4． 如图所示小球被细绳系住放在倾角为的光�斜面上当绳子从水平方�逐渐�上偏移时细绳上的拉力将——青夏教育精英家教�—— Sketch Coloring Page

4． 如图所示小球被细绳系住放在倾角为的光�斜面上当绳子从水平方�逐渐�上偏移时细绳上的拉力将——青夏教育精英家教�—— Template

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tomski4． 如图所示小球被细绳系住放在倾角为的光�斜面上当绳子从水平方�逐渐�上偏移时细绳上的拉力将——青夏教育精英家教�—— coloring

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

6．如图4所示小球在一细绳的牵引下在光�桌面上绕绳的另一端O作匀速圆�运动关于小球的受力情况下列说法中正确的是 A．受重力支持力和� 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

4． 如图所示小球被细绳系住放在倾角为的光�斜面上当绳子从水平方�逐渐�上偏移时细绳上的拉力将——青夏教育精英家教�—— 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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质量m=05kg的光�小球被细线系住放在倾角为α=30°的斜面上．已知线与竖直方�夹角β=30°整个装置静止于粗糙水平面上．g 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

题目如图所示一个带正电荷的小球沿光�水平绝缘的桌面�右运动飞离桌子边缘A最后落在地板上设有磁场时其飞行时间为t1水平射程为x1 sketch template

如图所示倾角为α的光�斜面体上有一个小球m被平行于斜面的细绳系于斜面上开始时斜面体静止放在水平面上g=10m/s2 1要使小球对 sketch template

如图所示在天花板上的O点系一根细绳细绳的下端系一小球将小球拉至细绳处于水平的位置由静止释放小球小球从位置A开始沿圆弧下落到悬点的正 sketch template

如图所示穿在一根光�固定杆上的小球AB通过一条跨过定�轮的细绳连接杆与水平方�成θ角不计所有�擦．当两球静止时OA绳沿竖直方�OB sketch template

如图所示两个小球AB用等长的绝缘细绳悬挂起来让它们带上同种电荷后两细绳偏离竖直位置它们的张角αβ已知则有关两个小球质量之比 sketch template

如图所示一轻细绳跨过定�轮连接两个小球AB它们都穿在一光�的竖直杆上不计细绳与�轮间的�擦当两球平衡时OA绳与水平方�的夹角为60 sketch template

如图所示质量是m的小球带有正电荷电荷量为q小球中间有一孔套在足够长的绝缘细杆上．杆与水平方�成θ角与球的动�擦因数为μ此装置放在沿 sketch template

4．如图所示光�水平面上小球在拉力作用下做匀速圆�运动．若小球运动到点时拉力�生变化关于小球运动情况的说法正确的是 A．若拉力 sketch template

如图所示用三条完全相同的轻质细绳123将AB两个质量均为m的完全相同的小球连接并悬挂小球处于静止状态轻绳1与竖直方�的夹角为45 sketch template

如图所示质量为m的小球用长L的细线悬挂而静止在竖直位置在下列三种情况下分别用水平拉力F将小球拉到细线与竖直方�成θ角的位置．在此过程中 sketch template

如图所示用绳子系住小球靠在墙上物体重16N绳受到20N拉力试画出物体受到重力和拉力的示意图．题目和参考答案——青夏教育精英家教�—— sketch template

如图所示长为L的细绳一端系有一质量为m的小球另一端固定在O点细绳能够承受的最大拉力为9mg．现将小球拉至细绳�水平位置然后由静止释放 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

百度教育 sketch template

题目如图所示质量为m的小球用一细线悬挂在天花板上现用一大小恒定的外力慢慢将小球拉起在小球可能的平衡位置中细线与竖直方�的最大偏角 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C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�轮拴另一个 sketch template

8．如图所示AB两小球分别连在弹簧两端B端用细线固定在倾角为30°光�斜面上若不计弹簧质量在线被剪断瞬间AB两球的加速度分别为 sketch template

如图所示质量为m的小球被用细绳经过光�小孔而牵引在光�水平面上做圆�运动开始时绳子拉力为F1小球做半径为R1的匀速圆�运动某时刻突然将 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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

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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

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

4． 如图所示小球被细绳系住放在倾角为的光�斜面上当绳子从水平方�逐渐�上偏移时细绳上的拉力将——青夏教育精英家教�—— sketch template

如图所示轻绳的一端通过小定�轮O与小球B连接另一端与套在竖直杆上的小物块A相连竖直杆两端固定且足够长物块A沿竖直杆�上做匀速运动其 sketch template

$如图所示质量为m的物块A被轻质细绳系住斜吊着放在倾角为30°的静止斜面上物块A与斜面间的动�擦因数为μμ＜$frac{sqrt{3 sketch template$

4．如图2所示支杆BC一端用铰链固定另一端连接一�轮重物G上系一轻绳经�轮固定于墙上的A点杆�轮及细绳的重力不计各处的�擦均不计 sketch template

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