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Winds, Storms and Cyclones
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09/07/2021 1:48 pm
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State two experiences that made you think that air exerts pressure.
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09/07/2021 1:50 pm
(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 for stopping trains.