What is the area of contact each tire makes with the road?
The weight of your 1410 kg car is supported equally by its four tires, each inflated to a gauge pressure of 33.0 lb/in^2
What is the area of contact each tire makes with the road?
What gauge pressure(P=lb/in^2) is required to give an area of contact of 107 cm^2 for each tire?
Since this sounds like a homework problem, I’m not going to give you the answer.
Assuming even weight distribution (most cars are front heavy) and neglecting any contribution by the stiffness of the tire itself, the contact patch is equal to the weight on the tire divided by the air pressure.
Remember that weight is not equal to mass, and pay attention to your unit conversions.
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