問題詳情
31. Two bodies, A and B, collide as shown in Figures I and II below. Which statement is true?
(A) They exert equal and opposite forces on each other in both I and II.
(B) They exert equal and opposite forces on each other in II but not in I.
(C) They exert equal and opposite forces on each other in I but not in II.
(D) The forces are equal and opposite to each other in I, but only the components of the forcesparallel to the velocities are equal in II.
(E) The forces are equal and opposite in I, but only the components of the forces perpendicular tothe velocities are equal in II.
參考答案
答案：A
難度：計算中-1
書單：沒有書單，新增