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

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