Four particles of masses `1kg`, `2kg`, `3kg` and `4kg` are placed at the four vertices A,B,C and D of a square of side `1m`. Find square of distance of their centre of mass from A.

Four particles of masses 1kg, 2kg, 3kg and 4kg are placed at the four vertices A, B, C and D of a square of side 1m. Find the position of centre of mass of the particles.

Four particles of masses 1kg, 2kg, 3kg and 4kg are placed at the four vertices A, B, C and D of a square of side 1m. Find the position of centre of mass of the particles.

Four particles of masses 1kg, 2kg, 3kg and 4kg are placed at the four vertices A, B, C and D of a square of side 1m. Find the position of centre of mass of the particles. Assume that D is situated at the origin.

Four particles of masses 1 kg, 2 kg, 3 kg and 4 kg are placed at the four vertices A, B, C and D of the square of side 1 m. Find the position of centre of mass of the particles.

Four particles of masses 1 kg, 2kg, 3kg and 4kg are placed the four vertices A,B,C and D , respectively, of a square of side 1m . Find the position of centre of mass of the particles.