Question

Centre of mass of a system is a unique point which is very helpful in solving the problems related to the motions of rigid bodies. In columns I and II, some statements regarding centre of mass are given. Match the columns

Answer 1

(A)Internal forces may affect the motion of the bodies present in the system but there will be no effect on the motion of center of mass due to internal forces.
A->2,3
(B)COM can be inside as well as outside the individual bodies
B->1,4
(C)KE of a system of block can very even though the motion of centre of mass is no affected. As in SHM.
C->3
(D)Center of mass of a solid cylinder is at its center which is inside it.
D->1