Which of the following correctly represents the dependence of gravitational field…

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

Problem

Which of the following correctly represents the dependence of gravitational field strength

E

on the distance

r

from an isolated point mass

M

? (a)

E \propto \dfrac{1}{r}

(b)

E \propto r^{0}

(c)

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

(d)

E \propto \dfrac{1}{r^{3}}