9如圖所示之制動器，鼓輪直徑48cm，轉軸扭矩為24N-m，摩擦係數為0.2，若鼓輪順時針旋轉時，則制動力F為？(長度單位：cm) (A)96N　(B)104N　(C)120N　(D)150N

問題詳情

950.如圖所示之制動器，鼓輪直徑48cm，轉軸扭矩為24N-m，摩擦係數為0.2，若鼓輪順時針旋轉時，則制動力F為？(長度單位：cm) phpNDMrPc
(A)96N　
(B)104N　
(C)120N　
(D)150N。

參考答案

答案：A
難度：適中0.486486
統計：A(72),B(46),C(11),D(3),E(0)

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