A tractor and a car each have a weight of 30000N. The total area of the tractor tyres in contact with the road is 0.60m2, while that of the car tyres is 0.15m2.
(a) Calculate the pressure exerted on the road by the tractor.
(b) Calculate the pressure exerted on the road by the car.
(c) Which vehicle is less likely to damage a freshly laid road surface? Give a brief reason.