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範例:滑輪與功能定理

右圖中，不計繩的質量及摩擦力，A釋放後(1)兩者等高時，速率為若干? (2)A落至地面時(著地前瞬間)，速率為何? (3)B能上達的最大高度為若干?

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By admin – 2009 年 04 月 15 日

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