A model train, with a mass of #3 kg#, is moving on a circular track with a radius of #2 m#. If the train's rate of revolution changes from #2/5 Hz# to #3/7 Hz#, by how much will the centripetal force applied by the tracks change by?
1 Answer
Mar 6, 2017
The change in centripetal force is
Explanation:
The centripetal force is
The variation in centripetal force is