1. The surface of the inclined plane shown is frictionless. If F = 30 N, what is the magnitude of the force exerted on the 3.0-kg block by the 2.0-kg block?
(A) 18 N
(B) 27 N
(C) 34 N
(D) 51 N
(E) 45 N
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統計: 尚無統計資料
統計: 尚無統計資料