Concept explainers
The wings of a certain airplane have a total surface area of 100m2 . At a particular speed, the difference in air pressure below and above the wings is 4% of atmospheric pressure. Show that the lift on the air-plane is .
The lift on the air-plane.
Answer to Problem 6TS
The lift on the air-plane is .
Explanation of Solution
Given Info: The total surface area is 100m2 , and the difference in air pressure is 4% of atmospheric pressure.
Write the expression for the force.
Here,
P is the pressure
A is the total surface area
Substitute, 100m2 for A and for P in the above expression to get F .
Conclusion:
Therefore, the lift on the air-plane is .
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