A large Ferris wheel at an amusement park has four seats, located $90$ from each other and at a distance $R$ from the

axis. Each seat is attached to the wheel by a strong axle. As the Ferris wheel rotates with a constant velocity $,$ the

seats move past positions A$,$ B$,$ C$,$ and D as shown. At which position does a seat's axle apply the greatest force to the

seat?

a$)A$

b$)B$

c$)$ C

d$)D$

e$)$ The axles apply the same force to the seat at all four positions