The loaded car of a roller coaster has mass M=320 kg. It goes over the top hill with a speed v of 21.4 m/s. The radius of curvature R of the hill is 13.9 m.
(a) What is the force that the track must exert on the car? (positive is up)
N ( ± 20 N)
(b) What must be the force that the car exerts on a 61 kg passenger?

Question

The loaded car of a roller coaster has mass M=320 kg. It goes over the top hill with a speed v of 21.4 m/s. The radius of curvature R of the hill is 13.9 m. 
(a) What is the force that the track must exert on the car? (positive is up)
 N (	± 20 N)
(b) What must be the force that the car exerts on a 61 kg passenger?

anonymous · Answer

$$Force (centripetal) = m\frac{ V ^{2} }{ r }$$