When a tire spins over a wet roadway, pressure at the front of the tire generates a lifting force; i
When a tire spins over a wet roadway, pressure at the front of the tire generates a lifting force; if that lift exceeds the weight of the car, it will start hydroplaning. To prevent this, the grooves of a tire’s tread are designed to redirect the water. (Image credit: tires - S. Warid, others - D. Cabut et al.; research credit: D. Cabut et al.; via Physics World; submitted by Kam-Yung Soh) -- source link
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