如图所示某人以拉力f将物体沿斜面拉下若拉力大小等于�擦力则下列说法正确的是 A．物体做匀速运动b．合外力对物体做功等于零c．物体的 Sketch Coloring Page

如图所示某人以拉力f将物体沿斜面拉下若拉力大小等于�擦力则下列说法正确的是 A．物体做匀速运动b．合外力对物体做功等于零c．物体的 Template

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sketch #3595

anonymous

anonymous
sketch #3595

sketch #4698

anonymous

anonymous
sketch #4698

sketch #4734 Timon by Anh Vu

anonymous

anonymous
sketch #4734 Timon by Anh Vu

sketch #4595 Hell Boy by Cristina Love

anonymous

anonymous
sketch #4595 Hell Boy by Cristina Love

sketch #3280 Adventure Time by Alina Danielle

anonymous

anonymous
sketch #3280 Adventure Time by Alina Danielle

sketch #578 Butterflies

anonymous

anonymous
sketch #578 Butterflies

sketch #4632

anonymous

anonymous
sketch #4632

sketch #5323 Cem Adrian by Glynis June Williams

anonymous

anonymous
sketch #5323 Cem Adrian by Glynis June Williams

sketch #3810

anonymous

anonymous
sketch #3810

sketch #2866 Soul Eater by Ani Chachua

anonymous

anonymous
sketch #2866 Soul Eater by Ani Chachua

sketch #5119

anonymous

anonymous
sketch #5119

sketch #2620 goblin man

sketchmaster
sketch #2620 goblin man

sketch #4965

anonymous

anonymous
sketch #4965

sketch #4661 Woodpecker by Hsien-Ying Hsieh

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anonymous
sketch #4661 Woodpecker by Hsien-Ying Hsieh

sketch #5049

anonymous

anonymous
sketch #5049

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 #5040 Amy Winehouse by Timothy Palfreyman

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anonymous
sketch #5040 Amy Winehouse by Timothy Palfreyman

sketch #4736 Naruto by Wellen Lima

anonymous

anonymous
sketch #4736 Naruto by Wellen Lima

sketch #4160

Hank Henry Armstrong
sketch #4160

sketch #5227

anonymous

anonymous
sketch #5227

sketch #1503 L 'Algérie

AbdouGt Zizou
sketch #1503 L 'Algérie

sketch #5011

anonymous

anonymous
sketch #5011

sketch #5052 Gorillaz by Rafał Dawid

anonymous

anonymous
sketch #5052 Gorillaz by Rafał Dawid

sketch #1444

Donara Smbatyan
sketch #1444

sketch #2453 Koi Fish

anonymous

anonymous
sketch #2453 Koi Fish

sketch #2877 Elvis by Karoline Castillo

anonymous

anonymous
sketch #2877 Elvis by Karoline Castillo

sketch #5066 Rey Helado by Gleny Acevedo

anonymous

anonymous
sketch #5066 Rey Helado by Gleny Acevedo

sketch #3268 Werewolf by Mert Arda Yiğit

anonymous

anonymous
sketch #3268 Werewolf by Mert Arda Yiğit

sketch #5250

anonymous

anonymous
sketch #5250

sketch #1045

anonymous

anonymous
sketch #1045

tomski如图所示某人以拉力f将物体沿斜面拉下若拉力大小等于�擦力则下列说法正确的是 a．物体做匀速运动b．合外力对物体做功等于零c．物体的 coloring

如图所示某人以拉力F将物体沿固定斜面拉下拉力大小等于�擦力则下列说法中正确的是 A．物体的机械能不变 B．合外力对物体做功为零 C sketch template

如图所示某人以拉力F将物体沿固定斜面拉下拉力大小等于�擦力则下列说法中正确的是 A．物体的机械能不变 B．合外力对物体做功为零 C sketch template

如图所示某人以平行斜面�下的拉力F将物体沿固定斜面拉下拉力大小等于�擦力则下列说法中正确的是 A．物体的机械能不变 B．合外力对物体做功 sketch template

如图甲所示质量为m=2kg物体置于倾角为θ=30°的固定且足够长的斜面上对物体施加平行与斜面�上的拉力Ft=1s时撤去拉力F物体运动的 sketch template

如图所示用恒力F拉一个质量为m 的物体由静止开始在水平地面沿直线运动的位移为s力F与物体运动方�的夹角为α已知物体与地面的动�擦因数为 sketch template

如图所示物体在一个沿斜面的拉力F的作用下以一定的初速度沿倾角为30°的斜面�上做匀减速运动加速度的大小为a=3m/s2物体在沿斜面�上 sketch template

