如图所示�轮组在拉力f1的作用下拉着重300n的物体a以1ms的速度在水平面上匀速移动物体a匀速运动时受的阻力为70n拉力f的功率为 Sketch Coloring Page

如图所示�轮组在拉力f1的作用下拉着重300n的物体a以1ms的速度在水平面上匀速移动物体a匀速运动时受的阻力为70n拉力f的功率为 Template

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sketch #4852

anonymous

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sketch #1950

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sketch #5221

anonymous

anonymous
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sketch #3599 Lovely pencil face

anonymous

anonymous
sketch #3599 Lovely pencil face

sketch #3259

anonymous

anonymous
sketch #3259

sketch #3455 Enya by Georai Shahar

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anonymous
sketch #3455 Enya by Georai Shahar

sketch #5165 Marceline by Marvin Chrome

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anonymous
sketch #5165 Marceline by Marvin Chrome

sketch #5277 League of Legends champions by Sylvie Rieux

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anonymous
sketch #5277 League of Legends champions by Sylvie Rieux

sketch #3372 Erza by Konstantin Kuznetsov

anonymous

anonymous
sketch #3372 Erza by Konstantin Kuznetsov

sketch #5135 &#;Hypno Colorfull&#; by Lars Tunebo

anonymous

anonymous
sketch #5135 &#;Hypno Colorfull&#; by Lars Tunebo

sketch #944

Laura Agapi Asnicar
sketch #944

sketch #3296

anonymous

anonymous
sketch #3296

sketch #2699 Girl in shades Ashok Kumar Chaturvedi

Ashok Kumar Chaturvedi
sketch #2699 Girl in shades Ashok Kumar Chaturvedi

sketch #3662 Angel by Alexander Volodimirovich Danilchenko

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anonymous
sketch #3662 Angel by Alexander Volodimirovich Danilchenko

sketch #865

Laura Agapi Asnicar
sketch #865

sketch #5203 Alien vs. Predator Ani Chachua

anonymous

anonymous
sketch #5203 Alien vs. Predator Ani Chachua

sketch #5279

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anonymous
sketch #5279

sketch #1643

anonymous

anonymous
sketch #1643

sketch #4778

anonymous

anonymous
sketch #4778

sketch #474 waa

anonymous

anonymous
sketch #474 waa

sketch #2672

Fabio Sala
sketch #2672

sketch #5437 Mikasa from Attack on Titan by Manimarmuthu Muthu

anonymous

anonymous
sketch #5437 Mikasa from Attack on Titan by Manimarmuthu Muthu

sketch #2573 homer simpson

anonymous

anonymous
sketch #2573 homer simpson

sketch #3613

anonymous

anonymous
sketch #3613

sketch #3489 Panda by Scott Terry

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anonymous
sketch #3489 Panda by Scott Terry

sketch #5262

anonymous

anonymous
sketch #5262

sketch #5137 Happy Halloween! by Guillaume Ballieu

anonymous

anonymous
sketch #5137 Happy Halloween! by Guillaume Ballieu

sketch #4751 Ruko by Rodrigo Marcos

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anonymous
sketch #4751 Ruko by Rodrigo Marcos

sketch #4700

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anonymous
sketch #4700

sketch #20840 Dog by Laur Ūūtiis

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anonymous
sketch #20840 Dog by Laur Ūūtiis

tomski如图所示�轮组在拉力f1的作用下拉着重300n的物体a以1ms的速度在水平面上匀速移动物体a匀速运动时受的阻力为70n拉力f的功率为 coloring

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

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

用四个�轮和两根相同的绳子组成如图所示的甲、乙两个�轮组用它们匀速提起货物在绳自由端施加竖直的拉力分别为F甲和F乙物重分别为G甲和G乙 sketch template

如图所示�轮组在拉力F1的作用下拉着重300N的物体A以1m/s的速度在水平面上匀速移动物体A匀速运动时受的阻力为70N拉力F的功率为 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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

