(A) : When an external force is applied at the centre of mass o a systemof particles then it undergoes translatory motion only.(R ) : The torque of the force acting at c.m, about that c.m. is zero.

(A) : When an external force is applied at the centre of mass o a syst

1.	(A) : When an external force is applied at the centre of mass o a systemof particles then it undergoes translatory motion only.(R ) : The torque of the force acting at c.m, about that c.m. is zero.
Answer» Both (A) and (R ) are true and (R ) is the correct EXPLANATION of (A) Both (A) and (R ) are true and (R ) is not the correct explanation of (A) (A) is true but (R ) is FALSE Both (A) and (R ) are false ANSWER :A