When air in a car tire heats up, the pressure inside the tire increases due to the increased kinetic energy of the air molecules colliding with the tire walls more frequently and forcefully.
When the temperature of the air in a car tire increases, the pressure inside the tire also increases. This happens because as the air molecules heat up, they gain kinetic energy, causing them to move faster and collide with the tire walls more frequently and with greater force.
According to the ideal gas law, PV = nRT, where P is pressure, V is volume, n is the number of moles, R is the gas constant, and T is temperature in Kelvin. As temperature increases, if volume is constant, pressure must also increase.
For example, after driving on the freeway and the tires warming up, the increased temperature leads to higher pressure inside the tire.
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