total contact area = 4 * .217 * .179
= .155 meters^2
total force = gage pressure * area
= 176357*.155 = 27,401 Newtons weight
It might be interesting to also find the mass in kilograms assuming this all happens on earth
27,401/9.81 = 2793 Kg mass (heavy car)
An automobile has four tires, each one inflated to a gauge pressure of 176,357 Pa. Each tire is slightly flattened by its contact witht he ground, so that the area of contact is 21.9 cm by 17.9 cm. What is the weight of the automobile?
1 answer
1 answer