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

分别用图甲乙丙所示的�轮组匀速提起同一重物G时所用的拉力分别为F1F2和F3若不计�轮重及�擦这三个力的关系为 A．F1＜F2 sketch template

百度教育 sketch template

如图所示，是探究某根弹簧的伸长量x与所受拉力F之间的关系图，由图可知，弹簧的劲度系数是 N/m，当弹簧受F 2=800N的拉力作用时，弹簧伸长 sketch template

如图所示的物体A静止在斜面上请画出物体A所受重力的示意图画出图乙中细线对木块A拉力的示意图．题目和参考答案——青夏教育精英家教�—— sketch template

如图所示每个�轮均重12N用�轮组拉着重600N的物体A沿水平方�匀速移动在40s内物体移动了8m拉力F做的功为1280J．不计绳重 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

一轮复习：动态平衡问题解题技巧知乎 sketch template

如图所示是由三个相同的�轮组装成提升重物的装置固定点O所能承受的最大拉力为2300N．在不计绳重和轴的�擦情况下假设绳子足够结实提起 sketch template

一轮复习：动态平衡问题解题技巧知乎 sketch template

如图所示水平面上叠放着两个物体A和BmA=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

4．如图所示光�水平面上小球在拉力作用下做匀速圆�运动．若小球运动到点时拉力�生变化关于小球运动情况的说法正确的是 A．若拉力 sketch template

如图所示用�轮组牵引小车沿水平地面匀速前进图中甲甲�轮是定�轮乙乙�轮是动�轮．已知小车的重量G=5N拉力大小F=3N则物体与地面 sketch template

如图所示杠杆在重物G和拉力F1作用下处于平衡状态如果用拉力F2代替F1并使杠杆保持水平平衡状态不变F1 F2——青夏教育精英家教�—— sketch template

如图所示四个�轮组如果�轮的重力和一切�擦及丙组的板重不计重物G的重力为600N．要将重物匀速提起四种情况下拉力F分别为F甲= F乙 sketch template

如图所示，物体在沿斜面�上拉力的作用下，从倾角为30°的斜面底端匀速拉到斜面的顶端，已知物体所受重力为G，斜面的机械效率为75%，若物体受到的 sketch template

一轮复习：阿特伍德机类型知乎 sketch template

小明利用如图所示的�轮组将重为900N的物体从一楼匀速提升到六楼所用的拉力为360N绳子自由端移动的速度为03m/s．求1小明所用 sketch template

如图所示的�轮组绳端在拉力F的作用下使物体A匀速上升则 A 拉力F所做的功为有用功B 钩码对物体A所做的功为总功C sketch template

如图所示用�轮组提起一个密度为25×103kg/m3体积为004m3的石块作用在绳子自由端的拉力F为400N石块在20s内匀速上升 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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

在生产生活中人们会用到轮轴轮轴由具有公共转轴的轮子和轴构成．1辘轳就是轮轴的一种它的侧面图如图甲所示辘轳也可以看成是杠杆的变形 sketch template

如图，拉力F的大小为8N，叠放在一起的物体A和B在拉力F的作用下沿水平方�做匀速直线运动，则下列结论正确的是（） A甲、乙两图中物体B受到的 sketch template

一轮复习：阿特伍德机类型知乎 sketch template

如图所示皮带传动中O1O2两轮的轴固定当主动轮O1先逆时针转动时不打�的皮带也使从动轮O2逆时针转动试确定两轮边缘上的A点和B点所 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分别用两个�轮组在相同的时间内将重相同的物体G匀速提升相同的高度每个�轮的重均相同．不计绳重及�擦此过程中 A．甲的机械 sketch template

10．用相同的定�轮和动�轮组成甲乙两个�轮组如图8所示用它们来提升同一重物甲�轮组将重物举高1m乙�轮组将重物举高2m在不计绳 sketch template

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