Two point masses and are separated by a distance and exert a gravitational force on…

PHYSICS · Subjective · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

Two point masses

m

and

4m

are separated by a distance

d

and exert a gravitational force

F

on each other. The first mass is changed to

2m

, the second to

m

, and the separation is reduced to

\dfrac{d}{3}

. Calculate the new gravitational force between them in terms of

F