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Q: Why does the air pressure increases when you pump up the tire?
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Does air pressure of a tire decrease as the temperature of the tire increases?

No. The pressure increases with temperature increase


Why does the pressure of an tire increase if the automobile is driven for a while?

The air in the tire is becoming heated due to the tires friction on the road surface. Heated air increases the pressure in the tire


What happens when you pump up a bicycle tire?

Air goes in it the pressure increases and the tire becomes harder. If you keep pumping it'll eventually blow up.


Why does the the air pressure in a tire change after you drive it?

When a tire runs on the road friction makes it hot, then air pressure increases.


Why does a tire get bigger as you pump it up?

Because, the air pressure hitting the tire, and as it hitting we put some air pressure into it so the tire is fully pumped up.


What creates pressure in a bicycle tire?

The pressure increases, and the molecules collide with the tire's inner surface.


What causes the air pressure in a bicycle tire?

Air is put in with a pump or a compressor, either way it becomes pressurised to inflate the tire.


Why air does not come from tire when it is under pumping?

The pressure from the pump is greater than the pressure within the tyre


When you pump air into the tire of a bicycle what is the state of air in the tire?

Because I don't know what your teacher is looking for:At a pressure above atmosphericCompressedConfined


Why does a tire expand as you pump air into it?

because you're putting pressure inside the tire of the required psi recommended


How does tires pumps use air under pressure?

Any tire pump uses compressed air


Why an over inflated tire bursts at high speeds?

At high speed, there is a lot of flexing of the rubber, which causes heat, which heats the air inside the tire, which increases the air pressure. If the pressure was too high to begin with, the increased air pressure can be high enough to cause the tire to burst.