Two identical spheres

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

Problem

Two identical spheres, each of mass

2\,\text{kg}

, are kept

0.40\,\text{m}

apart and attract each other with a force

F

. Each sphere is replaced by one of mass

6\,\text{kg}

and the distance between their centres is increased to

0.80\,\text{m}

. Calculate the new gravitational force between the spheres in terms of

F