Define centripetal force?

Define centripetal and centrifugal forces. Explain with the help of neat diagram, how banking provides the centripetal force necessary for a car to go in circular track. (ignore friction between types and road).

Define centripetal acceleration .

(a) How does a centripetal force differ from a centrifugal force with reference to the direction in which they act? (b) Is centrifugal force the force of reaction of the centripetal force? ( c) compare the magnitudes of centripetal and centrifugal force.

Derive an expression for centripetal force acting on a body moving in a circular path. Is any work done by centripetal force ? Explain.

What is the work done by centripetal force ?

What is the work done by centripetal force?/