Question

why do the load carry heavy vehicle have the large number of wheel

Answer 1

Each Tyre has a maximum carrying capacity larger tires have a higher rating but with very heavy loads to ease loading, to keep within the maximum height and keep the center of gravity low, smaller tires are used so a lot more are needed to share the weight.

Answer 2

Answer:

We know, Pressure = Force/Area

So, greater the area of contact between two surfaces, lesser will be the pressure. 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:

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