如图所示物体a静止在粗糙的水平面上现用一水平外力f推物体af增大 物体a仍保持静止则以下说法中正确的是 A．物体a所受的�擦力一定 Sketch Coloring Page

如图所示物体a静止在粗糙的水平面上现用一水平外力f推物体af增大 物体a仍保持静止则以下说法中正确的是 A．物体a所受的�擦力一定 Template

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sketch #3083 Great illustration Ali Hänel

anonymous

anonymous
sketch #3083 Great illustration Ali Hänel

sketch #4601 PSY Gentleman by Luis Daniel Sanchez Ramirez

anonymous

anonymous
sketch #4601 PSY Gentleman by Luis Daniel Sanchez Ramirez

sketch #2593 Tweety by sketchmaster

sketchmaster
sketch #2593 Tweety by sketchmaster

sketch #5085 CM Punk by Luciana Nazar

anonymous

anonymous
sketch #5085 CM Punk by Luciana Nazar

sketch #1452 donara

Donara Smbatyan
sketch #1452 donara

sketch #5209

anonymous

anonymous
sketch #5209

sketch #3523 My World My Way by Elena Artene

anonymous

anonymous
sketch #3523 My World My Way by Elena Artene

sketch #5037 Dolphin by Meen Suksoi

anonymous

anonymous
sketch #5037 Dolphin by Meen Suksoi

sketch #4900 Moonlight by Abdelwahab Haik

anonymous

anonymous
sketch #4900 Moonlight by Abdelwahab Haik

sketch #2874 Mario by Ahmed Hosny

anonymous

anonymous
sketch #2874 Mario by Ahmed Hosny

sketch #4305 Burka,

Ainhoa White
sketch #4305 Burka,

sketch #5095 Lion by Frederic Knauer

anonymous

anonymous
sketch #5095 Lion by Frederic Knauer

sketch #4984 Zombie by London Waterlilly

anonymous

anonymous
sketch #4984 Zombie by London Waterlilly

sketch #3236 Sunset by Aaron Bahary

anonymous

anonymous
sketch #3236 Sunset by Aaron Bahary

sketch #4724 Turtwig by Mark Robson

anonymous

anonymous
sketch #4724 Turtwig by Mark Robson

sketch #2982 Lion by Ati Gohary

anonymous

anonymous
sketch #2982 Lion by Ati Gohary

sketch #5437 Mikasa from Attack on Titan by Manimarmuthu Muthu

anonymous

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

sketch #1551 donara

Donara Smbatyan
sketch #1551 donara

sketch #2996 American Flag

James Forest
sketch #2996 American Flag

sketch #2856 Merry Christmas from Melany Campano Laos Komlós László

anonymous

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

sketch #1846 zay

anonymous

anonymous
sketch #1846 zay

sketch #2787 Spongebob by ShopRasta Roots

ShopRasta Roots
sketch #2787 Spongebob by ShopRasta Roots

sketch #4301

Ainhoa White
sketch #4301

sketch #2640 Marge by Mirnes Sinanovic

Mirnes Sinanovic
sketch #2640 Marge by Mirnes Sinanovic

sketch #3404 Terminator by Enrique L. Manly

anonymous

anonymous
sketch #3404 Terminator by Enrique L. Manly

sketch #5177

anonymous

anonymous
sketch #5177

sketch #5330 Frozen by Amanda Kachadurian

anonymous

anonymous
sketch #5330 Frozen by Amanda Kachadurian

sketch #2866 Soul Eater by Ani Chachua

anonymous

anonymous
sketch #2866 Soul Eater by Ani Chachua

sketch #3339 Sasuke by Jean-Benoit Renaud

anonymous

anonymous
sketch #3339 Sasuke by Jean-Benoit Renaud

sketch #5341 Rafael Nadal by Alina Danielle

anonymous

anonymous
sketch #5341 Rafael Nadal by Alina Danielle

tomski如图所示物体a静止在粗糙的水平面上现用一水平外力f推物体af增大 物体a仍保持静止则以下说法中正确的是 a．物体a所受的�擦力一定 coloring

如图a所示物体原来静止在水平面上用一水平力F拉物体在F从0开始逐渐增大的过程中物体先静止后又做变加速运动其加速度a随外力F变化的 sketch template

如图所示，上表面粗糙倾角θ=37∘的斜面体放在光�的水平地面上，一物块静止在斜面体上．现给斜面体一水平�左的推力F，�现无论F多大，物块均能与 sketch template

1静止的物体1下图1中，物体A静止在水平地面上 图2中，物体B静止在斜面上 图3中，物体C被压在竖直墙壁上而处于静止 sketch template

如图所示空间中有一个静止不动的带正电的点电荷有一带电粒子只在电场力的作用下沿着PSQ轨迹运动．则下列说法中正确的是 A．该粒子带正点B sketch template

