如图1所示长为5m的细绳的两端分别系于竖立在地面上相距为4m的两杆的顶端ab 绳上挂一个光�的轻质挂钩其下连着一个重为12n的物体 Sketch Coloring Page

如图1所示长为5m的细绳的两端分别系于竖立在地面上相距为4m的两杆的顶端ab 绳上挂一个光�的轻质挂钩其下连着一个重为12n的物体 Template

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tomski如图1所示长为5m的细绳的两端分别系于竖立在地面上相距为4m的两杆的顶端ab 绳上挂一个光�的轻质挂钩其下连着一个重为12n的物体 coloring

如图1所示长为5m的细绳的两端分别系于竖立在地面上相距为4m的两杆的顶端AB 绳上挂一个光�的轻质挂钩其下连着一个重为12N的物体 sketch template

绳杆两端关联加速度问题知乎 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长为5m的细绳的两端分别系于竖立在地面上相距为4m的两杆顶端AB绳上挂一个光�的轻质挂钩它钩着一个重为12N的物体平衡时绳中 sketch template

绳杆两端关联加速度问题知乎 sketch template

如图所示一质量为m=2kg的小球用细绳拴住在竖直平面内做圆�运动绳长L=05m固定点O距地面的高度为55m绳的最大承受力F sketch template

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

如图所示长为5m的细绳的两端分别系于竖立在地面上相距为4m的两杆顶端AB绳上挂一个光�的轻质挂钩它钩着一个重为12N的物体平衡时绳中 sketch template

如图1所示长为5m的细绳的两端分别系于竖立在地面上相距为4m的两杆的顶端AB 绳上挂一个光�的轻质挂钩其下连着一个重为12N的物体 sketch template

1如图所示物体A静止在水平地面在图中画出它所受的力的示意图．2用如图所示的�轮组提升重物若拉力F将绳子的自由端移动1m时重物 sketch template

如图3所示用长为L的细绳将重力为G的光�圆球挂在竖直墙壁上球对绳的拉力T球对墙壁的压力为N那么当绳的长度增大时以下说法正确的是A sketch template

题目如图所示表面光�半径为R的半球固定在水平地面上球心O的正上方O’处有一个不计�擦的定�轮轻质细绳两端各系一个小球挂在定�轮上两 sketch template

恒力F作用在质量为m的物体上如图所示由于地面对物体的�擦力较大没有被拉动则经时间t下列说法正确的是 A．拉力F对物体的冲量大小为零 sketch template

如图所示轻绳的一端通过小定�轮O与小球B连接另一端与套在竖直杆上的小物块A相连竖直杆两端固定且足够长物块A沿竖直杆�上做匀速运动其 sketch template

如图所示将一质量为m的�锤用长为L的细绳吊起上端固定使�锤在水平面内做匀速圆�运动细绳就沿圆锥面旋转构成一个大型圆锥�如果细绳与 sketch template

如图1所示重为3N的贡�从�上落下的过程中同时受到重力和空气阻力的作用对于贡�所受合力的大小和方�以下说法中正确的是 A sketch template

如图所示用F为30N的拉力通过�轮组拉着重为300N的物体在水平面上以05m/s的速度�左做匀速直线运动．则物体受到的�擦力大小为 sketch template

有一重为G实心长方体A如图1所示将它一半浸入水中细绳上的拉力为F剪断细绳物体全部浸没且沉底无水溢出液体对容器底部增加的压力为·· sketch template

如图所示ACB是一光�的足够长的固定在竖直平面内的“∧ 形框架其中CACB边与竖直方�的夹角分别为37°和53°．PQ两个轻质小环 sketch template

题目如图所示用完全相同的四个�轮和两根相同的细绳组成甲乙两个�轮组在各自的自由端施加大小分别为F1和F2的拉力将相同的重物缓慢提升 sketch template

20．如图所示用一根长为L质量不计的细杆与一个上弧长为下弧长为的�属线框的中点联结并悬挂于O点悬点正下方存在一个上弧长为2下弧长为2的 sketch template

一轮复习：阿特伍德机类型知乎 sketch template

如图所示长为L的细线一端固定在O点另一端连接一质量为m的小球把小球拉至A点由静止释放忽略阻力细线与竖直方�的最大夹角图为θ求小球 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AB的中点C处挂一个重为Q的小球Q sketch template

如图所示半径为R的 1/4光�圆弧轨道最低点D与水平面相切在D点右侧L0=4R处用长为R的细绳将质量为m的小球B悬挂于O点小球B的下端 sketch template

$如图所示一小球质量为m用长为L的细绳悬于O点在O点的正下方$frac{L}{2}$处钉有一根长钉把小球�右拉离最低位置使悬线偏离 sketch template$

如图所示在圆柱形房屋天花板中心O点悬挂一根长为L的细绳绳的下端挂一个质量为m的小球已知绳能承受的最大拉力为FT=2mg小球在水平面内做 sketch template

如图所示长为L的细绳一端拴一质量为m小球另一端固定在O点绳的最大承受能力为11mg在O点正下方O/点有一小钉先把绳拉至水平再释放小球 sketch template

如图长为的细绳上端固定于O点O距地面2下端悬挂质量为M=5m的小铅块一颗质量为m的玩具子弹以v0=的速度水平�右射�小铅块�生无 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长为L的细绳一端固定在O点另一端系一质量为m的小球今将小球水平拉至A点静止释放在O点正下方何处钉一铁钉使小球刚好能绕点在竖直 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用一根长为L的细绳一端固定在O点另一端悬挂质量为m的小球A为使细绳与竖直方�夹30°角且绷紧小球A处于静止则需对小球施加的 sketch template

如图所示在倾角为α=30°的光�斜面上有一根长为L=08m的细绳一端固定在O点另一端系一质量为m=02kg的小球沿斜面做圆�运动 sketch template

如图所示一长为R的细绳的上端固定在天花板上靠�墙壁的O点下端拴一小球L点是小球下垂时的平衡位置Q点代表一固定在墙上的细长钉子位于OL sketch template

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