The gravitational force on a small particle lying on earths surface is F. If a concentric spherical cavity of radius R/2 is made inside earth, then force on the particle is a F/2 b. F/8 c. 7F/8 d. 17F/8
The gravitational force on a small particle lying on earths surface is F. If a concentric spherical cavity of radius R/2 is made inside earth, then force on the particle is a
F/2 b. F/8 c. 7F/8 d. 17F/8