2. An object is moving in a circular path. If the centripetal force is suddenly removed, how will the object move?
(A) It will move radially outward.
(B) It will move radially inward.
(C) It will move vertically downward.
(D) It will move in the direction in which its velocity vector point at the instant the centripetal force vanishes.
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統計: 尚無統計資料
統計: 尚無統計資料