A model train, with a mass of #5 kg#, is moving on a circular track with a radius of #9 m#. If the train's rate of revolution changes from #5 Hz# to #9 Hz#, by how much will the centripetal force applied by the tracks change by?
1 Answer
Jul 3, 2017
The centripetal force changes by
Explanation:
The centripetal force is
The mass is
The radius
The change in angular velocity is
The variation in centripetal force is