如图所示，用细绳拴一小球在光�桌面上绕一铁钉系一绳套做匀速圆�运动，关于小球的受力，下列说法正确的是 A．重力、支持力 b．重力 Sketch Coloring Page

如图所示，用细绳拴一小球在光�桌面上绕一铁钉系一绳套做匀速圆�运动，关于小球的受力，下列说法正确的是 A．重力、支持力 b．重力 Template

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tomski如图所示，用细绳拴一小球在光�桌面上绕一铁钉系一绳套做匀速圆�运动，关于小球的受力，下列说法正确的是 a．重力、支持力 coloring

如图6所示用绳子系住小球挂在墙上试画出小球所受重力的示意图——青夏教育精英家教�—— sketch template

5．如图所示一小球用细绳悬挂于O点将其拉离竖直位置一个角度后释放则小球沿以O点为圆心的圆弧ABC�动相当于圆�运动的一部分当小球 sketch template

如图所示，用细绳拴一小球在光�桌面上绕一铁钉系一绳套做匀速圆�运动，关于小球的受力，下列说法正确的是 A．重力、支持力 B．重力 sketch template

如图6所示绳的一端拴一小球另一端悬于固定点O点处用手把小球拉到A点后松开手小球在�动过程中1小球从A运动到B点在 点的重力势能 sketch template

如图所示长为L的轻质细绳悬挂一个质量为m的小球其下方有一个倾角为θ的光�斜面体放在光�水平面上．开始时小球刚好与斜面接触无压力现在用 sketch template

如图所示用细绳系着一个小球使小球在水平面内做匀速圆�运动不计空气阻力关于小球受力说法正确的是A．只受重力 B．只受拉力C．受重力拉力 sketch template

如图所示用细绳一端系着的质量为M=06kg的物体A静止在水平转盘上细绳另一端通过转盘中心的光�小孔O吊着质量为m=03kg的小球BA 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

如图所示小球与光�斜面接触细绳绷直处于竖直方�则小球受到的作用力是A重力和细绳的拉力B重力细绳的拉力和斜面的支持力C重力和斜面 sketch template

如图所示，固定在水平面上的光�半球，球心O的正上方固定一个小定�轮，细绳一端拴一小球，小球置于半球面上的A点，另一端绕过定�轮，如图所示。今 sketch template

如图所示用细线把一质量为m的小球悬挂起来．将小球从位置B拉到位置A松手后小球就在AC之间来回�动请画出小球到达最高点C时受到的力的 sketch template

如图所示长度为L的细绳上端固定在天花板上O点下端拴着质量为m的小球．当把细绳拉直时细绳与竖直线的夹角为θ=60°此时小球静止于光�的 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

如图所示长为L的细绳一端固定在O点另一端系一质量为m的小球今将小球水平拉至A点静止释放在O点正下方何处钉一铁钉使小球刚好能绕点在竖直 sketch template

如图所示细绳绕过两个定�轮A和B在两端各挂质量为m的物体在AB中点C处挂一质量为M的小球 A B轴心间距离为2L且m＜M＜2m sketch template

如图用一根结实的细绳一端栓一个小物体在足够大的光�水平桌面上抡动细绳使小物体做圆�运动 �当你抡动细绳使小物体做匀速圆�运动时 sketch template

如图所示用一轻绳将光�小球P系于竖直墙壁上的O点在墙壁和球P之间夹有一矩形物块QPQ均处于静止状态现有一铅笔紧贴墙壁从O点开始缓慢 sketch template

如图所示细绳的一端固定于O点另一端系一小球在O点的正下方A处有一钉子现使小球由高处�下当绳子�到竖直位置时与钉子相碰而绕A点运动则 sketch template

54．如图所示用长短不同材料和粗细均相同的两根绳子各拴着一个质量相同的小球在光�的水平面上做匀速圆�运动则 A．两个小球以相同的 sketch template

如图所示长为L的细绳一端固定在O点另一端拴住一个质量为m的小球在O′点处有一枚与竖直平面垂直的钉子O′与竖直方�成θ=37°角．把球拉 sketch template

如图所示用长为L的细绳拴住一个质量为m的小球让小球在水平面内做匀速圆�运动细绳与竖直方�夹角为θ求1小球做匀速圆�运动的角速度 sketch template

如图所示细绳绕过两个定�轮A和B在两端各挂质量为m的物体在AB中点C处挂一质量为M的小球 A B轴心间距离为2L且m＜M＜2m sketch template

如图所示细绳绕过两个定�轮A和B在两端各挂质量为m的物体在AB中点C处挂一质量为M的小球 A B轴心间距离为2L且m＜M＜2m sketch template

如图所示用两根同样长的细绳把两个带同种电荷的小球悬挂在同一点．两球的质量分别为mAmBA球和B球所带的电荷量分别为qAqB．两球静止时 sketch template

弹力的产生条件章节学习百度题库 sketch template

如图所示甲乙两个�轮组通过细绳悬挂在天花板上用�轮组匀速提升重为600N的物体时悬挂甲乙两�轮组的细绳所受的拉力分别为F甲F乙 sketch template

如图所示物体A置于水平面上物A前固定有动�轮BD为定�轮．一根轻绳绕过DB后固定在C点BC水平当用力以速度υ拉绳子时物体沿水平 sketch template

如图所示两个小球A和B中间用弹簧连接并用细绳悬于天花板下下面四对力中属于平衡力的一对力是 A．绳对A的拉力和弹簧对A的拉力B sketch template

如图所示小球用细绳系住放在倾角为θ的光�斜面上当细绳由水平方�逐渐�上偏移时斜面对小球的支持力将 A．逐渐增大B．逐渐减小C．先增大 sketch template

如图所示用细绳系着一个小球使小球在水平面内做匀速圆�运动不计空气阻力以下关于小球受力的说法中正确的是 A．只受重力B．只受拉力C sketch template

如图所示物体A通过轻质细绳拉光�水平面上的物体B现用适当的外力作用在物体B上使沿物体A沿光�竖直杆以速度v匀速下�的细绳与竖直杆间的夹角 sketch template

如图所示质量为m的小球被水平绳AO和与竖直方�成θ角的轻弹簧系着处于静止状态现用火将绳AO烧断在绳AO烧断的瞬间下列说法正确的是 sketch template

百度教育 sketch template

如图所示质量为m的小球用一根细线悬挂在O点用一个水平力作用在小球上使细线与竖直方�成30°角时小球静止求1水平拉力的大小．2 sketch template

如图所示用两根长度相同的轻绳OA和AB连结钉子O和两个质量相等的小球当两小球在光�水平桌面上做匀速圆�运动时两段绳的张力之比为TOA sketch template

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