Q. Two point masses having mass m and 4m placed at distance r. The gravitational potential at a point, where gravitational field intensity zero is 1 . - 9 G M r 2 . - 2 G M 3 r 3 . - 3 G M r 4 . - 6 G M 5 r Share with your friends Share 17 Sagar answered this see this image.you will get your answer. 43 View Full Answer Muni answered this Two bodies of masses m and 4m are placed at a distance r. The gravitational potential at a point on the line joining them where the gravitational field is zero is -9