Question

why do the local carrying heavy vehicles have a large number of wheels
std 8
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Answer 1

Answer:So, the load carrying heavy vehicles have large number of wheels so that the pressure on the road is reduced due to larger contact area. Also, using large number of wheels ensures that the force due to the load is shared among the tyres and no single tyre is under stress.

Explanation:

Answer 2

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why do the local carrying heavy vehicles have a large number of wheels

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So, the load carrying heavy vehicles have large number of wheels so that the pressure on the road is reduced due to larger contact area. Also, using large number of wheels ensures that the force due to the load is shared among the tyres and no single tyre is under stress.