过定�轮的绳子两端挂不同重量的物体后，绳子两边的拉力相等吗？ 知乎 Sketch Coloring Page

过定�轮的绳子两端挂不同重量的物体后，绳子两边的拉力相等吗？ 知乎 Template

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sketch #3425 &#;Tonari no Kaibutsu-kun&#; by Betty Marie Melzer

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sketch #3425 &#;Tonari no Kaibutsu-kun&#; by Betty Marie Melzer

sketch #2627 Taz by sketchmaster

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sketch #2627 Taz by sketchmaster

sketch #3562 Angry by Leon Soria Ricardo

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sketch #4511 Yao Ming by Betty Marie Melzer

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sketch #3749 Girl Ari Rainbow

sketch #5225 The Friendship by Annabelle Bourget

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sketch #5225 The Friendship by Annabelle Bourget

sketch #2573 homer simpson

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sketch #3499 Alien Laura Gutierrez Hinojosa

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sketch #2636 Robitina by sketchmaster

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sketch #2636 Robitina by sketchmaster

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sketch #3145 Madoka by Николай Герасимов

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sketch #3145 Madoka by Николай Герасимов

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sketch #5361 Emma Watson by Glynis June Williams

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sketch #3727 Stitch by Louis Tradieu

sketch #3701 amazing Skull

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sketch #3701 amazing Skull

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sketch #5210 I love you by Saul Mansanares

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sketch #5210 I love you by Saul Mansanares

tomski过定�轮的绳子两端挂不同重量的物体后，绳子两边的拉力相等吗？ 知乎 coloring

过定�轮的绳子两端挂不同重量的物体后，绳子两边的拉力相等吗？ 知乎 sketch template

两个质量分别为m1和m2的重物挂在细绳的两端m1＞m2绳子绕过一个半径为r的�轮在�轮的轴上固定了四个长为L即球心到轴心的距离为L sketch template

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两个动�轮和两个定�轮组成的�轮组提升物体若已知物重400N绳子自由端的拉力为120N则�轮组的机械效率可为 A．30%B．67%C sketch template

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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

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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

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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

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

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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

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