Hi,
The centrifugal force is a fictitious force used in non-inertial reference frames. In general, it is given by $$ F_{\text{centrifugal}} = m\textbf{w} \times (\textbf{w}\times\textbf{r}). $$ Here, ## \textbf{w} ## is the angular velocity of the rotating reference frame and ## \textbf{r} ##...