Two balls, each of radius R, equal mass and density are placed in contact, then the force of gravitation between them is proportional to each of radius `r` equal mass and density are placed in contact then the force of gravitation between them is proportional to Two balls September 20, 2020 Category: Chapter 13 - Fluid Mechanics , MTG NEET Physics , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related