The gravitational field strength at point A

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

Problem

The gravitational field strength at point A, situated a distance

r

from a point mass, is

E

. What will be the field strength at point B that is

3r

from the same mass? (a)

9E

(b)

\dfrac{E}{3}

(c)

\dfrac{E}{9}

(d)

\dfrac{E}{27}