A car moves on a circular road. It describes equal angles about the centre in equal intervals of time. Which of the following statement about the velocity of the car is true

Options

A. Magnitude of velocity is not constant
B. Both magnitude and direction of velocity change
C. Velocity is directed towards the centre of the circle
D. Magnitude of velocity is constant but direction changes.

Answer

D

Explanation

As body covers equal angles in equal intervals of time, so its angular velocity and hence, magnitude of linear velocity is constant but its direction changes `( :. V = r omega)`.