5．如图所示oa为一遵守胡克定律的橡皮条其一端固定在天花板上的o点另一端与静止在动�擦因数恒定的水平地面上的�块a相连当橡皮条处在竖直 Sketch Coloring Page

5．如图所示oa为一遵守胡克定律的橡皮条其一端固定在天花板上的o点另一端与静止在动�擦因数恒定的水平地面上的�块a相连当橡皮条处在竖直 Template

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anonymous

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sketch #3058 Marilyn Monroe by Adam Pyszny

anonymous

anonymous
sketch #3058 Marilyn Monroe by Adam Pyszny

sketch #4945

anonymous

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sketch #120 a pretty flower

Carly Kelly
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anonymous

anonymous
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anonymous
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anonymous

anonymous
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sketch #4766 The Little Mermaid by Zizou Aiman

anonymous

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anonymous

anonymous
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Ainhoa White
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anonymous

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sketch #2035 Ernest Hemingway...
chayrolfrypan

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tomski5．如图所示oa为一遵守胡克定律的橡皮条其一端固定在天花板上的o点另一端与静止在动�擦因数恒定的水平地面上的�块a相连当橡皮条处在竖直 coloring

5．如图所示OA为一遵守胡克定律的橡皮条其一端固定在天花板上的O点另一端与静止在动�擦因数恒定的水平地面上的�块A相连当橡皮条处在竖直 sketch template

如图9所示OA为一遵循胡克定律的弹性轻绳其一端固定于天花板上的O点另一端与静止在动�擦因数恒定的水平地面上的�块A相连当绳处于竖直位置 sketch template

5．如图所示OA为一遵守胡克定律的橡皮条其一端固定在天花板上的O点另一端与静止在动�擦因数恒定的水平地面上的�块A相连当橡皮条处在竖直 sketch template

一轮复习：动态平衡问题解题技巧知乎 sketch template

如图，在四边形ABCD中，对角线AC与BD交于点O，已知OA =OC，OB=OD，过点O作EF⊥ BD，分别交AB、DC于点E，F，连接DE sketch template

如图所示OA为遵从胡克定律的弹性轻绳其一端固定于天花板上的0点另一端与静止在水平地面上的物块m相连当绳处于竖直位置时物块m对地面有压力 sketch template

如图所示OA为遵从胡克定律的弹性轻绳其一端固定于天花板上的0点另一端与静止在水平地面上的物块m相连当绳处于竖直位置时物块m对地面有压力 sketch template

力的三角形法则的应用知乎 sketch template

动力学的解题方法知乎 sketch template

一轮复习：阿特伍德机类型知乎 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

第二单元相互作用与运动定律 sketch template

如图甲所示装置中OAOB是两根轻绳AB是轻杆它们构成一个正三角形在AB两处分别固定质量均为的小球此装置悬挂在O点开始时装置自然 sketch template

如图所示AOB为一轻质杠杆O为支点OA=OB在杠杆的B端挂一重20N的重物要使杠杆平衡则在A端施加的力F至�为 N 题目和参考 sketch template

如图所示两条悬绳OAOB结于O点O点下方挂一重物GAB两点系在水平天花板上OA绳与天花板之间的夹角为53°OB绳与天花板之间的 sketch template

在如图所示实验中将小铁球从斜面顶端由静止释放观察到它在水平桌面上运动的轨迹如图甲中虚线OA所示在OA方�的侧旁放一磁铁再次将小铁球从 sketch template

如图所示这些图形是由哪些简单的图形组成的试着求它们的面积．如图1所示的图形由和组成．面积为 ．如图2所示的六边形由两个完全一样的 组成 sketch template

如图所示轻杆OA可绕支点0转动在OA的C点悬挂一重为G 的物体细绳的一端拉住杆的A端另一端拴在墙上的B点使杆OA在图示位置平衡细绳 sketch template

5．如图所示轻绳OA的一端系在质量为m的物体上另一端系在一个套在粗糙水平横杆上的圆环上现用水平力F拉绳上一点使物体从图中实线位置缓慢 sketch template

如图所示物体用两条细线悬挂细线OAOB的长度分别为3cm和4cm．若已知绳OB对物体的拉力为15N则OA对物体的拉力为 该物体受的 sketch template

5．如图1所示甲乙为单色光通过窄缝后形成的明暗相间的两种条纹图样下列判断正确的是 图1 A．甲为单缝衍射的图样 B．乙为双缝干涉的 sketch template

7．如图所示弹性轻绳的一端固定在O点另一端拴一物体物体静止在水平地面上的B点并对水平地面有压力O点的正下方A处有一固定的垂直于纸面的 sketch template

如图所示OA是一条折射光线若OA与水面夹角为50°关于入射角a折射角b大小的判断正确的是 A．a＞40°b=50°B．a＞40 sketch template

如图所示用一根细线OB把电灯拉至图中位置电线OA与天花板夹角为60°．若要使细线OB所受拉力最小则细绳OB与OA的夹角θ应为 A sketch template

用如图所示甲乙两个�轮组分别提起相同的质量的物体．两个�轮组的动�轮的质量相同不计�擦则A．F甲> F乙η甲>η乙B．F甲 sketch template

如图所示两根长度相等的杆OA与OB在O点用螺母铰接在一起两臂间的夹角可以改变OA是没有质量的轻杆而OB杆是由一定质量且质量均匀分布的重 sketch template

．如图所示能承受最大拉力为10 N的细线OA与竖直方�成45°角能承受最大拉力为5 N的细线OB水平细线OC能承受足够大的拉力．为使OA sketch template

如图所示杠杆每小格的长度相等质量不计以o点为支点杠杆的右端挂有重物M支点左边的A处挂钩码M时杠杆平衡将重物M浸没在水中钩码移到 sketch template

李平同学拉单杠时两臂平行握住单杠在他两臂逐渐分开的过程中某一只手臂的拉力大小变化情况为 A．逐渐变大B．逐渐变小C．先变小后变大D sketch template

如图所示OB是以O点为支点的杠杆F是作用在杠杆B端的力．线段AB与力F的作用线在一条直线上且OA⊥AB．1线段OA表示力F的力臂 sketch template

如图所示AOB为一轻质杠杆O为支点OA=OB在杠杆的B端挂一重20N的重物要使杠杆平衡则在A端施加的力F至�为 N 题目和参考 sketch template

如图所示甲乙两图都是时钟在平面镜中成的像甲图是镜子水平放置时的像乙图是镜子竖直放置时的像它们的实际时间是甲1010乙1205 sketch template

如图所示粗细均匀的�属环的电阻为R可绕轴O转动的�属杆OA的电阻R/4杆长为LA端与环相接触一阻值R/2为的定值电阻分别与杆的端点O sketch template

如图所示边长为L的正方体空心�属盒和实心�属球各一个．若把球放在盒内密封后放入密度为ρ的液体中�属盒有h1的高度露出液面如图甲所示若把 sketch template

如图甲所示倾角θ=30°的光�斜面固定在水平面上自然伸长的轻质弹簧一端固定在斜面底端的挡板上一质量为m的小球从离弹簧上端一定距离的位置 sketch template

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