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範例:力矩[87日大]

一長度為d，質量可以略去的細桿，其中心點O固定，兩端各置有質量m及2m的質點﹔細桿與鉛垂方向之夾角為 θ，(如圖所示)。設重力加速度為g，則重力對O點所產生的力矩之量值為何?[87日大]

 
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Posted in 力矩與剛體靜力平衡, 歷屆物理考題, 轉動慣量與角動量.

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By admin – 2009 年 02 月 18 日

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