如图6所示在光�的水平面上物体B静止在物体B上固定一个轻弹簧物体A以某一速度沿水平方��右运动通过弹簧与物体B�生作用两物体的质量 sketch template

1画出图1中茶杯对桌面的压力的示意图．2如图2所示物体在水面上保持静止请在图中作出物体所受到的力．题目和参考答案——青夏教育精英 sketch template

1一物体静止在斜面上如图1所示物体受到的斜面的支持力为8N请在图中作出支持力的示意图．2如图2所示小球被斜挂在竖直墙上小球 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

水平地面上的物体在水平方�受到一个拉力F和地面对它的�擦力f的作用在物体处于静止状态的条件下下面各说法中正确的是 A当F增大时f也随之 sketch template

如图所示物体m放在斜面上静止现用水平力F推物体使F由零逐渐增加而物体m仍保持静止则 A．物体和斜面间的最大静�擦力逐渐增加B．物体 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相同材料制成的粗糙程度相同的两个物块AB中间用一不可伸长的轻绳连接用一相同大小的恒力F作用在A物体上使两物块沿力的方�一起运动 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AB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质量分别为m2m的球AB由轻质弹簧相连后再用细线悬挂在正在竖直�上做匀减速运动的电梯内细线承受的拉力为F此时突然剪断细线 sketch template

质量分别为m1m2的两个物体甲和乙放在表面光�且足够长的木板上随木板一起以水平�右的相同速度沿同一直线做匀速直线运动当木板突然停止时 sketch template

如图所示让小球从同一斜面的同一高度处下�使它们在不同的物体铺垫的水平面上运动．1请画出小球在木板上最终停止时的大致位置．2实验中让 sketch template

如图所示物体A静止在光�的水平面上A的左边固定有轻质弹簧与A质量相同的物体B以速度v�A运动并与弹簧�生碰撞AB始终沿同一直线运动 sketch template

如图所示套在足够长的绝缘粗糙直棒上的带正电小球其质量为m带电荷量为q小球可在棒上�动现将此棒竖直放入沿水平方�且互相垂直的匀强磁场和 sketch template

如图所示一轻质弹簧一端固定另一端与物体A相连并使A在光�水平面上做简谐运动．当A到达最大位移处时把物块B由静止放置在A上面此后AB一 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

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，A、B两绝缘物体叠放在粗糙的水平面上，地面上方存在如图所示的匀强磁场，A物体带有正电荷，现使A、B二物体以初速度v0相对静止地�右 sketch template

5．如图所示两物体与水平面间的动�擦因数相同它们 的质量相等在甲图用力F1推物体在乙图用力F2拉 物体两种情况下物体都做匀速运动 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

如图所示在倾角为θ的光�斜面上有一轻质弹簧其一端固定在斜面下端的挡板上另一端与质量为m的物体接触物体静止时弹簧被压缩了x0．现用力F sketch template

题目如图所示AB两物体的重力分别是GA=6NGB =9N A用细线悬挂在顶板上B放在水平面上AB间轻弹簧上的弹力F=4N sketch template

如图所示一斜面体静止在粗糙的水平地面上一物体恰能在斜面体上沿斜面匀速下�可以证明此时斜面不受地面的�擦力作用．若沿平行于斜面的方�用力 sketch template

如图所示受斜�上的恒定拉力作用物体在粗糙水平面上做匀速直线运动则下列说法中正确的是 A．．物体受二个力的作用B．物体受到三个力的作用 sketch template

如图为一物体在水平力F作用下沿水平面运动12m位移的F S图象求水平力F在这段位移内对物体所做的功．题目和参考答案——青夏教育精英家教�—— sketch template

如图所示用一水平力F=30N将重20N的木块压在竖直墙壁上使其静止在竖直墙壁上画出木块受到力的示意图．题目和参考答案——青夏教育精英家教�—— sketch template

如图所示一物体恰能在一个斜面体上沿斜面匀速下�可以证明出此时斜面不受地面的�擦力作用若沿斜面方�用力�下推此物体使物体加速下�则斜面 sketch template

如图所示平面AB与倾角为37°的斜面在B点相连AB长5m．质量是1kg的物体在F=5N的水平拉力作用下由A点从静止开始运动到达B点时立即 sketch template

如图所示让物体从图中的C位置由静止开始做圆�运动其运动轨迹的圆弧与地面相切于最低点D处物体运动到D点时�线刚好被拉断物体在粗糙的水平面 sketch template

如图所示物体A静止在光�的水平面上A的左边固定有轻质弹簧与A质量相同的物体B以速度v�A运动并与弹簧�生碰撞AB始终沿同一直线运动 sketch template

如图所示AB两物体用轻细绳跨过光�轻小�轮相连A物体悬在空中B物体放在水平地面上AB两物体均静止现将B物体稍�左移一点AB两 sketch template

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