Question

*why are wheels important? how they are able to carry such heavy loads like trains and road rollers? for class 9



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Answer 1

Answer:

Wheels are very important to us. They help us in transportation. 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.

Hope this helps you

Answer 2

Answer:

Wheels are important for transportation .They reduce the pressure in the road and the vehicle moves easily with it.

Also,using large number of wheels ensures that the force due to load is shared among the tyres and no single tyre so under stress.

Hope it helps!

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