Four identical masses .m. are kept at the corners of a square of side ‘a’. Find the gravitational force exerted on a point mass ‘m. kept at the centre of the square.

Four identical masses .m. are kept at the corners of a square of side

1.	Four identical masses .m. are kept at the corners of a square of side ‘a’. Find the gravitational force exerted on a point mass ‘m. kept at the centre of the square.
Answer» SOLUTION :0 NEWTON