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範例:鏤空與三角形質心

一質料均勻的正方形薄紙板邊長為L: (1)若將其右上角斜線,部份除去,則剩下部份的質心位置距O點若干?(2)若將其右上角斜線部份摺至圖中O點位置時,其質心位置移動若干?


[新版詳解] [舊版詳解]第(1)小題 第(2)小題

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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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