you inflate the tires of your car to a gauge pressure of 43.0 lb/in2. if your car has a mass of 1600 kg and is supported equally by its four tires, determine the following. (a) contact area between each tire and the road m2 (b) will the contact area increase, decrease, or stay the same when the gauge pressure is decreased? increase decrease stay the same (c) gauge pressure required to give each tire a contact area of 105 cm2 lb/in2



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