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範例:三力平衡與向量處理

如圖所示，一重10公斤物體掛在一繩上某點，恰可使之靜止不動，則繩作用於A、B兩點的張力各為多少公斤?


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rev="post-3380" 1 comment

By admin – 2010 年 09 月 08 日

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  1. Topboy says

    已更新詳解內容

    2010 年 09 月 22 日, 11:08:53

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