如图所示用200n的拉力拉着物体a在水平面上匀速前进物体b以01ms的速度匀速前进．若a与�轮相连的绳子c受的拉力大小是140n不计 Sketch Coloring Page

如图所示用200n的拉力拉着物体a在水平面上匀速前进物体b以01ms的速度匀速前进．若a与�轮相连的绳子c受的拉力大小是140n不计 Template

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tomski如图所示用200n的拉力拉着物体a在水平面上匀速前进物体b以01ms的速度匀速前进．若a与�轮相连的绳子c受的拉力大小是140n不计 coloring

如图所示用200N的拉力拉着物体A在水平面上匀速前进物体B以01m/s的速度匀速前进．若A与�轮相连的绳子C受的拉力大小是140N不计 sketch template

题目如图所示工人用�轮组提升重200N的物体所用的拉力为125N 物体在5s内匀速上升2m．求1绳子自由端移动的速度2 sketch template

如图1所示小雨用200N的拉力利用�轮组在空中匀速提升密度为3×103kg/m3的物体A此时机械效率为90%不计绳重�擦和水的阻力求 sketch template

利用如图所示装置将重为200N的物体A匀速从斜面的底端拉到顶端．已知斜面的长是5m高是2m拉力F=100N求在此过程中所做的有用功和该 sketch template

如图所示质量是20kg的小车在一个与斜面平行的200N的拉力作用下由静止开始前进了3m斜面的倾角为30°小车与斜面间的�擦力忽略不计 sketch template

如图所示用200N的拉力拉着物体A在水平面上匀速前进物体B以01m/s的速度匀速前进．若A与�轮相连的绳子C受的拉力大小是140N不计 sketch template

小明同学用图装置拉动物体A使重为200N的物体在3s内沿水平面匀速移动了4m若A受到地面的�擦力为50N小明作用在绳子上的拉力F为20N sketch template

如图所示三条轻绳共同连结于O点AB固定在天花板上另一条绳下端挂一重200N的物块处于静止状态．绳的方�如图所示．求OAOB两绳的 sketch template

如图所示用F为40 N的拉力通过�轮组拉着重为300 N的物体A在水平面上以04 M/s的速度�左做匀速直线运动物体受到的�擦力是物重 sketch template

如图所示用F=50N的水平拉力通过一个动�轮使重为200N的物体A水平�右匀速移动了3m在这个过程中 A．拉力F做了150J的功B sketch template

1如图1所示工人用200N的沿斜面�上的推力将一个物重为300N的木箱推上斜面．请作出木箱受到的重力和推力的图示．2如图2所示一 sketch template

如图所示放在固定斜面上的物体右端与劲度系数为k=200N/m的轻质弹簧相连．手以沿斜面�上的力拉弹簧的右端作用点移动10cm时物体开始 sketch template

如图所示用�轮组拉着重600N的物体A沿水平方�匀速移动40s内移动了8m拉力F所做的功为2400J．1画出A物体受到的所有的力的 sketch template

如图所示用200N的拉力拉着物体A在水平面上匀速�左运动物体A与�轮相连的绳子所受的拉力为A所受�擦力的4倍若不计�轮重绳重及�轮装置 sketch template

如图所示用与地面成30°角的斜�上的力拉着小车�右运动拉力大小为200牛用力的图示法画出这个拉力．题目和参考答案——青夏教育精英家教�—— 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

15．如图所示用F=6N的水平�右的拉力匀速拉动物块A时物块B静止不动此时弹簧测力计的示数为4N则物块B所受�擦力的大小为 N�擦 sketch template

如图所示用细线悬着一个小球在空中沿水平面做匀速圆�运动小球受到的作用力是 A．重力和细线的拉力 B．重力细线的拉力离心力 C．重力 sketch template

光�水平地面上叠放着两个物体A和B如图7所示．水平拉力F作用在物体B上使AB两物体从静止出�一起运动．经过时间t撤去拉力F再经过时间 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 小明用10N的水平拉力F拉动木板A在水平地面上�右匀速运动 物体B相对地面静止不动弹簧测力计示数为6 出卷� 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水平面上叠放着两个物体A和BmA=2kgmB=3kg两物体在10N的水平拉力作用下一起做匀速直线运动则A和B之间的�擦力大小 sketch template

如图所示用恒力F拉一个质量为m 的物体由静止开始在水平地面沿直线运动的位移为s力F与物体运动方�的夹角为α已知物体与地面的动�擦因数为 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

如图所示用F=200牛的拉力拉着物体A以3米/秒的速度在水平地面上匀速前进则物体B的运动速度为66米/秒．若物体B与水平地面的�擦力大小为 sketch template

如图所示的�轮组拉动物体A沿水平地面匀速前进已知物体A的重力为500N拉力大小为50N则物体与地面间的�擦力f=150150N若物体 sketch template

如图所示物体在一个沿斜面的拉力F的作用下以一定的初速度沿倾角为30°的斜面�上做匀减速运动加速度的大小为a=3m/s2物体在沿斜面�上 sketch template

14．如图8所示用恒力F通过光�的定�轮将静止于水平面上的物体从位置A拉到位置B物体可视为质点定�轮距水平面高为h物体在位置AB时 sketch template

如图所示受斜�上的恒定拉力作用物体在粗糙水平面上做匀速直线运动则下列说法中正确的是 A．．物体受二个力的作用B．物体受到三个力的作用 sketch template

如图所示重10N的物体放在水平面上用手拉弹簧测力计使物体沿水平方�做匀速直线运动物体受到�擦力为2828N当拉力增大使弹簧测力计的示 sketch template

24．如图所示在倾角θ=37°的足够长的固定的斜面底端有一质量m=10kg的物体物体与斜面间动�擦因数µ =025现用轻细绳将物体由 sketch template

题目如图所示工人用200N的拉力在15s的时间内将重510N的建�材料提升到6m高的楼顶上不计绳重及�擦求1拉力做功的功率 sketch template

如图所示通过�轮组用150N的拉力在20s内将重为420N的物体匀速提升3m不计绳重和�擦求1动�轮的重2若物重再增加 sketch template

如图所示用绳子系住小球靠在墙上物体重16N绳受到20N拉力试画出物体受到重力和拉力的示意图．题目和参考答案——青夏教育精英家教�—— sketch template

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