Why does the car with a flattened tyre stop sooner than the one with inflated tyres ?

Why carts with rubber tyres are easier to ply, than those with iron tyres?

"Carts with rubber tyres are better than those with iron tyres". Why ?

Sliding friction of flattened tyre is more than unflattened tyre. This is due to

Why does a tyre can be inflated with large volume of air ?

Which inert gas is used for inflating tyres ?

Why is the diameter of an iron tyre kept slightly smaller than the wooden wheel on which this tyre is to be mounted? Explain.

Why are treads made in the surface of tyres ?

The quantity of air necessary to inflate the tyre of motor car in the summer is less than that required in the winter why?

If an inflated tyre bursts, the air escaping out is cooled. Why?