問題詳情
9.有一手動操作的曲柄輪，操作扭力矩為 14 N-m，請問操作該曲柄輪一圈需作的功為何？
(A)44J
(B) 66J
(C) 88J
(D) 99J
(A)44J
(B) 66J
(C) 88J
(D) 99J
參考答案
無參考答案
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