why does the tyre of a bicycle become very hard when its tube is filled with air?
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Answer:When you halve the volume of a gas, the pressure doubles. When you fill a tire, you're squeezing more air into a set volume of space. Since the air cannot expand outward, its pressure increases, pressing the tire tightly against the rim
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Because of the atmospheric pressure of the gas that is filled, it makes the tyre of a bicycle very hard!
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