Calculate the gravitational force between a mass and a mass whose centres are apart.

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

Problem

Calculate the gravitational force between a

10\,\text{kg}

mass and a

15\,\text{kg}

mass whose centres are

0.25\,\text{m}

apart. (a)

4.0\times10^{-8}\,\text{N}

(b)

1.6\times10^{-6}\,\text{N}

(c)

1.6\times10^{-7}\,\text{N}

(d)

2.5\times10^{-7}\,\text{N}