If Pressure is inversely proportional to volume, theoretically, how does a tire burst if you pump too much air in it? If the volume inside the tire is increasing shouldn’t the pressure decrease?

Question

If Pressure is inversely proportional to volume, theoretically, how does a tire burst if you pump too much air in it? If the volume inside the tire is increasing shouldn’t the pressure decrease?

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Answer 1

You’re forgetting an important part of that. In a closed system like a tire, volume can’t increase. So as pressure increases, volume remains the same (ok, slightly increases, but not enough to relieve the overpressure)