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 Coloring Page

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 Template

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More Sketches

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

sketch #3589 Cheshire Cat by Helen Besley

anonymous

anonymous
sketch #3589 Cheshire Cat by Helen Besley

sketch #3532 Angel by Geneval Mendes

anonymous

anonymous
sketch #3532 Angel by Geneval Mendes

sketch #3204 eminem

anonymous

anonymous
sketch #3204 eminem

sketch #3260 sorry to over comment on your blog .haha. I 'm just flnpiipg through your posts after finding you through the KCWC. Recently I had this huge urge to learn to sketch with black ink pens. This cloud drawing is exactly the thing that I feel the need to put on paper. : )

anonymous

anonymous
sketch #3260 sorry to over comment on your blog .haha. I 'm just flnpiipg through your posts after finding you through the KCWC. Recently I had this huge urge to learn to sketch with black ink pens. This cloud drawing is exactly the thing that I feel the need to put on paper. : )

sketch #3695

Mahmed Alhaj
sketch #3695

sketch #1118 easy zombie

anonymous

anonymous
sketch #1118 easy zombie

sketch #5067

anonymous

anonymous
sketch #5067

sketch #3133 Skrillex by Asfa Sajid

anonymous

anonymous
sketch #3133 Skrillex by Asfa Sajid

sketch #2579

Laura Agapi Asnicar
sketch #2579

sketch #1138

anonymous

anonymous
sketch #1138

sketch #953

anonymous

anonymous
sketch #953

sketch #3871

anonymous

anonymous
sketch #3871

sketch #3708

anonymous

anonymous
sketch #3708

sketch #5327

anonymous

anonymous
sketch #5327

sketch #1454 donara

Donara Smbatyan
sketch #1454 donara

sketch #2283 Head in a shoe

anonymous

anonymous
sketch #2283 Head in a shoe

sketch #5289

anonymous

anonymous
sketch #5289

sketch #970 Depression

anonymous

anonymous
sketch #970 Depression

sketch #3639

anonymous

anonymous
sketch #3639

sketch #5250

anonymous

anonymous
sketch #5250

sketch #5220

anonymous

anonymous
sketch #5220

sketch #5181

anonymous

anonymous
sketch #5181

sketch #3567 Worried Girl by Juvenilia Alexandrino

anonymous

anonymous
sketch #3567 Worried Girl by Juvenilia Alexandrino

sketch #654

anonymous

anonymous
sketch #654

sketch #4895 Cat by Gaurav Patel

anonymous

anonymous
sketch #4895 Cat by Gaurav Patel

sketch #5207 Gorilla by Jean-Benoit Renaud

anonymous

anonymous
sketch #5207 Gorilla by Jean-Benoit Renaud

sketch #5085 CM Punk by Luciana Nazar

anonymous

anonymous
sketch #5085 CM Punk by Luciana Nazar

sketch #2554

anonymous

anonymous
sketch #2554

sketch #2393

anonymous

anonymous
sketch #2393

sketch #5325

anonymous

anonymous
sketch #5325

tomski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 coloring

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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

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某人用大小相同的力作用于弹簧观察比较图ab两图可知力的作用效果与力的 有关．题目和参考答案——青夏教育精英家教�—— 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

题目某人用如图所示的�轮组在20s内将一个重为800N的物体沿着水平地面匀速拉动了4m拉力F做功为1440J物体与地面的接触面积为 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�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

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一个重为500N的物体放在水平地面上一个人站在地上利用�轮组将重物匀速提起来．不计绳重和绳与�轮间的�擦求1要想使人所 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�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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．题目和参考答案——青夏教育精英家教�—— sketch template

同学们用如图所示的“杆线�”研究�的�期与等效重力加速度的关系杆线�可以绕着立柱OO来回�动（立柱并不转动），使�球的运动轨迹被约束在一个 sketch template

百度教育 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

如图所示某人用500N的拉力在半分钟内用�轮组将900N的重物匀速提高3m如果不计所有�擦求1人拉绳时做的有用功是多大2此时 sketch template

如图3所示用长为L的细绳将重力为G的光�圆球挂在竖直墙壁上球对绳的拉力T球对墙壁的压力为N那么当绳的长度增大时以下说法正确的是A 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

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

如图所示小明分别用甲乙两�轮把同一桶沙子从一楼地面提到二楼地面用甲�轮所做的总功为W1机械效率为η1用乙�轮所做的总功为W2机械效率 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

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

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01m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

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

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

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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

百度教育 sketch template

如图所示用绳AC和BC吊起一个物体绳AC与竖直方�的夹角为60°绳BC与竖直方�的夹角为30°两绳能承受的最大拉力均为100Ng sketch template

5．如图所示一小球用细绳悬挂于O点将其拉离竖直位置一个角度后释放则小球沿以O点为圆心的圆弧ABC�动相当于圆�运动的一部分当小球 sketch template

如图所示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．题目和参考答案——青夏教育精英家教�—— sketch template

如图所示的�轮组不计绳重及�擦重物G=100N当拉力F=40N时重物刚好匀速上升则动�轮重 N当重物上升05m时拉力F端上升 sketch template

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