如图所示的�轮组可忽略绳重和�擦．用弹簧测力计竖直�上匀速拉动绳端将重为6n的物体提升20cm弹簧测力计的示数如图所示则拉力做的功为1 Sketch Coloring Page

如图所示的�轮组可忽略绳重和�擦．用弹簧测力计竖直�上匀速拉动绳端将重为6n的物体提升20cm弹簧测力计的示数如图所示则拉力做的功为1 Template

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More Sketches

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

sketch #2195

anonymous

anonymous
sketch #2195

sketch #3247 Thor by Juvenilia Alexandrino

anonymous

anonymous
sketch #3247 Thor by Juvenilia Alexandrino

sketch #4264 oh yeah

anonymous

anonymous
sketch #4264 oh yeah

sketch #1899 blue

anonymous

anonymous
sketch #1899 blue

sketch #4632

anonymous

anonymous
sketch #4632

sketch #5165 Marceline by Marvin Chrome

anonymous

anonymous
sketch #5165 Marceline by Marvin Chrome

sketch #819

Laura Agapi Asnicar
sketch #819

sketch #5271

anonymous

anonymous
sketch #5271

sketch #944

Laura Agapi Asnicar
sketch #944

sketch #5027

anonymous

anonymous
sketch #5027

sketch #5258 Adventure Time by Kheith Ryan Lubiano

anonymous

anonymous
sketch #5258 Adventure Time by Kheith Ryan Lubiano

sketch #20471

anonymous

anonymous
sketch #20471

sketch #302

Chrystal Smith
sketch #302

sketch #933 mts

anonymous

anonymous
sketch #933 mts

sketch #5183

anonymous

anonymous
sketch #5183

sketch #3204 eminem

anonymous

anonymous
sketch #3204 eminem

sketch #1119 crimson

anonymous

anonymous
sketch #1119 crimson

sketch #4582 Pikachu by Mariana Sanchez Acevedo

anonymous

anonymous
sketch #4582 Pikachu by Mariana Sanchez Acevedo

sketch #4942 Woman by Abbie Hayman

anonymous

anonymous
sketch #4942 Woman by Abbie Hayman

sketch #4970

anonymous

anonymous
sketch #4970

sketch #828 Were Fools

anonymous

anonymous
sketch #828 Were Fools

sketch #3410

anonymous

anonymous
sketch #3410

sketch #2579

Laura Agapi Asnicar
sketch #2579

sketch #2058

Raisa Mahmud
sketch #2058

sketch #1446

anonymous

anonymous
sketch #1446

sketch #137

Chris Shrimp Lonsdale
sketch #137

sketch #3676 Sceptical horse by Koes Maung

anonymous

anonymous
sketch #3676 Sceptical horse by Koes Maung

sketch #4953 Bird by Ervin Haxhija

anonymous

anonymous
sketch #4953 Bird by Ervin Haxhija

sketch #2828 One Direction Szabó Zoltán

Szabó Zoltán
sketch #2828 One Direction Szabó Zoltán

sketch #2593 Tweety by sketchmaster

sketchmaster
sketch #2593 Tweety by sketchmaster

tomski如图所示的�轮组可忽略绳重和�擦．用弹簧测力计竖直�上匀速拉动绳端将重为6n的物体提升20cm弹簧测力计的示数如图所示则拉力做的功为1 coloring

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

如图所示的�轮组可忽略绳重和�擦．用弹簧测力计竖直�上匀速拉动绳端将重为6N的物体提升20cm弹簧测力计的示数如图所示则拉力做的功为1 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

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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

测定如图所示的�轮组的机械效率 1实验所需器材除钩码弹簧测力计�轮铁架台外还需要 和 2如果将两个1N的钩码匀速提升 sketch template

工地上用如图所示的卷扬机和�轮组从竖直深井中提取泥土．将一筐泥土以02m/s的速度竖直�上匀速提升时卷扬机对绳的拉力F为100N此时�轮 sketch template

利用如图所示的甲乙两�轮组在相同的时间内用大小相同的力F1和F2分别把质量相等的重物G1和G2提升到相同的高度则 A．甲�轮组的机械 sketch template

一轮复习：动态平衡问题解题技巧知乎 sketch template

一轮复习：阿特伍德机类型知乎 sketch template

用如图所示的�轮组提升重物所用的拉力是100N动�轮重为80N则用此�轮组能提起 N的重物若将重物提高3m那么绳端要拉过 M．——青 sketch template

如图所示是小明同学测�轮组机械效率的实验装置图．他在2s内做了2．4J的有用功使重物匀速上升了0．4m不计绳重及�擦．请你回答 1弹簧 sketch template

用如图所示的�轮组匀速提升浸没在水中的物体，已知G=3900N。圆柱形容器底面积S=06m²，物体浸没在水中时水面高度为100cm，当物体 sketch template

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10N．把物体匀速提升1m的过程中下列说法不 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

如图甲所示的�轮组．不计绳重和�擦物体重G从400N开始逐渐增加直到绳子被拉断．每次均匀速拉动绳子将物体提升同样的高度．图乙记录了在此过程 sketch template

如图所示的�轮组利用它将200N的重物提起效率为80%则拉力F为 N当重物上升1m时总功 J其中额外功为 J如果不计绳重及轮与轴 sketch template

如图19所示�轮组不计绳重及�擦请同答以下问题 L在“测�轮组机械效率 的实验中应�上 拉动弹簧测力计使重物上升一定高度 和 sketch template

在“探究影响�轮组机械效率的因素”实验中，某同学用如图20所示的同一�轮组分别做了三次实验，实验数据记录如下：实验次数钩码重/N 钩码上升 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

某人用如图15所示的�轮组吊起一个重1000N的物体�轮组的机械效率为80%他在5s内使绳子自由端移动8m求 1物体上升的高度和 sketch template

百度教育 sketch template

如图是探究“阻力对物体运动的影响 的过程．1根据图��中情景可以判断的是实验事实是实验推论．2每次让小车从斜面同一高度由静止 sketch template

如图所示用�轮组匀速提升在水中密度为3×103kg/m3的物体A时绳端所用的拉力为300N假设物体露出水面前后�轮组的机械效率保持50% 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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

如图9所示不计绳重及绳与轮的�擦铁块重79N被匀速提升2m拉力F做功200Jρ铁＝79×103kg/m3求�此�轮组的机械 sketch template

如图所示物体A置于水平面上物A前固定有动�轮BD为定�轮．一根轻绳绕过DB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

如图所示甲乙两个�轮组通过细绳悬挂在天花板上用�轮组匀速提升重为600N的物体时悬挂甲乙两�轮组的细绳所受的拉力分别为F甲F乙 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

如图所示人用50N的力推木箱前进画出该推力的示意图．题目和参考答案——青夏教育精英家教�—— 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用相同的�轮构成甲乙两个�轮组分别把同一个重物匀速提升相同高度．不计绳重及�擦下列说法正确的是 A．绳子自由端移动的距离 sketch template

在如图所示的装置中AB是动�轮C是定�轮D是轮轴D的轮半径R=10厘米轴半径r=5厘米物重G=500牛顿每个动�轮重P=50 sketch template

如图所示用�轮组匀速提升在水中密度为3×103kg/m3的物体A时绳端所用的拉力为300N假设物体露出水面前后�轮组的机械效率保持50% sketch template

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