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  • The below figures represent vertical sections of four wings moving horizontally in the air. in which case the force is upward. Option: 1  <

The below figures represent vertical sections of four wings moving horizontally in the air. in which case the force is upward. 

Option: 1

 


Option: 2

 


Option: 3

 


Option: 4

 


Answers (1)

best_answer

When air moves faster the pressure of air decreases so the pressure on the top of the wing is less then the pressure of the bottom wing. The difference in pressure creates the force on the wing which lifts the wing upward.
So the only correct option is (A)

Posted by

Nehul

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