A uniform sphere with mass 60 kilogram is held with its center at the origin, and a second uniform sphere with mass 80 kilogram is held with its center at the point x = 0, y = 3.0 meter.
Obtain the direction and magnitude of the net gravitational force due to these objects on a third uniform sphere with mass 0.50 kilogram located at the x = 4.0 meter, y = 0?