A Roller-Coaster Car at a Gold Coast Theme Park Has

question 4

Multiple Choice

A roller-coaster car at a Gold Coast theme park has a mass of 500 kg when fully loaded with passengers. At the bottom of a circular dip of radius 40 m (as shown in the figure) the car has a speed of 16 m/s. What is the magnitude of the force of the track on the car at the bottom of the dip?

• A)3.2 kN
• B)8.1 kN
• C)4.9 kN
• D)1.7 kN
• E)5.3 kN

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