如下图所示重为100n的物体a在水平拉力f的作用下沿水平面以04m／s的速度作匀速直线运动弹簧秤的示数为5n不计�轮绳子弹簧秤的 Sketch Coloring Page

如下图所示重为100n的物体a在水平拉力f的作用下沿水平面以04m／s的速度作匀速直线运动弹簧秤的示数为5n不计�轮绳子弹簧秤的 Template

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tomski如下图所示重为100n的物体a在水平拉力f的作用下沿水平面以04m／s的速度作匀速直线运动弹簧秤的示数为5n不计�轮绳子弹簧秤的 coloring

如下图所示重为100N的物体A在水平拉力F的作用下沿水平面以04m／s的速度作匀速直线运动弹簧秤的示数为5N不计�轮绳子弹簧秤的 sketch template

题目分别用如图所示的两个�轮组将同一物体提升到相同高度若物体受到的重力为100N动�轮的重力为20N．在把物体匀速提升1m的过程中 sketch template

如图所示重100N的均匀木棒AB在细绳拉力作用下保持静止．请你画出木棒所受拉力的力臂及所受重力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重100N的均匀木棒悬挂在空中在竖直�上的力F作用下保持静止以点O为支点请你画出力F的力臂L和木棒所受重力的示意图．题目和 sketch template

如图所示重100N的物体A在拉力F的作用下以1m/s的速度在水平面上匀速直线运动了2s该装置的机械效率为80%．上述过程中 A．墙面 sketch template

如图所示重力G=100N的物体置于水平面上给物体施加一个与水平面成θ=30°的拉力FF=20N受到力F作用后物体仍然处于静止状态．物体 sketch template

如图所示重为100N的物体A在大小为20N方��右的水平拉力F的作用下做匀速直线运动．经过3s物体A在水平面上�左移动了30cm的距离 sketch template

如图所示物体A和B所受重力都为100N�轮重均为20N当分别用力匀速提升重物A和B时FA为 N FB为 N．题目和参考答案——青夏 sketch template

题目用图甲所示的�轮组运送货物上楼每件货物重100N每次运送的量不定图乙记录了在整个过程中�轮组的机械效率随货物重力增加而变化的图象 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1所示重为100N的物体在水平面上�右运动物体与水平面的动�擦因数为02与此同时物体受到一个水平�左的力F=20N那么物体受到的 sketch template

【题目�用图甲所示的�轮组运送货物上楼，每件货物重100N，每次运送的量不定，图乙记录了在整个过程中�轮组的机械效率随货物重力增加而变化的图象 sketch template

12．如图所示重为100N的物体在与水平方�成60°角的拉力F=10N作用下以2m/s的速度匀速运动在10s内拉力F的冲量大小等于 sketch template

重为100N的物体置于水平面上在如图3所示的拉力F作用下处于静止状态则下列说法正确的是 A力是维持物体运动状态的原因B物体所受的 sketch template

如图所示一重为120N的球固定在弹性杆AB的上端今用测力计沿与水平方�成37°角斜�右上方拉球使杆�生弯曲此时测力计的示数为100N 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

用如图所示的�轮组匀速提升重为100N的物体拉力F=60N�轮组的机械效率为 在物体匀速上升的过程中物体的动能 物体的重力势能选 sketch template

如图所示ABC三个物块重力均为100N小球P的重力为20N作用在物块B上的水平�左的拉力F=30N整个系统静止与物块C相连的轻绳 sketch template

如图5所示斜面长6 M高3m用沿斜面�上大小为100N的拉力F使物体在5s内沿斜面移动了2 M下列说法正确的是 A�轮组的 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重为100N的物体在与水平方�成60°角的拉力F=10N作用下以2m/s的速度匀速运动在10s内拉力F的冲量大小等于100N sketch template

如图所示重为100N的物体由OAOB两条细绳悬挂在两边的墙壁上处于静止状态已知OA绳处于水平状态OB绳与水平方�夹角为600分别求 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

利用如图3 所示装置将重为100N 的物体匀速从斜面的底端拉到顶端已知斜面的长是5m 高是2m 拉力为F=50N 则该装置的机械效率为 sketch template

4．用如图2所示的�轮组把重100N的物体匀速提升05m所用的拉力是80N下列说法中正确的是 A．总功是50J有用功是80J B sketch template

如图所示重500N的物体在100N的水平拉力作用下沿水平地面以05m/s的速度匀速运动10s．在这个过程中拉力做功的功率是 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

重为100N的物体在水平面上�右运动同时受到一个�左的5N的水平拉力作用若物体和水平面间的动�擦因数为01则水平面对物体的�擦力的大小 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

20．如下图所示物体A重10N物体与竖直墙的动�擦因系数为0．4用一个与水平方�成37°角的力F作用在物体上要使物体A沿墙作匀速运动则 sketch template

如图所示重500N的物体与地面间的�擦力为144N为使物体匀速移动6m必须在绳的自由端加60N的水平拉力．那么拉力做的有用功是 J此 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

如下图所示物体重1000N动�轮重200N不计绳重和�擦用力F匀速提起重物拉力F为 N此装置的机械效率为 若物体的重力减为 sketch template

如图所示将一重为1000N的物体沿斜面匀速推到汽车上已知斜面的高为15m斜面长为3m若沿斜面的推力为600N则A推力做的功为 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

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