Does the Centripetal Force Acting on an Object Do Work

Multiple Choice

Does the centripetal force acting on an object do work on the object?

A) yes, because the force and the displacement of the object are perpendicular
B) yes, since it takes energy to turn an object
C) yes, since a force acts and the object moves, and work is force times distance
D) no, because the force and the displacement of the object are perpendicular
E) no, because the object has constant speed