A 1,200kg car has its tyres inflated to a gauge pressure of 180kPa.How large an area for each tyre is in contact with the ground?

Answer 1

Assume 4 tyres and mass evenly distributed.

Then use pressure= force/area

1 Pa = 1 N m^-2

force = mass x acceleration

I would assume that g= 9.8 m s^-2