甲乙丙三物體質量均為M,並排置於一平面上,並以一水平力F施於甲物體,如圖所示,設甲丙兩物體與桌面之摩擦可以忽略,而乙物體與桌面之靜摩擦係數為0.7,動摩擦係數為0.6,則下列敘述何者正確?(g為重力加速度) (A)當F=0.5Mg時,甲物體施於乙物體之力為0.5Mg。(B)當F=0.5Mg時,乙物體施於丙物體之力為0.5Mg。(C)當F=3Mg,三物體之加速度均為0.8g (D)當F=3Mg,甲物體施於乙物體之力為2.2Mg (E)當F=3Mg時,乙物體施於丙物體之力為0.8Mg。 [86日大]
範例:摩擦力的動力學(一)動、靜摩擦力 [86日大]
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– 2008 年 12 月 08 日
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