用如图所示�轮组匀速提升重为200n的物体人对绳的拉力为125n不计绳重和�擦�轮组的机械效率为 ．如果人的体重为600n拉动过程中绳 Sketch Coloring Page

用如图所示�轮组匀速提升重为200n的物体人对绳的拉力为125n不计绳重和�擦�轮组的机械效率为 ．如果人的体重为600n拉动过程中绳 Template

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

sketch #5128 Italo Italo Abreu Jack Supple

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sketch #5128 Italo Italo Abreu Jack Supple

sketch #4974 Eminem by Juan Garcia

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anonymous
sketch #4974 Eminem by Juan Garcia

sketch #2030

Marlyn Ortiz
sketch #2030

sketch #5092 Silvers Rayleigh by Wasim Khan

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anonymous
sketch #5092 Silvers Rayleigh by Wasim Khan

sketch #3484 Red Hot Chili Peppers by Nik Zulqarnain

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sketch #3484 Red Hot Chili Peppers by Nik Zulqarnain

sketch #5083

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anonymous
sketch #5083

sketch #5226

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anonymous
sketch #5226

sketch #2150 batman

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sketch #2150 batman

sketch #4665 Iron Maiden EDDIE by Jenna Khoùlix�

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sketch #4665 Iron Maiden EDDIE by Jenna Khoùlix�

sketch #3197 Dragon by Yuryi Zambrano

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sketch #3197 Dragon by Yuryi Zambrano

sketch #5079 SketchToy Pencil by Sarah Prieto

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sketch #5079 SketchToy Pencil by Sarah Prieto

sketch #2220 bahbah sexy sheep

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sketch #2220 bahbah sexy sheep

sketch #4566 Edward Scissorhands by Angel Ördoñez

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sketch #4566 Edward Scissorhands by Angel Ördoñez

sketch #5166 Jigsaw by Gisele Siqueira Zanni

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sketch #5166 Jigsaw by Gisele Siqueira Zanni

sketch #5179 Audrey Hepburn by 陳一夫

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sketch #5179 Audrey Hepburn by 陳一夫

sketch #15

Tom Kelly
sketch #15

sketch #3814

Emin AltınKöprü
sketch #3814

sketch #2206

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anonymous
sketch #2206

sketch #4520

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anonymous
sketch #4520

sketch #1119 crimson

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sketch #1119 crimson

sketch #303

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anonymous
sketch #303

sketch #5264

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anonymous
sketch #5264

sketch #1169 ENJOY IT!!!!!!!! OH NO EAT IT OR IT WILL MELT!!!!! :0

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anonymous
sketch #1169 ENJOY IT!!!!!!!! OH NO EAT IT OR IT WILL MELT!!!!! :0

sketch #4384

Laura Agapi Asnicar
sketch #4384

sketch #3264 Lisa by Shaban Khan

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sketch #3264 Lisa by Shaban Khan

sketch #4751 Ruko by Rodrigo Marcos

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sketch #4751 Ruko by Rodrigo Marcos

sketch #5151

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anonymous
sketch #5151

sketch #4298

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anonymous
sketch #4298

sketch #3208 ELETR by Raimundo Santos

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anonymous
sketch #3208 ELETR by Raimundo Santos

sketch #4708 Katekyo Hitman Reborn by Mário JBudo

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anonymous
sketch #4708 Katekyo Hitman Reborn by Mário JBudo

tomski用如图所示�轮组匀速提升重为200n的物体人对绳的拉力为125n不计绳重和�擦�轮组的机械效率为 ．如果人的体重为600n拉动过程中绳 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

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

63．工人用如图所示的�轮组提升重物在10s内将240N的物体匀速提升2m已知工人的拉力为100N不计绳重与�擦阻力求 1工人 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

在图所示的�轮组中用110N的力在5s内把重为200N的物体匀速提高2m则 A．对重物做的有用功约为200J B．�轮组的机械效率约为90 sketch template

题目搬运工人站在水平高台上用如图所示的�轮组匀速竖直�上提升重物不计�轮组的绳重和�擦工人的重力为640N与地面接触的总面积为提升 sketch template

用如图所示的�轮组提升重物人用500N的拉力F在20s内使重为800N的物体匀速上升了3m．不计绳重和�擦则人拉绳子做功的功率和�轮组的 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

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

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

用如图所示的�轮组将物体�左移动A B两个�轮中A是 �轮B是 �轮在不考��轮重和�擦时物体与桌面的�擦力是90N匀速移动物体 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F1F2和F3若不计�轮重及�擦这三个力的关系为 A．F1＜F2 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

用如图所示的�轮组提升物体A在匀速竖直提升物体A的过程中卷扬机加在绳子自由端竖直�下的拉力F为400N物体A上升的速度vA为01m/s 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

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

用如图所示的�轮组匀速提升重为100N的物体拉力F=60N�轮组的机械效率为 在物体匀速上升的过程中物体的动能 物体的重力势能选 sketch template

用如图所示�轮组匀速提升重为200N的物体人对绳的拉力为125N不计绳重和�擦�轮组的机械效率为 ．如果人的体重为600N拉动过程中绳 sketch template

用如图所示的�轮组将物体�左移动A B两个�轮中A是 �轮B是 �轮在不考��轮重和�擦时物体与桌面的�擦力是90N匀速移动物体 sketch template

如图6所示工人用�轮组提升重物已知�轮质量相同若把同一货物匀速提升相同的高度不计绳子与�轮间的�擦 A．使用定�轮比动�轮省力但 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

某人用如图所示的�轮组匀速提升500N的重物所用的拉力F为300N 绳子自由端被拉下2m在此过程中求�拉力F所做的功 ��轮组的 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

用图甲所示的�轮组运送货物上楼每件货物重100N每次运送的量不定乙图绘出了整个过程中�轮组的机械效率随货物重力增加而变化的图象解答下列 sketch template

如图所示用�轮组提升重物时重200N的物体在5s内匀速上升了1m．已知拉绳子的力F为120N如果不计绳重及�擦则提升重物的过程中A sketch template

用如图所示的�轮组提升重为G=3200N的重物当重物以05m/s的速度匀速上升时拉力F的功率是2000W．忽略�擦和绳重．求1动�轮 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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

用如图所示�轮组提升重物．人用50N的拉力F15s内使重为90N的物体匀速上升了3m．不计绳重和�擦求1动�轮的重．2人拉绳子 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

百度教育 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

某人用如图所示的�轮组匀速提升500N的重物所用的拉力F为300N 绳子自由端被拉下2m在此过程中求�拉力F所做的功 ��轮组的 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

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