Three particales `P,Q` and `R` are placedd as per given Masses of `P,Q` and `R` are `sqrt3 m sqrt3m` and m respectively The gravitational force on a fourth particle 'S' of mass m is equal to
.

Options

A. `(sqrt3Gm^(2))/(2d^(2))` is ST direction only
B. `(sqrt3Gm^(2))/(2d^(2))` in SQ directon and `(sqrt3Gm^(2))/(2d^(2))` in SU direction
C. `(sqrt3Gm^(2))/(2d^(2))` in SQ direction only
D. `(sqrt3Gm^(2))/(2d^(2))` in SQ direction and `(sqrt3Gm^(2))/(2d^(2))` in ST direction

Answer

C