Masses 8, 2, 4, 2 kg are placed at the corners A, B, C, D respectively of a square ABCD of diagonal 80 cm. The distance of centre of mass from A is

Masses 8, 2, 4, 2 kg are placed at the corners A, B, C, D respectively

1.	Masses 8, 2, 4, 2 kg are placed at the corners A, B, C, D respectively of a square ABCD of diagonal 80 cm. The distance of centre of mass from A is
Answer» 20 cm 30 cm 40 cm 60 cm Answer :B