Which one of the following correctly describes how the magnitude of the gravitational…

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

Which one of the following correctly describes how the magnitude of the gravitational force

F

between two point masses varies with the distance

r

between them when their product of masses remains constant? (a)

F\propto r

(b)

F\propto \dfrac{1}{r}

(c)

F\propto \dfrac{1}{r^{2}}

(d)

F\propto r^{2}