An object moving in a circle of radius 'r' with a constant speed 'v' has a constant acceleration towards the center equal to
A)v²⁄r
B)v⁄r
C)v²×r
D)v×r

Question

Quizplus · Accepted Answer

The correct formula for centripetal acceleration, which is the acceleration of an object moving in a circle with constant speed towards the center, is $a = \frac{v^2}{r}$, where $v$ is the velocity of the object and $r$ is the radius of the circle.

An Object Moving in a Circle of Radius 'R' with a Constant