Three particle of mas m each are placed at the three corners of an equlateral triangle of side a. Find the work which should be done on this system to increase the sides of the triangle to 2a.

Three particle of mass m each are placed at the three corners of an equilateral triangle of side a. Find the work which should be done on this system to increase the sides of the triangle to 2a.

Three particle of mass m each are placed at the three corners of an equilateral triangle of side a. Find the work which should be done on this system to increase the sides of the triangle to 2a.

Three particle of mass m each are placed at the three corners of an equilateral triangle of side a. Find the work which should be done on this system to increase the sides of the triangle to 2a.

(a) Three particles of mass m each are placed at the three corners of an equilateral triangle of side a . Find the work which should be done on this system to increases the sides of the triangle to 2a , (b) Find work done in sending m to infinity.

Three particles each of mass m are placed at the three corners of an equilateral triangle of side a. The work done on the system to increase the sides of the triangle to 2a is: