Question

If the strip of paper keep between thumb and forefinger is blown over it, it move uperward or downward why​

Answer 1

Explanation:

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Answer 2

Answer:

When we blow air above the paper strip, low pressure is created above the strip, 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.

Explanation:

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