质量为m的物体在距离地面h高处由静止竖直下落到地面下落的加速度为45g下列说法中错误的是 A．物体的机械能减�15mghb．物体的动能 Sketch Coloring Page

质量为m的物体在距离地面h高处由静止竖直下落到地面下落的加速度为45g下列说法中错误的是 A．物体的机械能减�15mghb．物体的动能 Template

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More Sketches

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

sketch #4695

anonymous

anonymous
sketch #4695

sketch #3392

anonymous

anonymous
sketch #3392

sketch #5281

anonymous

anonymous
sketch #5281

sketch #4388 Homer and the Cherry

anonymous

anonymous
sketch #4388 Homer and the Cherry

sketch #5112

anonymous

anonymous
sketch #5112

sketch #3390 Beautiful drawing by Jessie Lightwood

anonymous

anonymous
sketch #3390 Beautiful drawing by Jessie Lightwood

sketch #4640 Serj Tankian by Dav Guzman Mendoza

anonymous

anonymous
sketch #4640 Serj Tankian by Dav Guzman Mendoza

sketch #5440

anonymous

anonymous
sketch #5440

sketch #3388 Fight Club by Alvaro Velasquez

anonymous

anonymous
sketch #3388 Fight Club by Alvaro Velasquez

sketch #3599 Lovely pencil face

anonymous

anonymous
sketch #3599 Lovely pencil face

sketch #1459 khvjkhu

anonymous

anonymous
sketch #1459 khvjkhu

sketch #2613

sketchmaster
sketch #2613

sketch #2464 Spongebob by sketchmaster

sketchmaster
sketch #2464 Spongebob by sketchmaster

sketch #3138 Papa Smurf by Courtney Spragg

anonymous

anonymous
sketch #3138 Papa Smurf by Courtney Spragg

sketch #2723 by Sam Torres

Sam Torres
sketch #2723 by Sam Torres

sketch #4480 ZOMBIE by Rubel Parvez

anonymous

anonymous
sketch #4480 ZOMBIE by Rubel Parvez

sketch #3804

Laura Agapi Asnicar
sketch #3804

sketch #2892 Joker by Frank Aguiar Au

anonymous

anonymous
sketch #2892 Joker by Frank Aguiar Au

sketch #5297 Journey by Dmitry Sidorenko

anonymous

anonymous
sketch #5297 Journey by Dmitry Sidorenko

sketch #3151 Spaceship Nessa Kira Hellsing

anonymous

anonymous
sketch #3151 Spaceship Nessa Kira Hellsing

sketch #2770 Maggie by Shuvo Islam

Shuvo Islam
sketch #2770 Maggie by Shuvo Islam

sketch #2023 For variety our own good friends fully understand states; through hard knocks we all our own good friends. priceminister

anonymous

anonymous
sketch #2023 For variety our own good friends fully understand states; through hard knocks we all our own good friends. priceminister

sketch #5416

anonymous

anonymous
sketch #5416

sketch #5158 Till Lindemann by Cristina Love

anonymous

anonymous
sketch #5158 Till Lindemann by Cristina Love

sketch #2150 batman

anonymous

anonymous
sketch #2150 batman

sketch #962

Wynchz
sketch #962

sketch #961

anonymous

anonymous
sketch #961

sketch #2910 Harley Quinn Germaine Hoens

anonymous

anonymous
sketch #2910 Harley Quinn Germaine Hoens

sketch #1833 Head shot - abz

anonymous

anonymous
sketch #1833 Head shot - abz

sketch #5037 Dolphin by Meen Suksoi

anonymous

anonymous
sketch #5037 Dolphin by Meen Suksoi

tomski质量为m的物体在距离地面h高处由静止竖直下落到地面下落的加速度为45g下列说法中错误的是 a．物体的机械能减�15mghb．物体的动能 coloring

质量为m的物体在距离地面h高处由静止竖直下落到地面下落的加速度为45g下列说法中错误的是 A．物体的机械能减�15mghB．物体的动能 sketch template

质量为m的物体从高为h的斜面顶端自静止开始�下最后停在平面上的B点如图所示若该物体从斜面顶端以初速度v0沿斜面�下则停在平面上的C点 sketch template

如图所示质量为M倾角为θ的斜面体放于水平面上质量为m的物块放在斜面上它们之间的�擦力都忽略不计．要使物块相对斜面静止不动斜面体�左 sketch template

5．如图所示质量为M的斜劈形物体放在水平地面上质量为m的粗糙物块以某一初速度沿劈的斜面�上�至速度为零后又加速返回而物体M始终保持静止 sketch template

质量为m的物体在距地面h高处以g/3的加速度由静止竖直下落到地面下列说法中正确的有 A 物体的重力势能减�mghB 物体的机械能 sketch template

$质量为m的物体从距地面h高处自由下落当它落到离地面还有$frac{h}{3}$时它的速度大小为 A．$frac{{sqrt sketch template$

如图所示电梯质量为M它的水平地板上放置一质量为m的物体电梯在钢索的拉力作用下由静止开始竖直�上加速运动当上升高度为H时电梯的速度达到 sketch template

如图质量为M的物体从地面上方H处无初速释放落在地面后出现一个深为h的�在此过程中 A．重力对物体做功MgHB．物体重力势能减� sketch template

11．如图所示质量均为m的两物体bc分别与轻质弹簧两端相连接将它们静止放在地面上弹簧劲度系数为k一质量也为m 小物体a从距b物体h sketch template

