# A model train with a mass of #5 kg# is moving along a track at #16 (cm)/s#. If the curvature of the track changes from a radius of #8 cm# to #28 cm#, by how much must the centripetal force applied by the tracks change?

##### 1 Answer

Apr 6, 2017

The change in centripetal force is

#### Explanation:

The centripetal force is

mass,

speed,

radius,

The variation in centripetal force is