About 560 cm2, or a surface approximately 20 x 28 cm. The area increases when you add more air to the tires. About 560 cm2, or a surface approximately 20 x 28 cm. The area does not depend on the pressure. About 140 cm2, or square about 12 cm on a side. The area does not depend on the pressure. About 140 cm2, or a square about 12 cm on a side. The contact area decreases when you add more air to the tires. About 140 cm2, or a square about 12 cm on a side. The contact area increases when you add more air to the tires. About 560 cm2, or a surface approximately 20 x 28 cm. The area decreases when you add more air to the tires.
A Toyota Prius has a mass of about 1450 kg without passengers. The car's instruction manual says to make the tire pressure 36 lb/in2 evenly on all four tires. In metric units, we measure pressure in pascals (N/m2) instead, so that 36 is actually 2.48 kilopascals. How much of each tire is in contact with the ground? What happens if you over-inflate the tires to give better mileage?
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About 560 cm2, or a surface approximately 20 x 28 cm. The area increases when you add more air to the tires. |
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About 560 cm2, or a surface approximately 20 x 28 cm. The area does not depend on the pressure. |
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About 140 cm2, or square about 12 cm on a side. The area does not depend on the pressure. |
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About 140 cm2, or a square about 12 cm on a side. The contact area decreases when you add more air to the tires. |
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About 140 cm2, or a square about 12 cm on a side. The contact area increases when you add more air to the tires. |
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About 560 cm2, or a surface approximately 20 x 28 cm. The area decreases when you add more air to the tires. |
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