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範例:靜摩擦力

如右圖質量m的物體,靠於鉛直牆上與牆間之靜摩擦係數為μs,今施一水平力F於物體,使物體不滑下,則(A)F=mg(B)mg=μsF (C)牆與物體間之摩擦力為mg (D)牆施於物體之淨力(合力)為 (E)若物體與牆無摩擦,則F無論多大均不能平衡。【成功高中】


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By admin – 2010 年 10 月 05 日

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