Question

buses and trucks usually have Double Wheels on the rear side give reason for the statement​

Answer 1

Answer:

Buses and Trucks have double wheels on the rear side as the both means of transport carry heavy weight and to balance the extreme weight they have double wheels on the rear side.

Answer 2

Answer: bus and trucks are very heavy. as we know that if surface area is increased the pressure decreases , so to decrease the pressure on road and the tyres the trucks and buses are generally fitted with more than on one tyre on the rear side