Question

A coin is placed on a vinyl stereo record that is making 33 1/3 revolutions per minute on a turntable.
In what direction is the acceleration of the coin?
Find the magnitude of the acceleration when the coin is placed 18 cm from the center of the record.
What force accelerates the coin?

Answer 1

The acceleration of the coin is directed towards the center of the record. The magnitude of the acceleration when the coin is placed 18 cm from the center of the record is approximately 0.0014 m/s2. The force that accelerates the coin is the centripetal force.