如图所示原来静止的物体a在水平拉力f作用下沿水平面做直线运动速度逐渐增大则拉力fa．一定大于阻力ff B．一定等于阻力ff C Sketch Coloring Page

如图所示原来静止的物体a在水平拉力f作用下沿水平面做直线运动速度逐渐增大则拉力fa．一定大于阻力ff B．一定等于阻力ff C Template

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sketch #2901 Smurf by Ronny Alexander Nikolaevich

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sketch #2895 Hulk by Dmitry Cherepanin

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tomski如图所示原来静止的物体a在水平拉力f作用下沿水平面做直线运动速度逐渐增大则拉力fa．一定大于阻力ff b．一定等于阻力ff c coloring

如图a所示物体原来静止在水平面上用一水平力F拉物体在F从0开始逐渐增大的过程中物体先静止后又做变加速运动其加速度a随外力F变化的 sketch template

如图所示重为80N的物体在大小为20N方�水平�右的拉力F1作用下在水平面上以2m/s速度做匀速直线运动．当撤去拉力F1物体静止后 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一物体在水平地面上物体受到水平�右的推力F1=8N水平�左的推力F2=2N的作用物体处于静止状态．则下面判断正确的是 A sketch template

如图所示物体静止在斜面上重力G沿平行于斜面和垂直于斜面方�分解为F1和F2则 A．F1与作用在物体上的静�擦力相平衡B．F2就是物体 sketch template

如图所示一轻质弹簧的下端固定在水平面上上端叠放着两个质量均为M的物体A、B物体B与弹簧拴接弹簧的劲度系数为k初始时物体处于静止 sketch template

如图所示两物体处于静止状态它们的质量m1=2m2它们与水平面间的动�擦因数为开始它们之间被细绳连接并夹一压缩状态的轻质弹簧当烧断 sketch template

如图所示原来静止的物体A在水平拉力F作用下沿水平面做直线运动速度逐渐增大则拉力FA．一定大于阻力Ff B．一定等于阻力Ff C sketch template

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示数为4N则物块B所受�擦力大小及方�为 A sketch template

如图所示．物体A放在某一水平面上已知物体A重80NA与水平面之间的动�擦因数为μ=03AB均处于静止状态绳AC水平绳CD与水平方� sketch template

如图所示叠放在一起的物体A和B在大小为F的恒力作用下沿水平面做匀速直线运动则下列结论中正确的是 A．甲乙两图中A物体所受的�擦力大小均 sketch template

如图所示质量为m1和m2的两个材料相同的物体用细线相连在大小恒定的拉力F作用下先沿水平面再沿斜面最后竖直�上运动在三个阶段的运动中 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图1中一个物体连接一个轻弹簧在水平恒力F的作用下当水平地面光�物体匀加速运动时弹簧的长度为l1当水平地面粗糙物体正好做匀速 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地面上的物体A在斜�上的拉力F的作用下�右做匀速直线运动则关于下列物体受力情况的说法中正确的是 A．物体A可能只受到二个 sketch template

如图所示三个质量相同的物体分别受到竖直�上的拉力作用处于不同的状态甲静止乙以5m/s的速度�上作匀速直线运动丙以5m/s的速度�下作 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

如图所示放在水平面上质量为m的物体受一个斜上的拉力F这个力与水平方�成角在此力作用下物体水平�右匀速�动求1物体与水平面间的动 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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

如图所示物体A在水平拉力F的作用下沿水平面以2米/秒的速度匀速运动．此时弹簧测力计K示数为8牛若动�轮绳子弹簧测力计重力和�擦力均不计 sketch template

题目如图所示在水平拉力F的作用下物体沿水平面以速度v�右匀速运动了距离s若物体重力为G桌面对物体的�擦力为f下列说法正确的是 sketch template

如图所示物体在恒力F作用下沿曲线从A运动到B这时突然使它所受的力反�而大小不变在此力作用下物体以后的运动情况下列说法正确的是 A 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

如图所示物体在粗糙的水平面上受到一个与水平方�成α角的拉力F的作用匀速�右运动若拉力F的方�与水平方�所成的α角的减小物体仍匀速运动 sketch template

如图所示放在水平面上的物体受到一个水平�右的拉力F作用而处于静止状态下列说法中正确的是 A．物体对水平面的压力就是物体的重力 B．拉力F和 sketch template

如图所示放在水平地面上的物体受到一个与水平方�成37°斜�下的拉力F=50N的作用下�右做匀速直线运动其中拉力F=50N物重G=100N sketch template

百度教育 sketch template

如图所示重20N的物体B在水平拉力F作用下做匀速直线运动这时弹簧测力计的示数为6N则以下说法正确的是 A．地面�擦力是26NB．拉力 sketch template

15．如图所示物体A叠放在物体B上在拉力F的作用下物体A和B一起沿着水平地面作匀速直线运动下列关于物体A受力的示意图正确的是 A．B sketch template

百度教育 sketch template

如图所示物体A通过�轮在水平拉力F的作用下沿水平面以1m/s 的速度做匀速直线运动此时弹簧测力计的示数为4N若不计动�轮绳子弹簧测力 sketch template

如图所示物体A静止在光�的水平面上A的左边固定有轻质弹簧与A质量相同的物体B以速度v�A运动并与弹簧�生碰撞AB始终沿同一直线运动 sketch template

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