Question

A circular-motion addict of mass 70 kg rides a Ferris wheel around in a vertical circle of radius 10 m at a constant speed of 6.5 m/s.
(a) What is the period of the motion?
s

(b) What is the magnitude of the normal force on the addict from the seat when both go through the highest point of the circular path?
N

(c) What is it when both go through the lowest point?
N