A roller coaster car travels at a constant speed on a track that forms a circular loop in a vertical plane. The car's acceleration is
A) zero.
B) nonzero.

Question

Quizplus · Accepted Answer

The car experiences a nonzero acceleration due to the change in direction of its velocity as it moves along the circular path, even if its speed remains constant. This is an example of centripetal acceleration.

A Roller Coaster Car Travels at a Constant Speed on a Track