# A car of mass $750\;kg$ moves around a circular track of radius $50\;m$ with a speed of $10\;ms^{-1}$. What's the centripetal force on the car?
$\begin{array}{1 1} 21.7\;N \\ 1500\;N \\ 2.79\;N \\3.64\;N \end{array}$