Find the potential energy of a system of four particles each of mass 2m kept at the vertices of a square of side x. Also find the potential at the centr of the square.

Four particles each of mass m are placed at the vertices of a square of side l. the potential at the centre of square is

Find the gravitational potential energy of a system of four particles, each of mass m placed at the verticles of a square of side l . Also obtain the gravitaitonal potential at centre of the square.

Find the potential energy of a system of 3 particles kept at the vertices of an equilateral triangle of side r.

Find the potential energy of 4-particles, each of mass 1 kg placed at the four vertices of a square of side length 1 m.

Four particles each of mass m are kept at the four vertices of a square of side 'a' . Find graitational potential energy of this system.

Three particles each of mass m are kept at the vertices of an equilateral triangle of side L . What is the gravitational potential at the centroid of the triangle?

Find the potential energy of a system of eight particles placed at the vertices of a cube of side L. neglect the self energy of the particles.

Four point charges are placed at the corners of a square of side l. Calculate potential at the centre of square.

The gravitational potential energy of a system of three particles of mass m each kept at the vertices of equilateral triangle of side x will be