HOW A WHEEL CHANGED THE WORLD?

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HUGE WORLD  GOT A CHANGE WITH A SMALL WHEEL

A wheel is a disc or circular shaped mechanical device. Its main purpose is to allow things to roll.  
In other words the wheel spins and objects on the wheel moves more fast easily along the ground. It is one of the example for a SIMPLE MACHINE .
Evidence indicates they were  created to serve as potters wheel around 3500 BC. 
Nowadays the ancient wheel became developed and serving  a lot to us. 

The wheel has changed the world in incredible ways .The biggest thing that the wheel done to us is given us much easier
and faster transportation .
It has brought us the train,car and many more transportation devices. 

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