If the velocity of an object undergoing uniform circular motion is doubled, the centripetal force will
A) remain the same.
B) increase by a factor of 2.
C) increase by a factor of 4.
D) decrease by a factor of 2.

Question

Quizplus · Accepted Answer

The centripetal force required for an object in uniform circular motion is directly proportional to the square of its velocity (F = mv^2/r), so if the velocity is doubled, the force increases by a factor of 4.

If the Velocity of an Object Undergoing Uniform Circular Motion