如图3所示一个质量为m的物体以某一速度由斜面底端冲上倾角为300的固定斜面其加速度大小为g在斜面上上升的最大高度为h则在这个过程中 sketch template

如图所示质量为m的物体在沿斜面�上的拉力F作用下沿放在水平地面上的质量为M的倾角为粗糙斜面匀速下�此过程中斜面保持静止则地面对斜面 A sketch template

6．如图2所示水平地面上的物体A在斜�上的拉力F作用下�右作匀速直线运动则 A．物体A可能不受地面支持力的作用 B．物体A可能受到三个 sketch template

如图所示质量为m的物体在的水平力作用下沿倾角为q =30º的斜面�上匀速运动根据力学规律和题中提供的信息你还能求得哪几个作用力及跟�擦 sketch template

如图所示质量为m的物体在与竖直方�成θ角斜�上的推力F作用下沿竖直墙�上做匀加速直线运动若物体与墙间的动�擦因数为μ求物体的加速度 sketch template

质量为m的物体以速度v离开高为H的桌子当它落到距地面高为h的A点时速度为vA在不计空气阻力的情况下以地面为参考面下列说法正确的是 sketch template

如图所示ABC三个物体的质量均为mBC两物体与一轻随轻质弹簧相连静止在水平地面上弹簧劲度系数为k．物体A从距物体B某一高度h处由 sketch template

如图所示质量为m的物体静止在倾角为a的斜面上物体与斜面一起在水平面上匀速�左水平移动的距离为s．则斜面的支持力和�擦力对物体做的功为 sketch template

如图5所示水平地面上放一质量为m的物体在与水平方�成θ角的拉力F 作用下处于静止状态已知物体与地面间的动�擦因数为μ则地面对物体的 图 sketch template

如图所示质量为m=2kg的物块放在倾角为θ=37°的斜面体上斜面质量为M=4kg地面光�现对斜面体施一水平推力F要使物块m相对斜面 sketch template

质量为m的物体A放在倾角为θ=37°的斜面上时恰好能匀速下�现用细绳系住物体A并平行于斜面�上绕过光�的定�轮另一端系住物体B物体A sketch template

如图所示质量均为m的物体AB通过一根劲度系数为k的轻弹簧相连开始时B放在地面上AB都处于静止状态．现用手通过细绳缓慢地将A�上提升 sketch template

9．如图所示质量为M的光�半圆槽置于光�水平地面上质量为m的物块沿半圆槽从 静止开始�下则物块在半圆槽内�动的——青夏教育精英家教�—— sketch template

如图所示质量m的物体静止在倾角θ的斜面上当斜面沿水平方��右匀速移动了距离s时物体m相对斜面静止．下列关于力对物体做功的说法中正确的是 sketch template

7．如图所示质量为m的物体静止在倾角为q的斜面上物体与斜面间的动�擦因数为m现在使斜面体�右水平匀速移动距离l则�擦力对物体所做的功为 sketch template

如图5所示水平地面上放一质量为m的物体在与水平方�成θ角的拉力F 作用下处于静止状态已知物体与地面间的动�擦因数为μ则地面对物体的 图 sketch template

质量均为m的物体A和B分别系在一根不计质量的细绳两端绳子跨过固定在倾角为30°的斜面顶端的定�轮上斜面固定在水平地面上开始时把物体B拉到 sketch template

质量为m的物体从地面上方H高处无初速释放落在地面后出现一个深度为h的�如图所示则物体从自由下落到最终静止的过程中 A重力对物体 sketch template

如图所示质量为m的物体放在水平桌面上在与水平方�成θ角的拉力F作用下加速�前运动已知物体与桌面间的动�擦因数为μ则下列判断正确的是 sketch template

质量为m的物体放在质量为M倾角为θ的斜面体上斜面体置于粗糙的水平地面上用平行于斜面的力F拉物体m使其沿斜面�下匀速运动M始终静止则 sketch template

如图所示在水平面上有一质量为m的物体在水平拉力作用下由静止开始运动一段距离后到达一斜面底端这时撤去外力物体冲上斜面上�的最大距离和在 sketch template

8．如图所示质量为m的物体A静止在地面上上表面带有弯钩一弹簧秤由弹簧带有挂钩的拉杆和带有提环的外壳组成可以认为弹簧秤的 总质量集中 sketch template

如图所示质量为m的物体放在倾角为θ的斜面上它跟斜面间的动�擦因数为μ在水平恒定的力F作用下物体沿斜面�上匀速运动则物体所受的�擦力是 sketch template

质量为m的物体放在倾角为θ的斜面上它跟斜面间的动�擦因数为μ在水平恒力F作用下物体沿斜面匀速�上运动如图所示．物体受到的�擦力大小可表示 sketch template

如图所示质量为m的物体放在水平桌面上在与水平方�成θ角的拉力F作用下加速�前运动已知物体与桌面间的动�擦因数为μ则下列判断正确的是 sketch template

如图所示一个质量为m的物体放在倾角为θ的固定斜面上物体与斜面间的动�擦因数为μ．现对物体施一水平推力试分析设最大静�擦力等于�动�擦 sketch template

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