A car, driven around a circle with constant speed, must have
A) a tangential acceleration.
B) zero acceleration.
C) zero velocity.
D) a centripetal acceleration.
E) a centrifugal acceleration.

Question

Quizplus · Accepted Answer

A car moving in a circle at constant speed has a centripetal acceleration directed towards the center of the circle, which is necessary to change the direction of the car's velocity.

A Car, Driven Around a Circle with Constant Speed, Must