Question

Why do bigger vehicles have deeper grooves cut into tyres?

Answer 1

because the weight of the vehicle vehicle is too much so they have a higher pressure on the earth for the pressure we have to make the deep groups cut into tyres when the pressure is high then area will also high
is the area is height in a pressure will remain

Answer 2

Answer:

• It's the grip of the tyre on the road and is caused by the friction between the rubber and asphalt. The rougher the two surfaces, the higher the friction and the better the traction. ... Typically, the deeper the grooves, the better the traction in wet conditions