# A model train with a mass of #6 kg# is moving along a track at #15 (cm)/s#. If the curvature of the track changes from a radius of #3 cm# to #15 cm#, by how much must the centripetal force applied by the tracks change?

##### 1 Answer

Mar 26, 2017

#### Answer:

The change in centripetal force is

#### Explanation:

The centripetal force is

mass,

speed,

radius,

The variation in centripetal force is