When you Google why are f1 tires smooth, the answer is no tread means more surface area, so better grip, but when you Google why do street tires have grooves, the same answer comes up. I’m confused. Also, is this a physics question, engineering or technology? Lol
In: Engineering
Because F1 slicks are only ever used on dry pavement. They have to change tires when it rains.
Your car has to be able to work in the rain and snow without pulling over to change tires.
The tread on a tire is present to provide a channel to displace the rain and snow, allowing the rubber to touch the road instead of floating on the rain and snow (hydroplaning).
Traction is dependent on how much surface area is in contact with the road. Slicks would be better for all cars because they provide the most surface area, but only if we never had rain or snow.
A tire with tread is less grippy than a slick, except on rain or snow, so we compromise by adding tread. As much rubber as we can get, without allowing the tires to float.
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