Question

State two experiences that made you think that air exerts pressure​

Answer 1

Answer:

When we blow a balloon, it becomes tight. If we try to fill more air then the balloon will burst after an extent. This happens because the air exerts pressure. When wind blows at a high speed, the fringes of windows and doors of our houses move.

Explanation:

(i) Balloons and balls can be used only when they are inflated with air. When balloon is overfilled with air it bursts due to excessive air pressure.

(ii) Compressed air is used in the brake system or stopping train

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Answer 2

Answer:

I) When we blow a balloon, it becomes tight. If we try to fill more air then the balloon will burst after an extent. This happens because the air exerts pressure.

ii) When wind blows at a high speed, the fringes of windows and doors of our houses move.