Question

the tyres of a bus or a truck have larger width than those of a car.why?

Answer 1

The tyres of a bus or a truck have larger width than those of a car as truck and buses are big and heavy transport. Their great weight need to be be spread over a large area. If the tyres would be small , the weight would puncture the tyres as the tyres would not be able to bear the heavy weight of the truck.. 

Answer 2

Becz they have larger wheels as they carry large tonnes of weight large area reduces pressure on it so it has large re so that it culdnot shrunk on roads 
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