Question

Explain why heavy truck is fitted with 6 to 8 tyres?

Answer 1

Answer:

The heavy truck is fitted with 6 to 8 wheels to reduced the pressure exerted by truck on the ground. pressure = force / area. If truck is having only two wheels then area of contact of wheels with the road is less and pressure is more.To reduce the pressure we use 6 to 8 wheels for heavy trucks.

Explanation:

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Answer 2

Answer:

heavy trucks are fitted with 6 to 8 tyres because they increase the point of contact with road and thus decrease the pressure acting on them.