問題詳情

44. Four objects are released from rest at the top of aninclined plane and roll down the plane (see the figure). Ais a solid sphere. B is a hollow sphere, C is a solidcylinder, and D is a hollow cylinder. All of the fourobjects have identical radii and masses. Assume that theobjects roll without slipping. Which one would win therace?


(A) A
(B) B
(C) C
(D) D
(E) AIl arrive at the end of the inclined plane at the same time. 

參考答案

答案：A
難度：計算中-1
書單：沒有書單，新增