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範例:重心與靜力平衡

如圖左於邊長為3米、4米、5米的ΔABC頂點分別有質量均為m的球體(連接三球之細桿質量可忽略), 若用繩自A點將ΔABC吊起，如圖右，則圖中θ的正切值tanθ為 。[86前鎮高中]


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Posted in 段考試題, 重心與質心.

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By admin – 2010 年 09 月 28 日

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