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pressure increases with temperature, per the universal gas law

This is true, but a better way of putting it is that temperature is the measure of the average kinetic energy of a substance (in this case particles of a gas) and so as temperature increases, the kinetic energy increases because the two things are directly proportional. As the energy increases, there are more collisions between the gas particles and the inside of the tire, making the pressure increase, which is also why you should check tire pressure before a trip, not during it.

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Why do your bicycle tires look flatter on cold winter days than on hot summer days?

Colder temperatures cause the air inside the tire to contract, leading to decreased tire pressure and a flatter appearance. In warmer temperatures, the air expands, increasing tire pressure and giving the tire a fuller look. It's important to adjust tire pressure accordingly in different weather conditions to ensure optimal performance and safety.


Why is a tire more likely to explode when the truck is driven in hot weather than in cold weather?

Hot weather can increase the internal pressure of a tire due to the expansion of air inside, which can exceed the tire's capacity and lead to an explosion. Additionally, hot roads increase friction, causing tires to heat up even further, making them more vulnerable to bursting. Cold weather, on the other hand, tends to decrease tire pressure, reducing the risk of an explosion.


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As a tire goes round and round heat builds up inside the heat expands the air inside the tire. On a normal day that he can dissipate but as the temperature on the outside increases is more difficult for the heat (energy) to leave the inside of the tire. As the temperature increases the pressure inside the tire also increases. It is that pressure that can cause the tire to explode.


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.


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Why is it advisable not to increase the air pressure in a car tire to full limit when driving on hot day?

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