The gravitational force between two point masses is when they are apart

PHYSICS · Single correct · GCSE · Physics · Forces · Forces

Problem

The gravitational force between two point masses is

20\,\text{N}

when they are

4\,\text{cm}

apart. What will be the force when the separation is increased to

12\,\text{cm}

, all else remaining the same? (a)

6.7\,\text{N}

(b)

2.2\,\text{N}

(c)

60\,\text{N}

(d)

180\,\text{N}