# A model train with a mass of 4 kg is moving along a track at 6 (cm)/s. If the curvature of the track changes from a radius of 32 cm to 48 cm, by how much must the centripetal force applied by the tracks change?

Jul 29, 2017

The answer is $\text{1500 dyn}$.

Jul 29, 2017

Ans:1500dyn.