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6. 如附圖所示,A 物體的重量等於 10 牛頓,A與水平接觸面間的靜摩擦係數為 0.5,動摩擦係數為 0.3,今有一向右的水平力 F=l 牛頓作用在 A 物體上,若 A 靜止不動,則地面對A 的摩擦
問題詳情
6. 如附圖所示,A 物體的重量等於 10 牛頓,A與水平接觸面間的靜摩擦係數為 0.5,動摩擦係數為 0.3,今有一向右的水平力 F=l 牛頓作用在 A 物體上,若 A 靜止不動,則地面對A 的摩擦力為多少牛頓?
(A)10
(B)5
(C)3
(D)1
(E)0。
參考答案
答案:D
難度:非常困難0
統計:A(0),B(0),C(0),D(0),E(0)
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