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Air Pressure

If the boy bl...

Question

If the boy blows air between two balloons, then in which direction will the balloons move?

A

Both balloons will move apart.

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B

Both balloons will move towards each other.

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C

Both balloons will swing to the right.

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D

Both balloons will swing to the left.

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Solution

The correct option is B Both balloons will move towards each other.
As the boy blows air between the balloons, the air pressure between them decreases. Hence, a pressure difference is created which pushes the two balloons towards each other as the air moves from a region of high pressure to a region of low pressure.

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