Four point masses are placed at four corners of a square of side 4 m as shown. Match the following table.

Answer

A, B, C, D

Explanation

A - Q, B - S, C - P, D - R
Apply `X_(CM)=(m_(1)x_(1)+m_(2)x_(2)+.........+m_(n)x_(n))/(m_(1)+m_(2)+..........+m_(n)) and Y_(CM)=(m_(1)y_(1)+m_(2)y_(2)+...........+m_(n)y_(n))/(m_(1)+...........m_(n))`