Why do some shoes squeak on some surfaces but not others?
In: Physics
Generally it based on what the floor and the soles are made of, and whether or not water is involved. Some shoes will squeak on terrazzo floor or waxed floors due to the friction grabbing the shoe as it tries to move, similar to how tires on a car squeal when you brake hard, but in a smaller scale.
the squeak is caused by the rubber of your shoe dragging on a surface, and then losing grip and going back into shape. It would normally sound like a dull thud as would any other thing when it hits a big solid surface like the ground. In the case of a squeak it’s often that this cycle happens so fast that it can produce enough thuds to form a sound wave with a pretty well defined frequency. This happens usually when you see wet shoes on slick surfaces because the shoe is no longer able to maintain traction.
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