問題詳情
6. 作圓周運動的物體，始終受到：
(A)與運動方向相同之力
(B)與運動方向垂直之力
(C)沿切線方向之力
(D)與運動方向相反之力
(A)與運動方向相同之力
(B)與運動方向垂直之力
(C)沿切線方向之力
(D)與運動方向相反之力
參考答案
答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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