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