why does air pressure in a car tyre incerease during driving

1.	why does air pressure in a car tyre incerease during driving
Answer» Hey gaurav how to upload images for questions pls tell...<br>During driving, as a result of the friction between the tyre and the road, the temperature of the tyre and the air inside it, increase since volume of the tyre does not change (practically); due to increase in temperature, pressure of the air increases

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