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範例:重心與力矩平衡

有一支球棒長1米,重1公斤,當細端掛280克的手套時,支持棒的中央即平衡,求當不掛手套時,支點距離粗端多少處可保持平衡?


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Posted in 重心與質心.

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By admin – 2010 年 09 月 28 日

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