4． 如图所示将质量为m的物体置于固定的光�斜面上斜面的倾角为θ水平恒力f作用在物体上物体处于静止状态则物体对斜面的压力大小可以表示 Sketch Coloring Page

4． 如图所示将质量为m的物体置于固定的光�斜面上斜面的倾角为θ水平恒力f作用在物体上物体处于静止状态则物体对斜面的压力大小可以表示 Template

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tomski4． 如图所示将质量为m的物体置于固定的光�斜面上斜面的倾角为θ水平恒力f作用在物体上物体处于静止状态则物体对斜面的压力大小可以表示 coloring

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倾角为θ的斜面体放于水平面上质量为m的物块放在斜面上它们之间的�擦力都忽略不计．要使物块相对斜面静止不动斜面体�左 sketch template

如图所示质量分别为m2m的球AB由轻质弹簧相连后再用细线悬挂在正在竖直�上做匀减速运动的电梯内细线承受的拉力为F此时突然剪断细线 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倾角为θ的斜劈静止于粗糙平面上另一个质量为m的物体置于斜劈上如果在物体上施加一沿斜面�上的力F物体与斜劈仍然保持静止 sketch template

4． 如图所示将质量为m的物体置于固定的光�斜面上斜面的倾角为θ水平恒力F作用在物体上物体处于静止状态则物体对斜面的压力大小可以表示 sketch template

如图所示，现有质量分别为m、的小球a和物块b静置于光�的水平轨道上，水平轨道右端与光电装置相连，左端与一停在光�水平面上长为l、质量为的小车c sketch template

如图所示将质量为M的U形框架开口�下置于水平地面上用轻弹簧123将质量为m的小球悬挂起来．框架和小球都静止时弹簧1竖直弹簧23水平 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质量为m的物块随水平转盘绕竖直固定轴做匀速圆�运动角速度为ω物块到轴的距离为l则物块受到的�擦力大小为 A．ml2ω2B sketch template

如图20所示质量为M的斜面放在光�的水平面上质量为m的物体由静止开始从斜面的顶端�到底端在这过程中 A．Mm组成的系统满足动量守恒 sketch template

如图4所示质量为m1的物体A经跨过定�轮的轻绳与质量为M的箱子B相连箱子底板上放一质量为m2的物体C．已知m1＜M不计定�轮的质量和�擦 sketch template

如图所示质量为m的物体放在一固定斜面上当斜面倾角为θ=30°时恰能沿斜面匀速下�．重力加速度为g．1物体与斜面间的动�擦因数μ2 sketch template

如图所示相距为L的两条足够长的光�平行�属导轨与水平面的夹角为θ上端接有定值电阻R匀强磁场垂直于导轨平面磁感应强度为B．将质量为m的 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一对光�的平行�属导轨固定在同一水平面内导轨间距为L左端接有阻值为R的电阻一质量为m电阻为r的�属棒MN垂直放置在导轨上 sketch template

如图所示地面上有一固定的斜面体ABCD其AB边的长度S=2m斜面倾角为37°．光�水平地面上有一块质量M=3Kg的足够长的木板紧挨着斜面 sketch template

如图所示一个质量为m的物体放在倾角为θ的固定斜面上物体与斜面间的动�擦因数为μ．现对物体施一水平推力试分析设最大静�擦力等于�动�擦 sketch template

如图所示质量为m的物体在的水平力作用下沿倾角为q =30º的斜面�上匀速运动根据力学规律和题中提供的信息你还能求得哪几个作用力及跟�擦 sketch template

如图3所示一个质量为m的物体以某一速度由斜面底端冲上倾角为300的固定斜面其加速度大小为g在斜面上上升的最大高度为h则在这个过程中 sketch template

如图所示将质量为m的物体B放在质量为M 的光�的斜面A上当A在水平力F的作用下在光� 水平面上作匀加速直线运动时B物体恰好不下� 试求 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θl2水平拉直左端固定于墙上B点物体 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

24．如图7所示物体挂在弹簧测力计下用力的示意图表示出物体所受拉力的三要素——青夏教育精英家教�—— sketch template

如图所示在与水平地面成θ角的拉力F作用下质量为m的物块沿地面�右做匀速直线运动 1试求物体与地面间的�动�擦因数 2若把此力F 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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质量为m的物体静止在倾角为θ的斜面上物体与斜面间的动�擦因数为μ．现在使斜面体�右水平匀速移动距离L则�擦力对物体做功为物体与 sketch template

如图所示用水平恒力F将质量为m的小物体沿倾角为θ的斜面由静止开始从斜面底端推至顶端并使其速度达到v斜面长为s小物体与斜面之间的�擦因数 sketch template

4． 如图所示将质量为m的物体置于固定的光�斜面上斜面的倾角为θ水平恒力F作用在物体上物体处于静止状态则物体对斜面的压力大小可以表示 sketch template

4．如图所示将质量为m的�块放在倾角为的固定斜面上�块与斜面之间的动�擦因数为若�块与斜面之间的最大静�擦力和�动�擦力大小相等重力 sketch template

如图所示物体浸没在水中时受到的浮力大小为 N如果直接将物体放入水中它将 选填“上浮 “悬浮或“下沉从图乙丙可知浮力的大小 sketch template

如图所示质量为M倾角为α的斜面体被固定在水平地面上斜面顶端与劲度系数为k自然长度为l的轻质弹簧相连弹簧的另一端连接着质量为m的物块 sketch template

如图所示倾角为α的斜面体放在粗糙的水平面上质量为m的物体A与一劲度系数为k的轻弹簧相连现用拉力F沿斜面�上拉弹簧使物体A在光�斜面上 sketch template

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