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範例:斜面摩擦力與功能定理

質量m的物體沿斜面上滑，初速Vo滑行 L的距離後再滑行原處，其速率減半，則物體與斜面間的動摩擦力為若干?

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Posted in 重力位能.

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By admin – 2009 年 04 月 15 日

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