Four bodies each of mass m are placed at the different corners of a square of side a. find the work done on the system to take any one budy to infinity.

Four bodies each of mass m are placed at the different corners of a square of side a. find the work done on the system to take any one body 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:

Four particles of masses m, m, 2m and 2m are placed at the four corners of square of side a. Find the centre of mass of the system.

Four particles each of mass 'm' are placed at the four vertices of a square 'a' .Find net force on any one the particle.

Four particles each of mass 'm' are placed at the four vertices of a square 'a' .Find net force on any one the particle.

Four particle each of mass 1kg are at the four orners of a square of side 1m . The work done to move one of the particles to infinity