1 Four particles A B C and D each of mass m are kept at the

Last updated: 6/1/2023

1 Four particles A B C and D each of mass m are kept at the corners of a square of side L Now the particle D is taken to infinity by an external agent keeping the other particles fixed at their respective positions The work done by the gravitational force acting on the particle D during its movement is m 1 2 A mo Gm L Gm 2 2 1 m B om DLC Gm L Gm 2 2 1 2 2 4