Question

why air pressure in a car tyre increase during driving

Answer 1

friction decreases and surface area increases

Answer 2

Hey mate here is your answer
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Air pressure in a car increase because when we drive , the frictional force between the tires and the road increases the temperature of the air inside the tire. so the increase in temperature also increase tire pressure.
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Hope it help's.
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Best of Luck for your studies as well as exams.
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