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

question 19

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

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