14. A solid sphere, spherical shell, solid cylinder and a cylindrical shell all have the same mass m and radius R. If they are all released from rest at the same elevation and roll without slipping, which reaches the bottom of an inclined plane first? ()
(A) Solid sphere
(B) Spherical shell
(C) Solid cylinder
(D) Hoop
(E) All take the same time

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統計: A(17), B(1), C(0), D(1), E(0) #3081254

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題目解析 在這個問題中,我們有四種不同...
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