# Centripetal force calculation question?

##
A car of mass 900 kg drives around a circle with a centripetal acceleration of 2.1 m/s2. What is the centripetal force acting on the car?

I know centripetal force is Fc=mv^2/r. But this doesn't provide the radius so do I only use f=ma?

A car of mass 900 kg drives around a circle with a centripetal acceleration of 2.1 m/s2. What is the centripetal force acting on the car?

I know centripetal force is Fc=mv^2/r. But this doesn't provide the radius so do I only use f=ma?

##### 1 Answer

Nov 21, 2017

Yes!