如图所示重为100n的物体b在足够深的水中匀速下沉通过�轮组拉着重600n的物体a沿水平方�匀速运动在4s内物体a移动了08米已知 Sketch Coloring Page

如图所示重为100n的物体b在足够深的水中匀速下沉通过�轮组拉着重600n的物体a沿水平方�匀速运动在4s内物体a移动了08米已知 Template

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More Sketches

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

sketch #3732 Michael Jackson by David Obando

anonymous

anonymous
sketch #3732 Michael Jackson by David Obando

sketch #5174

anonymous

anonymous
sketch #5174

sketch #5222 Magic Art Tin Sheek

anonymous

anonymous
sketch #5222 Magic Art Tin Sheek

sketch #5020 Stitch by Hina Ali

anonymous

anonymous
sketch #5020 Stitch by Hina Ali

sketch #1950

anonymous

anonymous
sketch #1950

sketch #4424 MJ by Nycole Prietsch

anonymous

anonymous
sketch #4424 MJ by Nycole Prietsch

sketch #245 Fishy

Lucy Barnard
sketch #245 Fishy

sketch #3804

Laura Agapi Asnicar
sketch #3804

sketch #578 Butterflies

anonymous

anonymous
sketch #578 Butterflies

sketch #5437 Mikasa from Attack on Titan by Manimarmuthu Muthu

anonymous

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

sketch #687 Buddha Peace

anonymous

anonymous
sketch #687 Buddha Peace

sketch #5185

anonymous

anonymous
sketch #5185

sketch #3138 Papa Smurf by Courtney Spragg

anonymous

anonymous
sketch #3138 Papa Smurf by Courtney Spragg

sketch #2150 batman

anonymous

anonymous
sketch #2150 batman

sketch #1463

Laura Agapi Asnicar
sketch #1463

sketch #929 tree stump

anonymous

anonymous
sketch #929 tree stump

sketch #4990

anonymous

anonymous
sketch #4990

sketch #1114 fire flame camping bonfire

anonymous

anonymous
sketch #1114 fire flame camping bonfire

sketch #1454 donara

Donara Smbatyan
sketch #1454 donara

sketch #4429 Spongebob by Brenda Peña

anonymous

anonymous
sketch #4429 Spongebob by Brenda Peña

sketch #5059 Edward Hopper&#;s &#;Nighthawks&#; by Rosanne Zammit

anonymous

anonymous
sketch #5059 Edward Hopper&#;s &#;Nighthawks&#; by Rosanne Zammit

sketch #3604 Falling Manipati Surya

anonymous

anonymous
sketch #3604 Falling Manipati Surya

sketch #5214 Crying with a Smile by Bill Kody

anonymous

anonymous
sketch #5214 Crying with a Smile by Bill Kody

sketch #2643 Spring chick

Rachel Roe
sketch #2643 Spring chick

sketch #5351

anonymous

anonymous
sketch #5351

sketch #4605 Goku by Jayme Sousa

anonymous

anonymous
sketch #4605 Goku by Jayme Sousa

sketch #3107 Hitman by Miguel Edgardo Montes Cuaresma

anonymous

anonymous
sketch #3107 Hitman by Miguel Edgardo Montes Cuaresma

sketch #3680 Infected Mushroom by Rohit Rahul

anonymous

anonymous
sketch #3680 Infected Mushroom by Rohit Rahul

sketch #5189

anonymous

anonymous
sketch #5189

sketch #4386 Freddie Mercury by Павел Павлов

anonymous

anonymous
sketch #4386 Freddie Mercury by Павел Павлов

tomski如图所示重为100n的物体b在足够深的水中匀速下沉通过�轮组拉着重600n的物体a沿水平方�匀速运动在4s内物体a移动了08米已知 coloring

题目分别用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20N．在把物体匀速提升1m的过程中 sketch template

如图所示重为100N的物体A在水平拉力F的作用下沿水平面以04m／s的速度作匀速直线运动弹簧测力计的示数为5N不计�轮绳子弹簧测 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

