如图所示�轮组在拉力f1的作用下拉着重300n的物体a以1ms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1ms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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More Sketches

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

sketch #5173 Super Meat Boy by Zorka Edding Giustinianovic

anonymous

anonymous
sketch #5173 Super Meat Boy by Zorka Edding Giustinianovic

sketch #5171

anonymous

anonymous
sketch #5171

sketch #3786

anonymous

anonymous
sketch #3786

sketch #251

Tom Kelly
sketch #251

sketch #2959 manga girl blue hair

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anonymous
sketch #2959 manga girl blue hair

sketch #5221

anonymous

anonymous
sketch #5221

sketch #4933 Tobi by Abdelwahab Haik

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anonymous
sketch #4933 Tobi by Abdelwahab Haik

sketch #3676 Sceptical horse by Koes Maung

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anonymous
sketch #3676 Sceptical horse by Koes Maung

sketch #4429 Spongebob by Brenda Peña

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anonymous
sketch #4429 Spongebob by Brenda Peña

sketch #1536 Dark Night

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anonymous
sketch #1536 Dark Night

sketch #5192

anonymous

anonymous
sketch #5192

sketch #4161

Hank Henry Armstrong
sketch #4161

sketch #5204

anonymous

anonymous
sketch #5204

sketch #4209 bushy

anonymous

anonymous
sketch #4209 bushy

sketch #3151 Spaceship Nessa Kira Hellsing

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anonymous
sketch #3151 Spaceship Nessa Kira Hellsing

sketch #2029 GOD 'S PROMISE ...

Marlyn Ortiz
sketch #2029 GOD 'S PROMISE ...

sketch #873

Laura Agapi Asnicar
sketch #873

sketch #2560

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anonymous
sketch #2560

sketch #5206

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anonymous
sketch #5206

sketch #1490 James Joyce....

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anonymous
sketch #1490 James Joyce....

sketch #2645 Flowers in window

Rachel Roe
sketch #2645 Flowers in window

sketch #2460 Zayn Malik of One Direction by sketchmaster

sketchmaster
sketch #2460 Zayn Malik of One Direction by sketchmaster

sketch #1670

Saifa Mahmud
sketch #1670

sketch #5137 Happy Halloween! by Guillaume Ballieu

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anonymous
sketch #5137 Happy Halloween! by Guillaume Ballieu

sketch #1253

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anonymous
sketch #1253

sketch #5202 The Woman by Céline Chalois

anonymous

anonymous
sketch #5202 The Woman by Céline Chalois

sketch #2881 Mickey Mouse by Michael Angcay

anonymous

anonymous
sketch #2881 Mickey Mouse by Michael Angcay

sketch #1082 Seher 6 years

anonymous

anonymous
sketch #1082 Seher 6 years

sketch #4769 Finn and Jake by Neo Ʀazor

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anonymous
sketch #4769 Finn and Jake by Neo Ʀazor

sketch #5002 Jimi Hendrix by Piter Olimpo

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anonymous
sketch #5002 Jimi Hendrix by Piter Olimpo

tomski如图所示�轮组在拉力f1的作用下拉着重300n的物体a以1ms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

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�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

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

如图所示的两个�轮组分别把重力相等的两个物体提升相同的高度所用的拉力F1=F2比较两拉力所做的功W1．W2及两�轮组的机械效率η1．η2 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

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

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

一轮复习：动态平衡问题解题技巧知乎 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物体A在拉力作用下沿水平面匀速运动了一段距离S试比较拉力F1F2及拉力所做的功W1W2的大小�轮重绳重及绳与�轮之间的�擦 sketch template

如图所示用相同的�轮构成甲乙两个�轮组在相等的时间内分别把同一个重物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 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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

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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

一轮复习：阿特伍德机类型知乎 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是一个从隧道中运矿石的装置图用�轮组拉着重600N的货车A沿水平方�匀速运动货车受到的�擦力是货车重力的02倍．在40s内物体 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

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甲所示轮轴实质是一种杠杆．小捷同学为了探究轮轴的平衡条件进行了如下实验实验一如图乙所示重物G通过细绳绕在轴上在轮的边缘沿切线 sketch template

如图1所示是用�轮组在水中打捞文物的示意图该均匀实心文物的密度为8×103Kg/m3体积为1000cm3在拉力F作用下从水中缓慢上升到 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

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

如图所示置于水平桌面的物体A的质量为90kg悬挂在�轮组下的物体B的质量为60kg在物体B的作用下A恰能沿水平桌面�左匀速直线运动 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

用如图所示的�轮组在20 S内将重600 N的物体从地面竖直提高4 M，所用的拉力是250 N，在这个过程中，求： 1有用功是多�？ 2 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某人用�轮组匀逮提升重120N的物体人的拉力为50N在2s内绳的自由端移动了6米1物体上升的高度2人所做的额外功是 sketch template

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v匀速上升不计�擦和绳重则1�轮组的机械效率为G3F×100%G3F 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

用如图所示的甲乙两个�轮组分别将重物G1G2提高相同的高度已知每一个�轮的质量都相同不计绳重和�擦下列说法正确的是 A．若G1 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

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