A body of mass 60 g experiences a gravitational force of 3.0 N, when placed at a particular point. The magnitude of the gravitational field intensity at that point is :

(1) 20 N / kg

(2) 180 N / kg

(3) 0.05 N / kg

(4) 50 N / kg

(1) 20 N / kg

(2) 180 N / kg

(3) 0.05 N / kg

(4) 50 N / kg