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Answer: Rank from most to least, the amount of lift on the

Chapter 14, Problem 3R

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QUESTION:

Problem 3R

Rank from most to least, the amount of lift on the following airplane wings:

a. Area 1000 m2 with atmospheric pressure difference of 2.0 N/m2

b. Area 800 m2 with atmospheric pressure difference of 2.4 N/m2

c. Area 600 m2 with atmospheric pressure difference of 3.8 N/m2

Questions & Answers

QUESTION:

Problem 3R

Rank from most to least, the amount of lift on the following airplane wings:

a. Area 1000 m2 with atmospheric pressure difference of 2.0 N/m2

b. Area 800 m2 with atmospheric pressure difference of 2.4 N/m2

c. Area 600 m2 with atmospheric pressure difference of 3.8 N/m2

ANSWER:

Solution

Step 1 of 3

Lift in airplane is generated by every part of the airplane, but most of the lift is given by the wings of the airplane. Lift is the mechanical force produced due to the motion of airplane in air.

The one of the reason for the lift in the airplane is due to pressure difference,

Pressure is nothing but force per unit area,

                                                

Solving for lift(force),

                                                F = P A

Where F is the lift force, P is the difference in pressure and A is the area of the wing.

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