如图所示重为g的球放在倾角为α的光�斜面上并用与斜面垂直的光�挡板挡住使球静止．若使挡板逆时针缓慢转动到水平位置则在这个过程中球对 Sketch Coloring Page

如图所示重为g的球放在倾角为α的光�斜面上并用与斜面垂直的光�挡板挡住使球静止．若使挡板逆时针缓慢转动到水平位置则在这个过程中球对 Template

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sketch #2559 sun

anonymous

anonymous
sketch #2559 sun

sketch #4891 Pikachu by Resul Danacı

anonymous

anonymous
sketch #4891 Pikachu by Resul Danacı

sketch #3499 Alien Laura Gutierrez Hinojosa

anonymous

anonymous
sketch #3499 Alien Laura Gutierrez Hinojosa

sketch #5211

anonymous

anonymous
sketch #5211

sketch #3473 Finn by Luana Santos

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anonymous
sketch #3473 Finn by Luana Santos

sketch #2359 imazighen amazigh flag

Amazigh N Amurwakuc
sketch #2359 imazighen amazigh flag

sketch #3226 Goth Face

anonymous

anonymous
sketch #3226 Goth Face

sketch #5055

anonymous

anonymous
sketch #5055

sketch #5127 Captain America by Mark Phillips

anonymous

anonymous
sketch #5127 Captain America by Mark Phillips

sketch #5208 Alf by David Rossien

anonymous

anonymous
sketch #5208 Alf by David Rossien

sketch #20840 Dog by Laur Ūūtiis

anonymous

anonymous
sketch #20840 Dog by Laur Ūūtiis

sketch #2969

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anonymous
sketch #2969

sketch #3390 Beautiful drawing by Jessie Lightwood

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anonymous
sketch #3390 Beautiful drawing by Jessie Lightwood

sketch #3300

anonymous

anonymous
sketch #3300

sketch #5348

anonymous

anonymous
sketch #5348

sketch #5177

anonymous

anonymous
sketch #5177

sketch #2178

anonymous

anonymous
sketch #2178

sketch #5039

anonymous

anonymous
sketch #5039

sketch #5214 Crying with a Smile by Bill Kody

anonymous

anonymous
sketch #5214 Crying with a Smile by Bill Kody

sketch #1732

anonymous

anonymous
sketch #1732

sketch #5141

anonymous

anonymous
sketch #5141

sketch #1287 No smoke

anonymous

anonymous
sketch #1287 No smoke

sketch #5077 Light of Hope by Itz Rakhi

anonymous

anonymous
sketch #5077 Light of Hope by Itz Rakhi

sketch #4349 Cícero Николай Герасимов

anonymous

anonymous
sketch #4349 Cícero Николай Герасимов

sketch #1435 donara

Donara Smbatyan
sketch #1435 donara

sketch #2781

Smile Better
sketch #2781

sketch #5217

anonymous

anonymous
sketch #5217

sketch #2150 batman

anonymous

anonymous
sketch #2150 batman

sketch #389

anonymous

anonymous
sketch #389

sketch #4939 Zelda by Jeanie Wagenknecht

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anonymous
sketch #4939 Zelda by Jeanie Wagenknecht

tomski如图所示重为g的球放在倾角为α的光�斜面上并用与斜面垂直的光�挡板挡住使球静止．若使挡板逆时针缓慢转动到水平位置则在这个过程中球对 coloring

如图所示半径为R重为G的均匀球靠竖直墙放置左下方有厚为h的木块若不计�擦用至�多大的水平推力F推木块才能使球离开地面题目和参考 sketch template

如图所示重为G的光�球在倾角为9的斜面和竖直墙壁之间处于静止状态若将斜面换成材料和质量相同但倾角稍小一些的斜面以下判断正确的是 A sketch template

如图所示，倾角为30°的斜面体放在水平地面上，一个重为G的球在水平力F的作用下，静止在光�斜面上，现若将力F从水平方�逆时针转过某一角度αα sketch template

在倾角为θ的斜面上放一只重力为G的光�小球如图所示现用一块光�的挡板来阻止它下�若档板是竖直的求档板和斜面对球的作用力分别是多大要求 sketch template

如图所示半径为R重为G的均匀球靠竖直墙放置左下方有厚为h的木块若不计�擦用至�多大的水平推力F推木块才能使球离开地面题目和参考 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在倾角为α的斜面上重为G的小球被竖直的木板挡住不计一切�擦则小球对斜面的压力为 小球对木板的压力为 ．题目和参考答案——青 sketch template

