A 700 kg racecar is on a banked curve of radius 250 m, travelling at a speed of

Question

A 700 kg racecar is on a banked curve of radius 250 m, travelling at a speed of 100 mph.

a) Draw a free-body diagram of the racecar viewing the racecar from the front (left) and from above (right.) Ignore friction.









b) Based on your free-body diagram do you think the car could possibly stay on the circular path (the track) without friction? Explain.





c) Find the acceleration (magnitude and direction) of the racecar.




d) Which of the forces you drew has a component in the same direction as the acceleration? Explain.

Explanation / Answer

Acceleration = v^2/r = 7.99 m/s2

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