Question

1 point
Q 14. Why does a paper strip
held between two fingers
moves upward on blowing air
over it:
O
Air pressure above the strip
increases
O Air pressure above the strip reduces
Air pressure above the strip does
not exist
Air pressure below the strip
decrease.​

Answer 1

Answer:

Air pressure above the strip reduces as air pressure below the strip increases, and because high speed winds are always accompanied by reduced air pressure. Therefore, because of the higher air pressure below the strip, it is pushed upwards.

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