問題詳情
4 有一旋轉輪，輪中心有一鉛直轉軸。輪旋轉時，由上方觀察，轉輪旋轉方向是逆時鐘。試問，輪的 角動量的方向為何？
(A)鉛直向上
(B)鉛直向下
(C)沿輪圓周的切線方向，且與旋轉方向相反
(D)沿輪圓周的切線方向，且與旋轉方向相同
(A)鉛直向上
(B)鉛直向下
(C)沿輪圓周的切線方向，且與旋轉方向相反
(D)沿輪圓周的切線方向，且與旋轉方向相同
參考答案
無參考答案
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