7．如图所示用两根绳子oa和ob系住以重物绳oa的一端固定于a点手拉绳ob使ob由水平位置逐渐转�方�同时保持oa与天花板夹角θ不变 Sketch Coloring Page

7．如图所示用两根绳子oa和ob系住以重物绳oa的一端固定于a点手拉绳ob使ob由水平位置逐渐转�方�同时保持oa与天花板夹角θ不变 Template

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More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

sketch #3367 Ichigo by Szymon Broszczak

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anonymous
sketch #3367 Ichigo by Szymon Broszczak

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anonymous
sketch #5218 Marshall Lee Dj-ionut Manelomania

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sketch #4566 Edward Scissorhands by Angel Ördoñez

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sketch #1892 hmmmm........

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anonymous
sketch #1892 hmmmm........

sketch #4728 Angry Toad by Geneval Mendes

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sketch #4728 Angry Toad by Geneval Mendes

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Rachel Roe
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sketch #334 DON 'T!

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anonymous
sketch #334 DON 'T!

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sketch #3388 Fight Club by Alvaro Velasquez

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sketch #2877 Elvis by Karoline Castillo

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sketch #4934 Nami-Ki Roberto Castro Colimil

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sketch #4934 Nami-Ki Roberto Castro Colimil

tomski7．如图所示用两根绳子oa和ob系住以重物绳oa的一端固定于a点手拉绳ob使ob由水平位置逐渐转�方�同时保持oa与天花板夹角θ不变 coloring

用两根绳子吊起一个重物如图所示如果AOBO绳所能承受的最大拉力均是20104Nsin37º＝06sin53º＝08则1 sketch template

6．如图所示一根粗细不均匀的木材用两根轻绳悬挂在天花板上下列判断正确的是 A 木材的重心位置在AB的中点 B 绳OA受到的拉力 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

15．如图所示用两根绳子OA及OB把一重物悬挂起来OB＞OA下列说法中正确的是 A．绳OA承担的力大 B．绳OA承担的力小 sketch template

用两根绳子AC和BC吊起一重物两绳与水平方�的夹角如图所示已知G＝200N则 1重力沿AC方�的分力为 N2重力沿BC方�的 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用两根不可伸长的轻绳连接两根质量均为m的小球AB细绳的一端悬挂于O点在外力F作用下小球AB处于静止状态已知细绳OA与竖直 sketch template

日常生活中�们有时要用同样长的两根绳子挂一个物体如图1所示如果绳子的最大拉力为F物体受到的重力为G你能否用�量的知识分析绳子受到的 sketch template

7．如图所示用两根绳子OA和OB系住以重物绳OA的一端固定于A点手拉绳OB使OB由水平位置逐渐转�方�同时保持OA与天花板夹角θ不变 sketch template

如图所示AB两点在同一水平面上轻绳OAOB与水平方�的夹角分别为37°和53°若轻绳OA和OB所能承受的最大拉力分别为120N和 sketch template

用两根绳子吊起一个重物如图10所示如果每根绳所能承受的最大拉力是20104Nsin37＝06sin53＝08求 1吊 sketch template

如图所示对于同一高度的两个定�轮AB用一条足够长的绳子跨过它们并在两端分别挂有质量为m1和m2的物体m1≠m2 另在两�轮中间的 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

力的三角形法则的应用知乎 sketch template

如图所示用两根绳子吊起一重物使重物保持静止逐渐增大两绳子之间夹角则两绳子的拉力的合力变化情况是 A不变 B减小 C增大 D sketch template

一轮复习：阿特伍德机类型知乎 sketch template

百度教育 sketch template

如图所示将一根不可伸长柔软的轻绳两端分别系于AB两点一物体用动�轮悬挂在绳子上达到平衡时两段绳子间夹角为θ1绳子张力为F1将 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

如图所示把一个物体挂在绳子的中点已知AC=BC=3cmCD=1cm此时AC与BC绳拉力均为15N求1两根绳子拉力的合力2 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

如图所示小明分别用甲乙两�轮把同一桶沙子从一楼地面提到二楼地面用甲�轮所做的总功为W1机械效率为η1用乙�轮所做的总功为W2机械效率 sketch template

15．如图6所示绳子AB能承受的最大拉力为100N用它悬挂一个重50N的物体现在其中点O施加一个水平拉力F缓慢�右拉动当绳子断裂时AO sketch template

用四只完全相同的�轮和两根相同的绳子组成如图所示的甲乙两个�轮组不计绳子与�轮的�擦则 A 甲较费力但机械效率与乙相同B 乙较 sketch template

如图所示小明分别用甲乙两�轮把同一桶沙子从一楼地面提到二楼地面用甲�轮所做的总功为W1机械效率为η1用乙�轮所做的总功为W2机械效率 sketch template

百度教育 sketch template

如图所示用绳AC和BC吊起一个物体绳AC与竖直方�的夹角为60°能承受的最大拉力为100N绳BC与竖直方�的夹角为30°能承受的最大 sketch template

如图所示，用轻绳将两根通电直导线悬挂在天花板上的点 高途 sketch template

第二单元相互作用与运动定律 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

7．如图所示一直角斜面体固定在地面上斜面倾角分别为30°和60°ab两物体分别系于一根跨过定�轮的轻绳两端置于斜面上ab可看成 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

如图所示用两支相同的弹簧秤吊着一根铜棒铜棒所在的虚线框范围内有垂直纸面的匀强磁场棒中通入自左�右的电流．当棒静止时两弹簧秤示数均为F1 sketch template

如图所示用定�轮和动�轮分别将质量相同的甲乙两物体匀速提升相同的高度不计绳重与�擦且动�轮重G动小于乙物体的物重G则所用的拉F甲 sketch template

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