Which of the following statements is/ are correct?
I. Gravitational potential due to a mass at a point a distance r away is proportional to (r^{2})
II. Gravitational field strength is a vector quantity
III. Gravitational intensity is proportional to the weight of a unit mass.
-
A.
I, II and III -
B.
III only -
C.
II only -
D.
I only