On 19 Mar, 12:45, Bob Cook wrote:

Q) A glider is in circling flight. *The glider circles because there is a
horizontal component of lift. *This horizontal component of lift is
balanced by an equal and opposite force, centrifugal force.

True or False and why?

I hope you're not getting hung up on the old centripetal/centrifugal
debate. Centripetal force is just as real in a stationary axix system
as centrifugal is in a turning one!

By and large (ignoring a few second-order effects) what you wrote is
fine.

Ian