如图所示某人通过定�轮拉住一个重力等于g的物体使物体缓慢上升这时人从a点走到b点前进的距离为s绳子的方�由竖直方�变为与水平方�成θ角 Sketch Coloring Page

如图所示某人通过定�轮拉住一个重力等于g的物体使物体缓慢上升这时人从a点走到b点前进的距离为s绳子的方�由竖直方�变为与水平方�成θ角 Template

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More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

sketch #5055

anonymous

anonymous
sketch #5055

sketch #4646 Panda by Raimundo Santos

anonymous

anonymous
sketch #4646 Panda by Raimundo Santos

sketch #3749 Girl Ari Rainbow

anonymous

anonymous
sketch #3749 Girl Ari Rainbow

sketch #4834 Aayla Secura by Nînâ Yämâhä

anonymous

anonymous
sketch #4834 Aayla Secura by Nînâ Yämâhä

sketch #4728 Angry Toad by Geneval Mendes

anonymous

anonymous
sketch #4728 Angry Toad by Geneval Mendes

sketch #3765 Happy easter!

anonymous

anonymous
sketch #3765 Happy easter!

sketch #4383 4383

anonymous

anonymous
sketch #4383 4383

sketch #2969

anonymous

anonymous
sketch #2969

sketch #5220

anonymous

anonymous
sketch #5220

sketch #1041 strawberries

anonymous

anonymous
sketch #1041 strawberries

sketch #2828 One Direction Szabó Zoltán

Szabó Zoltán
sketch #2828 One Direction Szabó Zoltán

sketch #4566 Edward Scissorhands by Angel Ördoñez

anonymous

anonymous
sketch #4566 Edward Scissorhands by Angel Ördoñez

sketch #1448 donara

Donara Smbatyan
sketch #1448 donara

sketch #1110

anonymous

anonymous
sketch #1110

sketch #4942 Woman by Abbie Hayman

anonymous

anonymous
sketch #4942 Woman by Abbie Hayman

sketch #1927

anonymous

anonymous
sketch #1927

sketch #5201 Ponyta by WatasHi Satemura Oke

anonymous

anonymous
sketch #5201 Ponyta by WatasHi Satemura Oke

sketch #5093 Pedro Henrique Jordan Coquet

anonymous

anonymous
sketch #5093 Pedro Henrique Jordan Coquet

sketch #5306 Katarina by Mirnes Sinanovic

anonymous

anonymous
sketch #5306 Katarina by Mirnes Sinanovic

sketch #5222 Magic Art Tin Sheek

anonymous

anonymous
sketch #5222 Magic Art Tin Sheek

sketch #649

anonymous

anonymous
sketch #649

sketch #5203 Alien vs. Predator Ani Chachua

anonymous

anonymous
sketch #5203 Alien vs. Predator Ani Chachua

sketch #5340 Amazing Dragon

anonymous

anonymous
sketch #5340 Amazing Dragon

sketch #5063 Super Meat Boy by Alexander Volodimirovich Danilchenko

anonymous

anonymous
sketch #5063 Super Meat Boy by Alexander Volodimirovich Danilchenko

sketch #4387 dong air

anonymous

anonymous
sketch #4387 dong air

sketch #2735

Jorge Valero
sketch #2735

sketch #3244 Winnie the Pooh by Ashok Kumar Chaturvedi

anonymous

anonymous
sketch #3244 Winnie the Pooh by Ashok Kumar Chaturvedi

sketch #871 vampire girl anime

anonymous

anonymous
sketch #871 vampire girl anime

sketch #5156 Angry Bird by Roberto Castro Colimil

anonymous

anonymous
sketch #5156 Angry Bird by Roberto Castro Colimil

sketch #672 Snails pace

Rachel Roe
sketch #672 Snails pace

tomski如图所示某人通过定�轮拉住一个重力等于g的物体使物体缓慢上升这时人从a点走到b点前进的距离为s绳子的方�由竖直方�变为与水平方�成θ角 coloring

如图所示某人通过定�轮拉住一个重力等于G的物体使物体缓慢上升这时人从A点走到B点前进的距离为s绳子的方�由竖直方�变为与水平方�成θ角 sketch template

如图所示某人正通过定�轮用不可伸长的轻质细绳将质量为m的货物提升到高处．已知人拉绳的端点沿平面�右运动若�轮的质量和�擦均不计则下列说法 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

