Multiple choice

Which of the following is not an example to prove that moving air exerts pressure?

a. When one flies a kite, the air is always blowing from the direction in which one's back is facing. b. While riding a bicycle, if the wind is blowing opposite to the direction of bicycle, it is easier to drive. c. While rowing a sail boat, it is always easier to row it in the direction of wind.

  1. Only a

  2. Both a and b

  3. Only b

  4. Both b and c

  5. Only c
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct option as this is not an example to prove that moving air exerts pressure. While riding a bicycle, if the wind is blowing opposite to the direction of bicycle, it is difficult to drive. It is because the moving air from the opposite direction exerts a good amount of pressure.

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