A uniform ring of mass M and radius R is placed directly above a uniform sphere
Channel: Doubtnut
Date: 2020-08-30

A uniform ring of mass M and radius R is placed directly above a uniform sphere of mass 8M and of same radius R. The centre of the ring is at a distance of `d = sqrt(3)R` from the centre of the sphere. The gravitational attraction  between the sphere and the ring is