Eli5 why wider tires seemingly improve grip

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I’ve been wondering why sport and race cars use very wide tires for improved grip. Friction is as far as I’m aware a function of a coefficient and pressure. So, with wider tires that pressure should reduce no? Why do fast cars then use wide tires?

In: Physics

7 Answers

Anonymous 0 Comments

It adds surface area. So with a wider tire, more tire is coming in contact with the ground which adds friction/grip which increases the speed and control for the vehicle.

It’s kind of like athletes wearing cleats. It increases how much they can grip the ground which let’s them run faster.

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