如图3所示用50n的压力f把重4n的物体压在竖直的墙上保持静止墙面对物体的�擦力为 N若压力f增大为100n则墙对物体的�擦力为 N Sketch Coloring Page

如图3所示用50n的压力f把重4n的物体压在竖直的墙上保持静止墙面对物体的�擦力为 N若压力f增大为100n则墙对物体的�擦力为 N Template

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anonymous
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sketchmaster
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tomski如图3所示用50n的压力f把重4n的物体压在竖直的墙上保持静止墙面对物体的�擦力为 n若压力f增大为100n则墙对物体的�擦力为 n coloring

如图3所示用50N的压力F把重4N的物体压在竖直的墙上保持静止墙面对物体的�擦力为 N若压力F增大为100N则墙对物体的�擦力为 N sketch template

用如图所示�轮组提起重物不计�擦如物重G为130N拉力F为50N动�轮重为20N若绳子的自由端�上拉06m则重物升高02m．若 sketch template

如图甲所示物体甲重30N被50N的水平压力F甲压在竖直墙壁上保持静止．如图乙所示物体乙重60N在40N 的水平拉力F乙作用下 sketch template

如图甲所示物体甲重30N被50N的水平压力F甲压在竖直墙壁上保持静止．如图乙所示物体乙重60N在40N 的水平拉力F乙作用下 sketch template

如图甲所示物体甲重40N被50N的水平压力F甲压在竖直墙壁上保持静止．如图乙所示物体乙重60N在35N的水平拉力F乙作用下沿水平桌面 sketch template

1作出下图中不倒翁的受力示意图．2如图所示重为100N的物块静止在水平地面上．现用50N的水平推力�右推物块画出物块所受重力G和 sketch template

如图甲所示物体甲重20N被50N的水平压力F甲压在竖直墙壁上保持静止．如图乙所示物体乙重60N在30N的水平拉力F乙作用下沿 sketch template

如图甲所示物体甲重30N被50N的水平压力F甲压在竖直墙壁上保持静止．如图乙所示物体乙重60N在40N的水平拉力F乙作用下沿 sketch template

如图所示物体A重30N用F等于50N的力垂直压在墙上静止不动则物体A所受的�擦力是30N物体B重50N受到力F等于20N的水平推力 sketch template

如图甲所示物体甲重20N被50N的水平压力F甲压在竖直墙壁上保持静止．如图乙所示物体乙重60N在30N的水平拉力F乙作用下沿 sketch template

百度教育 sketch template

百度教育 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甲所示，水平桌面上放置一圆筒，筒内装有适量的水。弹簧测力计下悬挂一圆柱体，从液面逐渐浸入直到浸没，弹簧测力计示数F与圆柱体下表面浸入液体 sketch template

如图所示，三个物体浸没在水中，其中A正在上浮，B在悬浮，C在下沉，则A受到的浮力重力，B受到的浮力重力，C受到的浮力重力。（均选填“大于 sketch template

29．如图所示使一薄钢条下端固定现分别用不同的力去推它使其�生甲乙丙丁各图所示的形变如果F1=F3=F4&gtF2能说明力的作用 sketch template

题目如图物体A与足够长的木板B通过定�轮用不可伸长的轻绳相连物体A的质量mA=2kg对A施加水平�左F =20N的压力使木板B被压 sketch template

利用如图所示的装置工人用力F把重为100N的物体以02m/s的速度匀速提升6m．若不计绳重和�擦则这一过程中 A拉力F的大小为 sketch template

如图用50N的压力F将重20N的物A紧紧压在墙壁上物体以02m/s的速度沿墙壁匀速下�那么物体A与墙壁之间的�擦力为 A sketch template

如图用50N的水平压力F把重6N的物体压在竖直的墙上保持静止墙面对物体的�擦力是 N若把推力增大为120N则墙面对物体的�擦力是 N sketch template

用竖直�下的力F=5N把重为8N的木块压入水中如图所示木块恰好处于平衡状态此时木块受到的浮力是 N撤去压力当木块静止后受到的浮力是 sketch template

18．如图所示重为6N的长方体浸没在水中上表面受到水的压力为4N则物体的质量为06kg密度为225×103kg/m3 ．——青夏 sketch template

10．用图所示的�轮组水平拉动重为100N的物体以05 M／s的速度在水平地面上匀速运动若物体受到的�擦力为60 N不计机械自重和�擦 sketch template

如图所示AB两物体的重力分别是GA=3NGB=4NA用悬绳挂在天花板上B放在水平地面上AB间的轻弹簧的弹力F=2N则绳中张力 sketch template

2．如图所示在不计绳重和�擦的情况下用动�轮把重40N的物体匀速提高2m所用的拉力为25N则拉力做功是 J动�轮的机械效率是果把 sketch template

如图甲所示物体甲重40N被50N的水平压力F甲压在竖直墙壁上保持静止．如图乙所示物体乙重60N在35N的水平拉力F乙作用下沿水平桌面 sketch template

如图所示用动�轮把重400N的物体在20s内匀速提高10m拉力所做的功为5000J．求1动�轮的机械效率2拉力的功率．题目和 sketch template

如图甲所示物体甲重20N被50N的水平压力F甲压在竖直墙壁上保持静止．如图乙所示物体乙重60N在30N的水平拉力F乙作用下沿 sketch template

如图所示的电路中，电源电压保持不变。闭合开关S后，�片P从b端移动到a端的过程，电压表示数U与电流表示数I的关系图像如图所示。下列说法正确的是（ sketch template

一平底玻璃杯重14N底面积为20cm2杯内盛水水深6cm水重04N放在水平桌面上．水的密度p水=1×103kg/m3求 sketch template

如图3所示竖直平面内固定一个半径为的光�圆形轨道底端切线方�连接光�水平面处固定竖直档板间的水平距离为质量为的物块从点由静止释放沿 sketch template

八年级物理下册第十章《浮力》第1节浮力同桌100学习� sketch template

如图3所示AB两轮半径之比为13两轮边缘挤压在一起在两轮转动中接触点不存在打�的现象则两轮边缘的线速度大小之比等于 A轮的角 sketch template

6．如图2所示水平地面上的物体A在斜�上的拉力F作用下�右作匀速直线运动则 A．物体A可能不受地面支持力的作用 B．物体A可能受到三个 sketch template

如图所示用50N的水平压力将一重20N的木块压在竖直的墙壁上当木块沿竖直方�匀速下�时木块受到的�擦力的大小是 A．20NB sketch template

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