Statement-1: Assuming zero potential at infinity, the gravitational potential at a point can never be positive.
Statement-2: The magnitude of gravitational force between two particles has inverse square dependence on the distance between two particles.

Options

A. Statement-1 is true, statement-2 is true and statement-2 is correct explanation for statement-1.
B. Statement-1 is true, statement-2 is true and statement-2 is NOT the correct explanation for statement-1.
C. Statement-1 is true, statement-2 is false.
D. Statement -1 is false, statement -2 is true.

Answer

B

Explanation

If we move two bodies at infinity w.r.t. each other, and we try to move one to towards other, as gravitation force is always attractive, (never repulsive) work done by gravitation force is always positive, Gravitation P.E=(work done by gravitation force)/this is always +ve if no other force is acting on system and initial velocity is zero or towards each other. Gravitation potential at a point always (-ve)