Question

Why are double tyres provided at the rear end of heavy trucks?

A.Double tyres helps in reducing the friction

B.Double tyres helps in reducing the pressure due to the weight of the truck

C.Double tyres helps the truck on steep turns

D.Double tyres helps in reducing the heat between the road and the wheels​

Answer 1

B.Double tyres helps in reducing the pressure due to the weight of the truck.

Rear wheels of a truck are provided with double tyres because most of the weight of these vehicles is on their rear axle. The double tyres increase area of cross-section and hence decrease pressure.

I am also in class 8,dude.