Good question. First you should understand that not all tires do, many are solid, some have nitrogen instead of air. Automobile tires were once usually solid, but the pneumatic tire (tyre) was a far more comfortable ride, and it was lighter and cheaper.
Chat with our AI personalities
Vehicles ove forward because of friction between the tyres and the road. Friction causes heat so the tyres and the air inside them heat up. A confined gas (air) tries to expand when it is heated. Tyres will expand, when the air inside applies sufficient pressure.
One - which needs to be on the brake pedal! Apart from the car's speed, the stopping distance will depend on the mass of the car, the condition of the brakes, the condition of the tyres - the air pressure and tread, the road condition, the driver's response.
The road, pushing against the tyres.
many uses are there from rings to tyres,discs to plates
Deflate the tyres.