When an object is moving in a circle at constant speed,its acceleration is
A)constantly increasing.
B)constant in direction.
C)zero.
D)constant in magnitude.
E)constant in both magnitude and direction.

Question

Quizplus · Accepted Answer

The acceleration of an object moving in a circle at constant speed is centripetal acceleration, which is constant in magnitude but always directed towards the center of the circle, thus changing direction as the object moves.

When an Object Is Moving in a Circle at Constant