(A) : The centre of mass of system of n particles is the weight average of the position vector of the n particles making up the system. (R ) : The position of the centre of mass of a system is independent of co-ordinate system.

(A) : The centre of mass of system of n particles is the weight averag

1.	(A) : The centre of mass of system of n particles is the weight average of the position vector of the n particles making up the system. (R ) : The position of the centre of mass of a system is independent of co-ordinate system.
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 :B