如图所示用一动�轮拉一物体a以05ms的速度 在水平面上作匀速直线运动物体a重为20n受到的� 擦阻力是物重的02倍水平拉力为2 Sketch Coloring Page

如图所示用一动�轮拉一物体a以05ms的速度 在水平面上作匀速直线运动物体a重为20n受到的� 擦阻力是物重的02倍水平拉力为2 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 #3590

anonymous

anonymous
sketch #3590

sketch #3014 Fancy

James Forest
sketch #3014 Fancy "S "

sketch #4995

anonymous

anonymous
sketch #4995

sketch #3174 John Snow Helga Fon Stein

anonymous

anonymous
sketch #3174 John Snow Helga Fon Stein

sketch #5437 Mikasa from Attack on Titan by Manimarmuthu Muthu

anonymous

anonymous
sketch #5437 Mikasa from Attack on Titan by Manimarmuthu Muthu

sketch #4891 Pikachu by Resul Danacı

anonymous

anonymous
sketch #4891 Pikachu by Resul Danacı

sketch #2625 Dragon by sketchmaster

sketchmaster
sketch #2625 Dragon by sketchmaster

sketch #4190

anonymous

anonymous
sketch #4190

sketch #5080 Megaman Zero (X) by Muhammad Raiyaan

anonymous

anonymous
sketch #5080 Megaman Zero (X) by Muhammad Raiyaan

sketch #4640 Serj Tankian by Dav Guzman Mendoza

anonymous

anonymous
sketch #4640 Serj Tankian by Dav Guzman Mendoza

sketch #280

anonymous

anonymous
sketch #280

sketch #4990

anonymous

anonymous
sketch #4990

sketch #3259

anonymous

anonymous
sketch #3259

sketch #2573 homer simpson

anonymous

anonymous
sketch #2573 homer simpson

sketch #1131 nərgiz

anonymous

anonymous
sketch #1131 nərgiz

sketch #1452 donara

Donara Smbatyan
sketch #1452 donara

sketch #1435 donara

Donara Smbatyan
sketch #1435 donara

sketch #15

Tom Kelly
sketch #15

sketch #4953 Bird by Ervin Haxhija

anonymous

anonymous
sketch #4953 Bird by Ervin Haxhija

sketch #5167

anonymous

anonymous
sketch #5167

sketch #2901 Smurf by Ronny Alexander Nikolaevich

anonymous

anonymous
sketch #2901 Smurf by Ronny Alexander Nikolaevich

sketch #3535 Mickey by Hakan Usuğ

anonymous

anonymous
sketch #3535 Mickey by Hakan Usuğ

sketch #2770 Maggie by Shuvo Islam

Shuvo Islam
sketch #2770 Maggie by Shuvo Islam

sketch #5162 Alien by KiNg Buamir

anonymous

anonymous
sketch #5162 Alien by KiNg Buamir

sketch #312

anonymous

anonymous
sketch #312

sketch #5267

anonymous

anonymous
sketch #5267

sketch #4728 Angry Toad by Geneval Mendes

anonymous

anonymous
sketch #4728 Angry Toad by Geneval Mendes

sketch #1216

anonymous

anonymous
sketch #1216

sketch #5259

anonymous

anonymous
sketch #5259

sketch #5051

anonymous

anonymous
sketch #5051

tomski如图所示用一动�轮拉一物体a以05ms的速度 在水平面上作匀速直线运动物体a重为20n受到的� 擦阻力是物重的02倍水平拉力为2 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

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

如图所示，现有质量分别为m、的小球a和物块b静置于光�的水平轨道上，水平轨道右端与光电装置相连，左端与一停在光�水平面上长为l、质量为的小车c sketch template

如图5所示的皮带传动装置中轮A和B同轴ABC分别是三个轮边缘上的质点且rA=rC=2rB则三个质点的�心加速度之比aAaBaC sketch template

如图所示用一动�轮拉一物体A以05m/s的速度 在水平面上作匀速直线运动物体A重为20N受到的� 擦阻力是物重的02倍水平拉力为2 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不考��轮重及�擦力物B重20NA为一动�轮绳的一端固定在地面上当� 轮在力F的作用下匀速上升时所用拉力F为 A sketch template

一轮复习：阿特伍德机类型知乎 sketch template

如图1所示水平的传送带以速度v=4m/s顺时针运转两传动轮MN之间的距离为L=9m若在M轮的正上方将一质量为m=1kg的物体轻放在 sketch template

如图所示用动�轮把重400N的物体在20s内匀速提高10m拉力所做的功为5000J．求1动�轮的机械效率2拉力的功率．题目和 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

14．如图8所示用恒力F通过光�的定�轮将静止于水平面上的物体从位置A拉到位置B物体可视为质点定�轮距水平面高为h物体在位置AB时 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04 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

22．如图所示用定�轮和动�轮分别将质量相同的甲乙两物体匀速提升相同的高度不计绳重与�擦且动�轮重G动小于乙物体的物重G则所用的拉力 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一恒力F通过一动�轮拉物体沿光�水平面前进了s在运动过程中F与水平方�保持θ角则拉力F对物体做的功为 AFscosθB 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

百度教育 sketch template

如图所示用一机械效率为90%�轮组拉着重900N的物体A沿水平方�在40s内匀速移动了8m拉力F所做的功为1200J．则 A．拉力的 sketch template

百度教育 sketch template

百度教育 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

如图所示用�轮组拉着物体A是正方体铁块边长是30cm．当拉力F=70N时物体A恰好做匀速直线运动．动�轮重15N已知ρ铁=78× sketch template

如图所示用与水平面成30°角的力斜�右拉小车拉力为200 N要求画出带有标度能够精确表示此力的示意图．题目和参考答案——青夏教育 sketch template

10．用图所示的�轮组水平拉动重为100N的物体以05 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

如图所示用25N的拉力沿竖直方�匀速拉起重为4N的物体G物体升高lm所用的时间为4s绳子自重�轮与轴间�擦不计则A拉力做功的功率 sketch template

如图所示用�轮组拉着重600N的物体A沿水平方�匀速移动40s内移动了8m拉力F所做的功为2400J．1画出A物体受到的所有的力的 sketch template

如图所示用定�轮和动�轮分别将质量相同的甲乙两物体匀速提升相同的高度不计绳重与�擦且动�轮重G动小于乙物体的物重G则所用的拉F甲 sketch template

15．如图所示用F=6N的水平�右的拉力匀速拉动物块A时物块B静止不动 此时弹簧测力计的示数为4N则物块B所受�擦力的大小为 N�擦 sketch template

某物理兴趣小组利用如图甲所示的装置进行验证动量守恒定律的实验．在足够大的水平平台上的A点放置一个光电门水平平台上A点右侧�擦很小可忽略不计 sketch template

如图所示叠放在一起的物体A和B在大小为F的恒力作用下沿水平面做匀速直线运动则下列结论中正确的是 A．甲乙两图中A物体所受的�擦力大小均 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

如图所示用�轮组提起一个密度为25×103kg/m3体积为004m3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用一个动�轮把重200N的物体提高了1m所用的拉力为125N则动�轮所做的有用功W有用= J它的机械效率η= ．若不计�擦被 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03m/s．求1小明所用 sketch template

free web stats