When a train makes a curve,different parts of the wheel rims
A)cover a different distance in the same time.
B)must all expand at the same time.
C)must all contract at the same time.
D)vibrate at different rates.

Question

Quizplus · Accepted Answer

Different parts of the wheel rims cover different distances in the same time when a train makes a curve because the outer part of the wheel has to cover a longer distance compared to the inner part in the same time to compensate for the curved path of the train.

When a Train Makes a Curve,different Parts of the Wheel