# A model train with a mass of #1 kg# is moving along a track at #24 (cm)/s#. If the curvature of the track changes from a radius of #72 cm# to #150 cm#, by how much must the centripetal force applied by the tracks change?

##### 1 Answer

Feb 28, 2017

The change in centripetal force is

#### Explanation:

The centripetal force is

The variation in centripetal force is