如图所示某人用绳通过定�轮拉小船设人匀速拉绳的速度为v0绳某时刻与水平方�夹角为α下列说法正确的是．A．小船将做加速直线运动B．小船将 sketch template

如图所示小华通过定�轮用力F’拉弹簧测力计另一端通过细绳拉长方体木块A木块A下面是一长木板B长木板B放在光�水平面上实验时拉着B沿 sketch template

百度教育 sketch template

如图所示物体A置于水平面上物A前固定有动�轮BD为定�轮．一根轻绳绕过DB后固定在C点BC水平当用力以速度υ拉绳子时物体沿水平 sketch template

22．如图8所示装置中长木板甲重20N物体乙重 10N甲乙之间用一根轻绳通过定�轮相连当 水平方�的拉力F的大小为6N时长木板甲恰 sketch template

如图4所示跨过定�轮的绳子一端固定在箱子上另一端由站在箱子上的人拉住已知箱子的质量为40kg人的质量为60kg当人以550N的力拉 sketch template

如图所示某人分别用300N和200N的力将同一个装有水的容器从地面直接搬到车上和通过斜面搬到车上．下列说法中不正确的是 A．用300N sketch template

如图所示在水平地面上�右做匀速直线运动的汽车通过定�轮用绳子吊起一物体若汽车和被吊物体在同一时刻的速度为υ1和υ2则下面说法正确的是 sketch template

如图甲所示某人�自行车在平直的路面上运动当人停止蹬车后阻力做功使自行车最终停止在此过程中阻力做的功W与人刚停止蹬车时自行车的速度v的 sketch template

某人通过如图所示的�轮组用2N的拉力F将物体M匀速提升了01m的距离若M重42N则有用功为042J此�轮组的机械效率为70% sketch template

百度教育 sketch template

如图所示某人用恒力F通过�轮把放在水平面上的物体�右拉动了L力的方�始终与水平方�成θ角求拉力F对物体做的功．题目和参考答案——青夏 sketch template

在探究定�轮和动�轮的省力特点时某同学做出如图所示实验．1在甲图中该同学分别用力F1F2F3使物体匀速上升则F1F2F3的 sketch template

一轮复习：动态平衡问题解题技巧知乎 sketch template

如图所示小宇同学用一个距离手3m高的定�轮拉住100N的物体他手拉绳子从�轮正下方沿水平方�移动4m如图所示若不计绳重和�擦他至�做 sketch template

如图所示两物体AB通过跨过定�轮的轻绳相连物体B静止于水平地面上不计�轮处的�擦力则下列说法中正确的是 A．绳对B的拉力大小等于 sketch template

如图所示在光�小�轮C正下方相距h的A处固定一电量为Q的点电荷电量为q的带电小球B用绝缘细线拴着细线跨过定�轮另一端用适当大小的力拉 sketch template

如图所示，固定在水平面上的光�半球，球心O的正上方固定一个小定�轮，细绳一端拴一小球，小球置于半球面上的A点，另一端绕过定�轮，如图所示。今 sketch template

8．如图4所示某人站在A处用一根绳子和两个�轮提起物体B画出最省力的绕线——青夏教育精英家教�—— sketch template

一轮复习：阿特伍德机类型知乎 sketch template

一轮复习：阿特伍德机类型知乎 sketch template

如图所示．用力的示意图画出木箱受到的支持力．——青夏教育精英家教�—— 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

一轮复习：动态平衡问题解题技巧知乎 sketch template

3．某人用50N的恒力F通过动�轮把重物拉上斜面如图5 11所示用力方�始终与斜面成60°角．将物体沿斜面�上移动1m他所做的功为 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

用如图所示甲乙两个�轮组分别提起相同的质量的物体．两个�轮组的动�轮的质量相同不计�擦则A．F甲> F乙η甲>η乙B．F甲 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

定�轮百度百� 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

如图所示某人用一个绳重和�擦均不计的�轮组提升重物．使重800N的物体匀速上升了1m己知拉绳子的力F为500N求1这个人做的有用功 sketch template

如图所示某人用绳通过定�轮拉小船设人匀速拉绳的速度为v0绳某时刻与水平方�夹角为α下列说法正确的是．A．小船将做加速直线运动B．小船将 sketch template

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