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

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 #1122 norooz

anonymous

anonymous
sketch #1122 norooz

sketch #3083 Great illustration Ali Hänel

anonymous

anonymous
sketch #3083 Great illustration Ali Hänel

sketch #5327

anonymous

anonymous
sketch #5327

sketch #5158 Till Lindemann by Cristina Love

anonymous

anonymous
sketch #5158 Till Lindemann by Cristina Love

sketch #5343

anonymous

anonymous
sketch #5343

sketch #4384

Laura Agapi Asnicar
sketch #4384

sketch #3208 ELETR by Raimundo Santos

anonymous

anonymous
sketch #3208 ELETR by Raimundo Santos

sketch #4273

anonymous

anonymous
sketch #4273

sketch #3365 Igor by Johan Kennet Espinoza Moreno

anonymous

anonymous
sketch #3365 Igor by Johan Kennet Espinoza Moreno

sketch #5116 Bleach by Vrushali Rane

anonymous

anonymous
sketch #5116 Bleach by Vrushali Rane

sketch #3800

Fon Talesrunner
sketch #3800

sketch #4622 Miku by Kheith Ryan Lubiano

anonymous

anonymous
sketch #4622 Miku by Kheith Ryan Lubiano

sketch #3617 D from Gorillaz by Joselyne Angel Gormaz

anonymous

anonymous
sketch #3617 D from Gorillaz by Joselyne Angel Gormaz

sketch #280

anonymous

anonymous
sketch #280

sketch #4728 Angry Toad by Geneval Mendes

anonymous

anonymous
sketch #4728 Angry Toad by Geneval Mendes

sketch #214 bugs bunny

anonymous

anonymous
sketch #214 bugs bunny

sketch #819

Laura Agapi Asnicar
sketch #819

sketch #5349

anonymous

anonymous
sketch #5349

sketch #846 cat fridayz z z zzzz zz

anonymous

anonymous
sketch #846 cat fridayz z z zzzz zz

sketch #5279

anonymous

anonymous
sketch #5279

sketch #68512

anonymous

anonymous
sketch #68512

sketch #5091 The Red Lady by অনন্ত জলিল

anonymous

anonymous
sketch #5091 The Red Lady by অনন্ত জলিল

sketch #3670 Bugs Bunny by Jessica Column

anonymous

anonymous
sketch #3670 Bugs Bunny by Jessica Column

sketch #1061 garota ao vento

Ariel Fernando
sketch #1061 garota ao vento

sketch #3765 Happy easter!

anonymous

anonymous
sketch #3765 Happy easter!

sketch #1519

anonymous

anonymous
sketch #1519

sketch #5168

anonymous

anonymous
sketch #5168

sketch #2029 GOD 'S PROMISE ...

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

sketch #3399 zay lin

Zay Lin
sketch #3399 zay lin

sketch #643 Happy Valentines

Tom Kelly
sketch #643 Happy Valentines

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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

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�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

16．如图所示的�轮组匀速拉起重3牛的物体若不考�动�轮和绳重及�擦绳自由端的拉力为 牛若绳端的实际拉力为2牛物体在4秒内被匀速提高0 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甲所示的�轮组提升物体M，已知物体M所受的重力为550N，卷扬机加在绳子自由端的拉力F将物体M在20s内沿竖直方�匀速提升10m，拉力F 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

用如图所示的�轮组把170N的重物匀速提升2m人对绳的拉力为100N不计绳重和�擦所做的有用功是340340J�轮组的机械效率为85 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

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

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

59．如图所示物重G为600N用�轮组将重物匀速提升5m所用拉力F为250N�轮组的机械效率为 ．若不计�擦被提升的物重增加时�轮 sketch template

百度教育 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，一个�轮组竖直固定在天花板上，已知每个�轮均重20N，�轮组下端挂有重为G的物体A，用力F通过�轮组绳的末端竖直�上匀速提升重物A 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

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

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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

如图所示工人用�轮组匀速提升重600N的货物所用的拉力F为400N货物在50s内匀速上升5m．在此过程中货物上升的速度是01m/s 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

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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

工人师傅利用如图所示的�轮组将重为800N的货物匀速提升 08m所用拉力F为320N则工人做的有用功是640640J此�轮组的机械效率 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

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

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

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

free web stats