半径为R的匀质球重G 放在墙角上 如图所示 球面与竖墙地面均接触且最大静�擦因数均为μ＝现有一竖直�下的力F作用于P点P点在 sketch template

15．如图所示所受重力为G的均匀小球放在倾角为α的斜面上球被与斜面夹角为θ的木板挡住球面木板均光�．若使球对木板压力最小则木板与斜面 sketch template

如图所示倾角为θ的斜面上固定有一竖直挡板重为G的光�小球静止时挡板对球的弹力大小为FN1斜面对球的弹力大小为FN2则 AFN1 sketch template

如图所示重为G的物体A放在粗糙的斜面上处于静止状态若用一个方�始终沿斜面�上大小从零开始逐渐增大的变力F作用在物体上使物体从静止状态 sketch template

如图所示重为G的物体在与水平夹角α的力作用下沿竖直墙壁�上匀速运动物体与竖直墙壁的动�擦因数为μ则物体受到的�擦力大小为 A．μGB sketch template

如图所示表示三种不同的�轮组，用它们提起重为G的相同重物，在A端所用的拉力分别为F 1 = ；F 2 3 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

4．如图所示重力为G的光�球放在倾角为α的斜面上并被AB板挡住设球对斜面的压力为N1对挡板的压力为N2当挡板与斜面的夹角θ增大到挡板 sketch template

如图所示一个重为G的小球套在竖直放置的半径为R的光�大圆球上一个劲度系数为k原长为L的轻弹簧一端固定在大圆环顶点A另一端与小球相连 sketch template

如图所示一重为8N的球固定在AB杆的上端今用测力计水平拉球使杆�生弯曲此时测力计的示数为6N则AB杆对球作用力的大小为 A 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

如图所示要将重为G=500N半径为r=05m的轮子滚上高为h=20cm的台阶支点为轮子与台阶的接触点O试在图中作出阻力G的力臂L sketch template

试卷预览：第二章力和力的平衡 sketch template

如图所示一重为120N的球固定在弹性杆AB的上端今用测力计沿与水平方�成37°角斜�右上方拉球使杆�生弯曲此时测力计的示数为100N sketch template

14．如图所示重为G的物体放在倾角为θ的斜面上根据重力的实际效果可将重力分解为平行于斜面使物体下�的分力 F1和垂直于斜面使物体紧压斜面的 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04 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

如图九所示在倾角为的光�斜面上有一长为的细线细线的一端固定在O 点另一端拴一质量为的小球现使小球恰好能在斜面上做完整的圆�运动已知 sketch template

如图所示在轻质杆OB的中点A处悬挂有重为G的物体M在端点B施加方�始终跟杆垂直的拉力F杆从虚线位置沿逆时针方�匀速转至图示位置的过程中 sketch template

如图所示有一重为G的圆柱体放置在水平桌面上用一夹角为600两夹边完全相同的人字夹水平将其夹住圆柱体始终静止试求 1若人字夹内侧 sketch template

15．如图所示所受重力为G的均匀小球放在倾角为α的斜面上球被与斜面夹角为θ的木板挡住球面木板均光�．若使球对木板压力最小则木板与斜面 sketch template

12．如图重为G的物体在倾角为Ө的粗糙斜面上受力F作用处于平衡状态则斜面对物体的作用力为 A． B． C．FsinӨ GcosӨ sketch template

如图所示要将一个半径为R重为G的车轮滚上高为h的台阶需在轮的边缘加一个推力．若推力分别作用在ABC三点时其最小值分别为FAFB 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图线1表示的导体的电阻为R1图线2表示的导体的电阻为R2则下列说法正确的是 A．R1R2=13B．R1R2=31C sketch template

如图所示一倾斜角为θ的固定斜面上有一块可绕其下端转动的挡板P今在挡板与斜面间夹有一重为G的光�球当挡板由竖直位置缓慢转动到水平位置的 sketch template

如图所示在倾角为α的斜面上放一质量为m的小球小球和斜面及挡板间均无�擦当档板绕O点逆时针缓慢地转�水平位置的过程中则有 A．斜 sketch template

如图所示地面上有一固定的斜面体ABCD其AB边的长度S=2m斜面倾角为37°．光�水平地面上有一块质量M=3Kg的足够长的木板紧挨着斜面 sketch template

15．如图10所示重力为G的物体在与竖直方�成角的力作用下恰能沿竖直墙壁在竖直方�上做匀速运动物体与墙壁间的动�擦因数为求力的大小为多 sketch template

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