A Roller Coaster,loaded with Passengers,has a Mass of 3000 Kg;the

Multiple Choice

A roller coaster,loaded with passengers,has a mass of 3000 kg;the radius of curvature of the track at the bottom point of the dip is 24 m.If the vehicle has a speed of 18 m/s at this point,what force is exerted on the vehicle by the track? (g = 9.8 m/s²)

A) 2.3 × 10⁴ N
B) 4.7 × 10⁴ N
C) 7.0 × 10⁴ N
D) 1.0 × 10⁴ N