Explain why it’s easier to push a car on flat tyres than inflated ones. What happens to the frictional force between the tyres and the road?

A car on flat tyres is easier to push than one with inflated tyres because flat tyres increase the surface area in contact with the road, reducing the pressure and making it easier to overcome static friction. Inflated tyres have less contact area, leading to a higher normal force and increased friction, making the car harder to push.

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