The car’s tire decreases in volume after a long drive due to a change in temperature by friction. What law describes this situation?
Question
The car’s tire decreases in volume after a long drive due to a change in temperature by friction. What law describes this situation?
Solution
The situation described can be explained by Gay-Lussac's Law. This law states that the pressure of a gas is directly proportional to its absolute temperature, provided the volume is kept constant.
Here's a step-by-step explanation:
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When you drive a car, the tires rotate and rub against the road. This creates friction.
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Friction generates heat, which increases the temperature of the air inside the tires.
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According to Gay-Lussac's Law, as the temperature of a gas increases, so does its pressure.
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However, the tire is a sealed container, so the volume cannot increase to accommodate the increased pressure.
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As a result, the increased pressure causes the tire to feel harder or more "inflated," even though the volume has not actually increased.
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After a long drive, when the tires cool down, the pressure decreases again, making the tires feel less inflated.
So, while it may seem like the volume of the tire decreases after a long drive, it's actually the pressure that changes due to the change in temperature.
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