Question

A solid sphere, a hollow sphere and a ring are released from top of an inclined plane (frictionless) so that they slide down the plane. Then maximum acceleration down the plane is for (no rolling)

(a) solid sphere 

(b) hollow sphere

(c) ring 

(d) all same.

Answer 1

(d) : The bodies slide along inclined plane. They do not roll. Acceleration for each body down the plane = gsinθ. It is the same for each body