Answer to Question #320232 in Molecular Physics | Thermodynamics for norman

Question

A car tire makes contact with the ground on a rectangular area of 12 cm by 18 cm. If the car’s mass is 925 kg, what pressure does the car exert on the ground as it rests on all four tires?

Answer 1

$p=\frac FS=\frac{mg}{4ab}=105~kPa.$