Chapter 7 - Circular Motion and Gravitation - Learning Path Questions and Exercises - Conceptual Questions - Page 259: 10

$F=m\frac{v^{2}}{r}=m\frac{\omega^{2}r^{2}}{r}=mr\omega^{2}$, $\omega$ is same. Centripetal force is maximum when r is maximum i.e. at equator. Centripetal force is minimum when r is minimum i.e. at poles.

$F=m\frac{v^{2}}{r}=m\frac{\omega^{2}r^{2}}{r}=mr\omega^{2}$, $\omega$ is same. Centripetal force is maximum when r is maximum i.e. at equator. Centripetal force is minimum when r is minimum i.e. at poles.