A Roller Coaster,loaded with Passengers,has a Mass of 2 000

Multiple Choice

A roller coaster,loaded with passengers,has a mass of 2 000 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) 4.7E+4 N
B) 2.7E+4 N
C) 2.0E+4 N
D) 7.4E+3 N