Two point masses 3kg each separated by a distance of 8cm. The net gravitational field intensity at a point 3cm away on the perpendicular bisector from the line joining the two masses is

Gravitational field strength=E=Gmr2here universal gravitation constant=G; mass=m; distance=r; resolve E into componentsat ‘P’ field due to each of the masses have two componentsE1cos370  will cancel  E2cos370∴  Net gravitational field at point P will be EP=E1sin370+E2sin370convert distance 5cm into meter as r=5×10-2mE1=G×35×10−22 ; E2=G×35×10−22 we observe E1=E2  EP=2×E1sin37      ∵E1=E2 EP=2×G×35×10−22 EP=6×6.67×10−1125×10−4×5 EP=1.6×10−7N/kg