Question: (a) If an Indy racer had a flat bottom, it would be highly unstable (like an airplane wing) due to the lift it gets when

(a) If an Indy racer had a flat bottom, it would be highly unstable (like an airplane wing) due to the lift it gets when it moves at a high speed. To increase friction and stability, the bottom has a concave section called the Venturi tunnel (Fig. 9.32).

(a) In terms of Bernoulli€™s equation, explain how this concavity supplies extra downward force to the car in addition to that supplied by the front and rear wings.
(b) What is the purpose of the €œspoiler€ on the back of the racer?

INYSE

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