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 Coloring Page

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 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 #5222 Magic Art Tin Sheek

anonymous

anonymous
sketch #5222 Magic Art Tin Sheek

sketch #5174

anonymous

anonymous
sketch #5174

sketch #3242 Jolteon by Välë Chäpärrö Järämïllö

anonymous

anonymous
sketch #3242 Jolteon by Välë Chäpärrö Järämïllö

sketch #717

anonymous

anonymous
sketch #717

sketch #5370 Requiem for the Phantom by Marita Amaya

anonymous

anonymous
sketch #5370 Requiem for the Phantom by Marita Amaya

sketch #1153 sahib

anonymous

anonymous
sketch #1153 sahib

sketch #2777 Ralph & Vanellope by Alexander Volodimirovich Danilchenko

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

sketch #5206

anonymous

anonymous
sketch #5206

sketch #2788 Yuno Gasai from Mirai Nikki by Cristina Love

Cristina Love
sketch #2788 Yuno Gasai from Mirai Nikki by Cristina Love

sketch #3138 Papa Smurf by Courtney Spragg

anonymous

anonymous
sketch #3138 Papa Smurf by Courtney Spragg

sketch #5189

anonymous

anonymous
sketch #5189

sketch #666

Tom Kelly
sketch #666

sketch #297 Fish

Helyryn
sketch #297 Fish

sketch #2747

Cody Brandoon
sketch #2747

sketch #1447 donara

Donara Smbatyan
sketch #1447 donara

sketch #312

anonymous

anonymous
sketch #312

sketch #245 Fishy

Lucy Barnard
sketch #245 Fishy

sketch #2856 Merry Christmas from Melany Campano Laos Komlós László

anonymous

anonymous
sketch #2856 Merry Christmas from Melany Campano Laos Komlós László

sketch #2987

anonymous

anonymous
sketch #2987

sketch #4478

Hank Henry Armstrong
sketch #4478

sketch #4915 Marshall Lee Gopal Gopi

anonymous

anonymous
sketch #4915 Marshall Lee Gopal Gopi

sketch #2740 Monster by Gabriela Segura

Gabriela Segura
sketch #2740 Monster by Gabriela Segura

sketch #1973

Daniel Lachman
sketch #1973

sketch #4388 Homer and the Cherry

anonymous

anonymous
sketch #4388 Homer and the Cherry

sketch #125

Chris Shrimp Lonsdale
sketch #125

sketch #3259

anonymous

anonymous
sketch #3259

sketch #1260

anonymous

anonymous
sketch #1260

sketch #805

Laura Agapi Asnicar
sketch #805

sketch #3107 Hitman by Miguel Edgardo Montes Cuaresma

anonymous

anonymous
sketch #3107 Hitman by Miguel Edgardo Montes Cuaresma

sketch #2035 Ernest Hemingway...
chayrolfrypan

anonymous

anonymous
sketch #2035 Ernest Hemingway... chayrolfrypan

tomski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 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

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

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

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

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

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

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

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

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

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

分别用如图所示的甲乙两个�轮组在100s内将重为400N 的物体G匀速提升10m每个�轮的重均为20N．不计绳重及�擦此过程中 A 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

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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

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

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

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

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

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

如图所示在“测�轮组机械效率实验中物体重为G=54N．实验时要竖直�上且匀速匀速拉动弹簧测力计．若物体上升高度为10cm此时弹簧测力 sketch template

用如图所示的�轮匀速提升重物那么Aa方�的拉力最小Bb方�的拉力最小Cc方�的拉力最小D三个方�的拉力都一样大题目和参考答案 sketch template

某人用如图所示的�轮组匀速提起重180N的物体所用拉力为80N物体被提高1m则下列说法中正确的是 A．拉力做的有用功是80JB．拉力 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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

百度教育 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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

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

如图所示的�轮组可忽略绳重和�擦．用弹簧测力计竖直�上匀速拉动绳端将重为6N的物体提升20cm弹簧测力计的示数如图所示则拉力做的功为1 sketch template

用如图所示的�轮组将重100N的物体匀速提升02m所用时间为2s作用在绳子末 端的拉力F为60N不计绳重和绳与�轮间的磨擦下列计算 sketch template

初中物理第四讲之�轮知乎 sketch template

free web stats