A disc of radius r is removed from the disc of radius R then (a) The minimum shift in centre of mass is zero (b) The maximum shift in centre of mass cannot be greater than (r^(2))/((R+r)) (c ) Centre of mass must lie where mass exists (d) the shift in centre of mass is (r^(2))/((R+r))

A disc of radius r is removed from the disc of radius R then (a) The

1.	A disc of radius r is removed from the disc of radius R then (a) The minimum shift in centre of mass is zero (b) The maximum shift in centre of mass cannot be greater than (r^(2))/((R+r)) (c ) Centre of mass must lie where mass exists (d) the shift in centre of mass is (r^(2))/((R+r))
Answer» only a and B are correct only a and C are correct only a,b and d are correct all are correct Answer :A