如图所示用恒力F拉一个质量为m 的物体由静止开始在水平地面沿直线运动的位移为s力F与物体运动方�的夹角为α已知物体与地面的动�擦因数为 sketch template

1如图1所示物体在水平拉力F作用下沿水平地面�右匀速运动请作出物体在水平方�上受力示意图2如图2所示物体A沿斜面匀速下�画出 sketch template

力的三角形法则的应用知乎 sketch template

如图所示在与水平地面成θ角的拉力F作用下质量为m的物块沿地面�右做匀速直线运动 1试求物体与地面间的�动�擦因数 2若把此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

如图所示，一物块置于水平地面上，当用与水平方�成60°角的力F 1拉物块时，物块做匀速直线运动，当改用与水平方�成30°角的力F 2推物块时 sketch template

题目如图所示在水平拉力F的作用下物体沿水平面以速度v�右匀速运动了距离s若物体重力为G桌面对物体的�擦力为f下列说法正确的是 sketch template

力的三角形法则的应用知乎 sketch template

如图所示某人以平行斜面的拉力将物体沿斜面拉下拉力大小等于�擦力大小则下列说法正确的是 A．物体匀速下� B．合外力对物体做的功 sketch template

如图所示水平地面上的物体A在斜�上的拉力F的作用下�右做匀速直线运动则关于下列物体受力情况的说法中正确的是 A．物体A可能只受到二个 sketch template

如图所示重为80N的物体在大小为20N方�水平�右的拉力F1作用下在水平面上以2m/s速度做匀速直线运动．当撤去拉力F1物体静止后 sketch template

如图所示拉力F将物体沿斜面拉下已知拉力大小与�擦力大小相等则下列说法中正确的是 A．物体的总机械能增加B．物体的总机械能保持不变C 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物体在受到一水平�左的拉力F=6N作用下以v=4m/s的初速度沿水平面�右运动已知物体与水平面的动�擦因数μ=02物体质量m sketch template

如图1所示重为8N的物体A在拉力F的作用下5s内匀速运动了05m．拉力F做的功随时间变化的图象如图2所示．己知动�轮重05N物体A在 sketch template

如图所示某人用恒力F通过�轮把放在水平面上的物体�右拉动了L力的方�始终与水平方�成θ角求拉力F对物体做的功．题目和参考答案——青夏 sketch template

15．如图所示物体A叠放在物体B上在拉力F的作用下物体A和B一起沿着水平地面作匀速直线运动下列关于物体A受力的示意图正确的是 A．B sketch template

如图所示三个质量相同的物体分别受到竖直�上的拉力作用处于不同的状态甲静止乙以5m/s的速度�上作匀速直线运动丙以5m/s的速度�下作 sketch template

光�水平地面上叠放着两个物体A和B如图7所示．水平拉力F作用在物体B上使AB两物体从静止出�一起运动．经过时间t撤去拉力F再经过时间 sketch template

如图所示，斜面的长为高的4倍，物体恰能在斜面上匀速下�，下�一段距离的过程中，该物体重力做的功和克服阻力做的功相等。若用平行于斜面�上的拉力F sketch template

如图所示物体静止在斜面上重力G沿平行于斜面和垂直于斜面方�分解为F1和F2则 A．F1与作用在物体上的静�擦力相平衡B．F2就是物体 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

24．如图所示在倾角θ=37°的足够长的固定的斜面底端有一质量m=10kg的物体物体与斜面间动�擦因数µ =025现用轻细绳将物体由 sketch template

如图所示对斜面上的物体施加一个沿斜面�上的拉力F作用时物体恰能沿斜面匀速下�在此过程中斜面体相对水平地面静止不动则水平地面对斜面体 sketch template

如图所示倾角为α 的斜面体放在粗糙的水平面上质量为m的物体A与一劲度系数为k的轻弹簧相连．现用拉力F沿斜面�上拉弹簧使物体A在光�斜面上 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

1．如图所示物体在沿斜面�上的拉力作用下静止在斜面上当撤去拉力后物体仍然静止在斜面上那么物体在撤去拉力后与撤去拉力前相比以下说法正确 sketch template

如图所示物体在一个沿斜面的拉力F的作用下以一定的初速度沿倾角为30°的斜面�上做匀减速运动加速度的大小为a=3m/s2物体在沿斜面�上 sketch template

如图所示物体在粗糙的水平面上受到一个与水平方�成α角的拉力F的作用匀速�右运动若拉力F的方�与水平方�所成的α角的减小物体仍匀速运动 sketch template

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