Question

In the figure, a central particle of mass is surrounded by a square array of
other particles, separated by either a distance d or a distance d/2 along the
perimeter of the square. What is the magnitude ad direction of the net
gravitational force on the central particle due to the other particles ?
(1) 3 GMP/d?; upwards
(2) 3 GM+/d2; to the left
(3) 3 GM/d; to the right
(4) No force​

Answer 1

no forceeeeeeeeeeeeeeeee