Two metal spheres have masses and respectively

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

Problem

Two metal spheres have masses

800\,\text{g}

and

1.2\,\text{kg}

respectively. Their centres are

25\,\text{cm}

apart. Calculate the gravitational force between them and express your answer in scientific notation.

G = 6.67\times10^{-11}\,\text{N m}^2\text{/kg}^2