A tire pressure gauge reads 30 psi when the atmospheric pressure is 14 psi.The net force on 2 square inches of the tire is
A)28 lbs.
B)32 lbs.
C)60 lbs.
D)88 lbs.
E)none of these.

Question

Quizplus · Accepted Answer

The gauge pressure is 30 psi, meaning the pressure inside the tire is 30 psi above atmospheric pressure. The net force is calculated by multiplying the gauge pressure by the area: 30 psi * 2 square inches = 60 lbs.

A Tire Pressure Gauge Reads 30 Psi When the Atmospheric