A clown is riding a unicycle. The weight of the clown plus the unicycle is W = 720 N. The area of contact between the tire and the ground is A = 0.0015 m2.
a) Write an expression for the gauge pressure of the tire P, if the tire is inflated just enough to counteract the rider on the unicycle. (Please explain what is the meaning of each term on the expression)
b) Solve for the gauge pressure in the tire P in Pa
