What is the net upward force on an airplane wing of area 20.0 sq meters if the s

Question

What is the net upward force on an airplane wing of area 20.0 sq meters if the speed of the air is 300 m/s across the top of the wing and 280 m/s across the bottom of the wing? Show all work please. What is the net upward force on an airplane wing of area 20.0 sq meters if the speed of the air is 300 m/s across the top of the wing and 280 m/s across the bottom of the wing? Show all work please. What is the net upward force on an airplane wing of area 20.0 sq meters if the speed of the air is 300 m/s across the top of the wing and 280 m/s across the bottom of the wing? Show all work please.

Explanation / Answer

Given

v1 = 300 m/s

v2 = 280 m/s

P1 + 0.5v1^2 = P2 + 0.5v2^2

=> P2- P1 = 0.5 *1.25*(300^2- 280^2)

=> P2- P1 = 7250

Upward Force = Pressure difference*Area = 7250 * 20 = 145000 N

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