如图所示，用三根长度相同的绝缘细线将三个带电小球连接后悬挂在空中，三个带电小球质量相等，a球带负电，平衡时三根绝缘细线都是直的，但拉力都为零 Sketch Coloring Page

如图所示，用三根长度相同的绝缘细线将三个带电小球连接后悬挂在空中，三个带电小球质量相等，a球带负电，平衡时三根绝缘细线都是直的，但拉力都为零 Template

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anonymous

anonymous
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anonymous

anonymous
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anonymous

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anonymous
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anonymous

anonymous
sketch #3138 Papa Smurf by Courtney Spragg

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يآآسر محمد
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anonymous

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sketch #2220 bahbah sexy sheep

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anonymous
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anonymous
sketch #2992 Dragon by Iky Sahendra Putra

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Ariel Fernando
sketch #1061 garota ao vento

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anonymous

anonymous
sketch #3447 Hidan (Akatsuki) by ßeyza Karaca

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sketch #521 A hungry caterpillar

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anonymous

anonymous
sketch #3337 Uryuu Minene by Michael Angcay

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Laura Agapi Asnicar
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sketch #1459 khvjkhu

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tomski如图所示，用三根长度相同的绝缘细线将三个带电小球连接后悬挂在空中，三个带电小球质量相等，a球带负电，平衡时三根绝缘细线都是直的，但拉力都为零 coloring

如图所示，用三根长度相同的绝缘细线将三个带电小球连接后悬挂在空中，三个带电小球质量相等，A球带负电，平衡时三根绝缘细线都是直的，但拉力都为零 sketch template

如图所示长度相同的三根轻杆构成一个正三角形支架固定质量为2m的小球A质量为m的小球B支架悬挂在O点可绕过O点并与支架所在平面相垂直 sketch template

如图所示长度相同的三根轻杆构成一个正三角形支架在A处固定质量为2m的小球 B处固定质量为m的小球支架悬挂在O点可绕过O点并与支架所在 sketch template

如图所示，用三根轻绳将质量为m的物块悬挂在空中。已知ac和bc与竖直方�的夹角分别为30°和60°，重力加速度为g。请选择合适的研究对象，画出 sketch template

如图所示用三根相同的轻弹簧abc和重力为G的同一小球相连接后固定在水平地面和天花板之间静止时观察到ab与天花板的夹角都是30°而 sketch template

如图甲所示，用刻度尺测量一物体的长度，物体的长度为cm；如图乙所示，图中是分度值为01s的机械秒表，其示数是s。 sketch template

如图所示用三根竖直的长度相同且不可伸长的细轻绳将一个细圆环水平悬挂环上拴绳点彼此距离相等．现借助一些重量不计的辐条将一与环等质量的重物 sketch template

如图所示，用三根长度相同的绝缘细线将三个带电小球连接后悬挂在空中，三个带电小球质量相等，A球带负电，平衡时三根绝缘细线都是直的，但拉力都为零 sketch template

如图所示用三根长度相同的绝缘细线将三个带电小球连接后悬挂在空中．三个带电小球质量相等A球带正电平衡时三根绝缘细线都是直的但拉力都为零 sketch template

有三根长度皆为l＝ 100 M 的不可伸长的绝缘轻线，其中两根的一端固定在天花板上的O点，另一端分别拴有质量皆为m＝100×10 百度教育 sketch template

5．如图所示用三根轻绳ABBCCD连接两个小球两 球质量均为mAD两端固定系统在竖直平面内静止AB和CD与竖直方�的夹角分别 sketch template

如图所示用三根细线将质量均为m的AB两小球以及水平天花板上的固定点O之间两两连接然后用一水平方�的力F作用于A球上此时三根细线处于直线 sketch template

一轮复习：动态平衡问题解题技巧知乎 sketch template

2．如图2 6所示是一根表面均匀地镀有很薄的�热电阻膜的长陶瓷管其长度L为50cm左右直径D为10cm左右镀膜材料的电阻率ρ已知管的 sketch template

百度教育 sketch template

如图所示完全相同的质量为m的AB两球用两根等长的细线悬挂在O点两球之间夹着一根劲度系数为k的轻弹簧静止不动时弹簧处于水平方�两根 sketch template

百度教育 sketch template

用四个�轮和两根相同的绳子组成如图所示的甲、乙两个�轮组用它们匀速提起货物在绳自由端施加竖直的拉力分别为F甲和F乙物重分别为G甲和G乙 sketch template

如图甲所示是小明“探究电流与电压、电阻的关系”的实验电路图。选用的实验器材是：电源3V、电流表（00 6A）、出卷� sketch template

如图所示，电源电压恒为18V，定值电阻R1=20Ω，�动变阻器R2标有“40Ω 05A”，电流表A的量程为006A，电压表量程为0 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用粗细均匀的电阻丝折成平面梯形框架abcd边均与ad边成60°角ab=bc=cd=L长度为L的电阻丝电阻为r框架与一电动势 sketch template

用三根细线、、将两个小球和连接，并如图所示悬挂。两高途 sketch template

如图所示两个相同的小球A与B分别用一根轻绳和轻弹簧的一端连接轻绳和轻弹簧的另一端被悬挂在同一高度．现将两个小球都拉至相同的高度此时弹簧 sketch template

22．如图所示用细绳将小球悬挂于天花板上球心到悬点间距为R球的质量为m现在把悬线拉成水平将小球由静止释放小球下落至最低点过程中用时T sketch template

2．如图所示用两根同样的绝缘细线把甲乙两个质量相等的带电小球悬挂在同一点上甲乙两球均处于静止状态．已知两球带同种电荷且甲球的电荷量 sketch template

粗细相同而长度不同的两根铝导线串联在电路中接通电源后 A．通过长铝导线的电流大B．通过短铝导线的电流大C．长铝导线两端的电压大D．短铝 sketch template

百度教育 sketch template

如图所示两个质量不同的小球用长度不等的细线拴在同一点并在同一水平面内作匀速圆�运动则它们的 A运动�期相同 B运动线速度一样 sketch template

如图所示用三条细线悬挂的�属圆环�属环粗细均匀单位长度的质量为25g三条细线�对称分布稳定时�属环面水平在�属环正下方放有一个 sketch template

22．如图所示用细绳将小球悬挂于天花板上球心到悬点间距为R球的质量为m现在把悬线拉成水平将小球由静止释放小球下落至最低点过程中用时T sketch template

2．如图所示是一个铁丝圈中间松松地系一根棉线图乙是浸过肥皂液后的铁丝圈上形成一肥皂液薄膜图丙所示是用手指轻轻地碰一下棉线的任意一侧图丁 sketch template

小敏用如图甲所示的电路图研究通过导体的电流与导体电阻的关系电源电压恒为6V改变电阻R的阻值调节�动变阻器�片保持R两端的电压不变记 sketch template

10．用相同的定�轮和动�轮组成甲乙两个�轮组如图8所示用它们来提升同一重物甲�轮组将重物举高1m乙�轮组将重物举高2m在不计绳 sketch template

如图所示的电路中电源的电压保持不变R1为定值电阻R2为�动变阻器闭合开关S�片P�右移动时则A．电流表A的示数变大B．电压表V的示 sketch template

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