一物重W,置於傾斜角為37o之斜面,與斜面之靜摩擦係數為1/4,今施以一平行斜面之力F,使物體仍保持靜止,求施力F的範圍。
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一物重W,置於傾斜角為37o之斜面,與斜面之靜摩擦係數為1/4,今施以一平行斜面之力F,使物體仍保持靜止,求施力F的範圍。
Posted in 摩擦力.
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By admin – 2010 年 10 月 06 日
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