Two point masses and are a distance apart and attract each other with force .

PHYSICS · Multi-part · CBSE · Physics · Gravitation · Gravitation

Problem

Two point masses

m_1

and

m_2

are a distance

r

apart and attract each other with force

F

. (i) If each mass is doubled and the separation is reduced to

\dfrac{r}{2}

, determine the new force

F'

between them. (ii) Hence, find the ratio

\dfrac{F'}{F}