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

Background image: Hide Show

View Larger Image Image Credit: 1010jiajiao.com

please wait, the page is loading...

More Sketches

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

sketch #5052 Gorillaz by Rafał Dawid

anonymous

anonymous
sketch #5052 Gorillaz by Rafał Dawid

sketch #5096

anonymous

anonymous
sketch #5096

sketch #2625 Dragon by sketchmaster

sketchmaster
sketch #2625 Dragon by sketchmaster

sketch #3398 Sharingan by حيرتني بصمتها

anonymous

anonymous
sketch #3398 Sharingan by حيرتني بصمتها

sketch #1220

anonymous

anonymous
sketch #1220

sketch #5261

anonymous

anonymous
sketch #5261

sketch #1418 Dylan Thomas. Chayrolfrypan

anonymous

anonymous
sketch #1418 Dylan Thomas. Chayrolfrypan

sketch #1119 crimson

anonymous

anonymous
sketch #1119 crimson

sketch #2777 Ralph & Vanellope by Alexander Volodimirovich Danilchenko

Alexander Volodimirovich Danilchenko
sketch #2777 Ralph & Vanellope by Alexander Volodimirovich Danilchenko

sketch #3939

anonymous

anonymous
sketch #3939

sketch #4901 Adventure Time by Louisette Alain

anonymous

anonymous
sketch #4901 Adventure Time by Louisette Alain

sketch #5200 Kristen Stewart by Rhemzkian Esturco

anonymous

anonymous
sketch #5200 Kristen Stewart by Rhemzkian Esturco

sketch #4778

anonymous

anonymous
sketch #4778

sketch #2715 Angelina

Na Ruro
sketch #2715 Angelina

sketch #1700

Laura Agapi Asnicar
sketch #1700

sketch #3157 umpa lumpa

anonymous

anonymous
sketch #3157 umpa lumpa

sketch #12 my bear

Tom Kelly
sketch #12 my bear

sketch #5077 Light of Hope by Itz Rakhi

anonymous

anonymous
sketch #5077 Light of Hope by Itz Rakhi

sketch #4829

anonymous

anonymous
sketch #4829

sketch #5113 Growlithe and Arcanine by Kervinzitho del Piero

anonymous

anonymous
sketch #5113 Growlithe and Arcanine by Kervinzitho del Piero

sketch #2989 Little Chibi by Loai Issa

anonymous

anonymous
sketch #2989 Little Chibi by Loai Issa

sketch #2536

anonymous

anonymous
sketch #2536

sketch #5173 Super Meat Boy by Zorka Edding Giustinianovic

anonymous

anonymous
sketch #5173 Super Meat Boy by Zorka Edding Giustinianovic

sketch #2735

Jorge Valero
sketch #2735

sketch #2642 Red dog

Rachel Roe
sketch #2642 Red dog

sketch #137

Chris Shrimp Lonsdale
sketch #137

sketch #3350 Gerard Way by Carrieann Benthem

anonymous

anonymous
sketch #3350 Gerard Way by Carrieann Benthem

sketch #2573 homer simpson

anonymous

anonymous
sketch #2573 homer simpson

sketch #3506 Goku by Saul Mansanares

anonymous

anonymous
sketch #3506 Goku by Saul Mansanares

sketch #3786

anonymous

anonymous
sketch #3786

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用�轮组将密度为 28×103kg/m3质量为56kg�属块完全在水中匀速提升05m加在绳子自由端的拉力是F动�轮重120N 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

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

一轮复习：阿特伍德机类型知乎 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装置由�轮组和箱子组成，动�轮自身重力为G动，动�轮下方的箱子重力为G箱，箱子内有一重力大小为GA的物体，箱子外面悬挂一个重力为GB的 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

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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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两个�属轮A1A2可绕通过各自中心并与轮面垂直的固定的光��属轴O1和O2转动O1和O2相互平行水平放置每个�属轮由四根 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

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

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

7．用图3所示的�轮组将重为10N的物体匀速提升01m拉力F＝6N在这一过程中下列说法正确的是 A．拉力所做的有用功为1J B．拉力 sketch template

一轮复习：动态平衡问题解题技巧知乎 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

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

如图所示在50N的水平拉力F作用下 重800N的物体沿水平地面做匀速直线运动 物体与地面间�动�擦力为120N则�轮组的机械效率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

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皮带传动中O1O2两轮的轴固定当主动轮O1先逆时针转动时不打�的皮带也使从动轮O2逆时针转动试确定两轮边缘上的A点和B点所 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

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物体A通过�轮在水平拉力F的作用下沿水平面以1m/s 的速度做匀速直线运动此时弹簧测力计的示数为4N若不计动�轮绳子弹簧测力 sketch template

4．如图所示光�水平面上小球在拉力作用下做匀速圆�运动．若小球运动到点时拉力�生变化关于小球运动情况的说法正确的是 A．若拉力 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

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

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

一轮复习：阿特伍德机类型知乎 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

free web stats