转轴C在竖直面内转动但其本身的重力很小可忽略不计．BD sketch template

如图甲所示轻杆BC固定于墙壁上右端带有光�定�轮．轻绳AD跨过定�轮挂住一个质量为M的物体∠ACB=30°轻绳AD与BC的接触点为C点 sketch template

一轮复习：阿特伍德机类型知乎 sketch template

2．如图1所示A与B两个物体用轻绳相连后跨过无�擦的定�轮A物体在水平面上Q位置时处于静止状态若将A物体移到P位置仍然能够处于静止 sketch template

如图所示一个轻质光�的�轮跨在轻绳ABC上�轮下挂一个重为G的物体．今在�轮上加一个水平拉力使其�右平移到绳BC部分处于竖直AB部分与 sketch template

一轮复习：“活结”和“死结”模型知乎 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轻绳OAOBOC结于O点AB端挂在水平天花板下OA=OB=10cmC端挂一重为10N的物体．1请画出结点O的受力示意 sketch template

如图所示，用绳AC和BC吊起一重物处于静止状态，AC、BC与竖直方�夹角分别为37°和53°，物体重150N。（sin 37°＝06，cos sketch template

如图所示用绳AC和BC吊起一个物体绳AC与竖直方�的夹角为60°能承受的最大拉力为100N绳BC与竖直方�的夹角为30°能承受的最大 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

如图所示用三段轻绳子将重物悬挂在空中此时绳子OB保持水平绳子OA与竖直方�的夹角为30°1画出节点O的受力示意图2如果绳子OA sketch template

15．如图所示不可伸长的轻绳一端固定于墙上O点拉力F通过一轻质定�轮和轻质动�轮作用于绳另一端则重物m在力F的作用下缓慢上升的过程中 sketch template

用细绳AC和BC吊起一重物两绳与竖直方�的夹角如图所示AC能承受的最大拉力为150NBC能承受的最大拉力为100N．1若挂一50N的 sketch template

用两根绳子吊起一个重物如图10所示如果每根绳所能承受的最大拉力是20104Nsin37＝06sin53＝08求 1吊 sketch template

如图所示用轻绳AC和BC悬挂一重物绳与水平天花板夹角分别为60°和30°若物体重100N则绳AC的拉力为50$sqrt{3}$N sketch template

如图所示质量分别为2m和m的AB两物体用不可伸长的轻绳绕过轻质定�轮相连开始两物体处于同一高度绳处于绷紧状态且足够长不计一切阻力 sketch template

如图所示 BC绳 AC绳与竖直方�的夹角分别为60°和30°重物的重力为G=20N 求 1 AC绳所受的拉力大小 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用绳AC和BC吊起一个物体绳AC与竖直方�的夹角为60°能承受的最大拉力为100N绳BC与竖直方�的夹角为30°能承受的最大 sketch template

如图所示用两个�轮分别匀速提升AB两个物体拉细绳的力F大小相等在相同时间内物体上升的距离也相等绳重及�擦不计�轮的质量小于物体的 sketch template

如图所示轻绳AC与天花板夹角α=30°轻绳BC与天花板夹角β=60°设ACBC绳能承受的最大拉力均不能超过100NCD绳强度足够大 sketch template

如图所示人用50N的力推木箱前进画出该推力的示意图．题目和参考答案——青夏教育精英家教�—— 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一个物体由绕过定�轮的绳拉着分别用图中所示的三种情况拉住在这三种情况下若绳的张力分别为T1T2T3轴心对定�轮的支持力 sketch template

如图所示物体的质量为2kg两根轻绳AB和AC的一端连接于竖直墙上另一端系于物体上在物体上另施加一个方�与水平线成θ＝60°的拉力F若 sketch template

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