如图所示有一重为100N的小球在桌面上滚动了01s后滚出桌面再经04s落在离桌面边缘2m的地面上桌面距离地面高度为08m．则小球在 sketch template

利用如图所示的装置工人用力F把重为100N的物体以02m/s的速度匀速提升6m．若不计绳重和�擦则这一过程中 A拉力F的大小为 sketch template

12．如图所示重为100N的物体在与水平方�成60°角的拉力F=10N作用下以2m/s的速度匀速运动在10s内拉力F的冲量大小等于 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物体A和B所受重力都为100N�轮重均为20N当分别用力匀速提升重物A和B时FA为 N FB为 N．题目和参考答案——青夏 sketch template

如图所示重为100N的物体A在大小为20N方��右的水平拉力F的作用下做匀速直线运动．经过3s物体A在水平面上�左移动了30cm的距离 sketch template

如图所示重为100N的物体B在足够深的水中匀速下沉通过�轮组拉着重600N的物体A沿水平方�匀速运动在4s内物体A移动了08米已知 sketch template

如图所示装置物体B重为100N它在水中匀速下沉时通过�轮组拉着重200N的物体A在水平面上匀速运动．当用一个水平�左的力F1拉物体A使 sketch template

如图所示重100N的物体A以初速度v=10m/s沿倾角为370的斜面�上�动斜面对物体A的�擦力的大小为10N．已知sin37°=06 sketch template

如图所示拉B物的轻绳与竖直方�成60°角O为一定�轮物体A与B间用跨过定�轮的细绳相连且均保持静止已知物体B的重力为100N物体A的 sketch template

如图重100N的物体受30N水平拉力作用时能在水平面上以2m/s作匀速直线运动请在图中画出这个物体在50N的水平拉力作用下在水平面上运动 sketch template

20．如图装置中物体A重100N物体B重10N在物体B的作用下物体A在水平面上作匀速直线运动则如果在物体A上加一个水平�左的拉力F 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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

题目如图甲所示的装置每个�轮的重力为10N物体A的重力GA=100N物体B的重力GB=40N对A施加水平�右的拉力F=110N使 sketch template

如图所示用同一�轮按甲乙两种方式匀速提升同一物体物体重100N�轮重25N绳重和�擦不计．图甲中F甲=100N图乙装置的机械效率η 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

如图所示用20N的力F拉着重为100N的物体使其沿水平面以02m/s的速度匀速运动了5s若每个�轮重10N忽略绳重和�擦则下列说法 sketch template

如图所示用一动�轮把重为100N的物体匀速提到4m高处作用在绳末端的拉力为75N则�轮组的机械效率为 A．133%B．75%C．66 sketch template

如图重100N的物体以01米/秒的速度在水平面上作匀速直线运动作用在绳自由端的拉力F是20N则在10秒种内拉力F做的功为 J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3 2所示用水平力F拉着重为100N的物体在水平地面上�左匀速移动了5m物体所受地面的�擦力大小为20N则 A重力做的功是 sketch template

用如图所示的�轮组将重100N的物体匀速提升02m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

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

3．如图所示重为100N的物体在水平�左的力F=20N作用下以初速度v0沿水平面�右�行已知物体与水平面的动�擦因数 为02则此时 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

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

2．如图所示在不计绳重和�擦的情况下用动�轮把重40N的物体匀速提高2m所用的拉力为25N则拉力做功是 J动�轮的机械效率是果把 sketch template

15．如图所示用力F将重为10N的物体压在竖直墙上F方�垂直于墙物体与墙壁间的动�擦因素μ＝02若F=60N则物体受到的�擦力大小 sketch template

初中物理第四讲之�轮知乎 sketch template

1如图a所示请画出物体A所受重力的示意图．2如图b所示重8N的物块静止在斜面上受到斜面的支持力为6N．请画出斜面所受压力的示意图 sketch template

如图所示用动�轮把重为40N的物体匀速上提弹簧测力计示数为24N则拉力为 N．不计�擦和绳重动�轮重为 N这时该动�轮的机械效率约为 sketch template

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