Statement -1 — If there is no external torque on a body about its centre of mass, then the velocity of the centre of mass remains constant.
Statement -2 — The Linear momentum of an isolated system remains constant.
(A) Statement - 1 is correct (true), Statement - 2 is true and Statement- 2 is correct explanation for Statement - 1
(B) Statement -1 is true, statement -2 is true but statement-2 is not the correct explanation four statement -1.
(C) Statement - 1 is true, statement-2 is false
(D) Statement-2 is false, statement -2 is true