course it does
The more fuzz, the less bounce. The less fuzzy, the higher the bounce.
You could use the hook section of Velcro and tear the fuzz up on one ball and conduct spin and bounce comparisons with a regular ball.
I don't believe there's any correct terminology. I think people know what you mean when you say fuzz.
Water doesn't enter any tennis ball that's in good condition and hasn't been punctured, so in that sense, every undamaged tennis ball is waterproof. But the fuzz on the outside can sure get soaked. I have made a waterproof tennis ball that makes even the fuzz keep dry. It is pure awesome.
They have fuzz on them so the air the ball is traveling through can grip the ball to enhance the spin on the ball. ex. To move it farther (backspin) or to make it drop (topspin) or to make it curve to the side (sidespin). The fuzz also allows the ball to have better interaction with the surface, the air and the racquet. As the ball speed increases the fuzz filaments lay down on the ball and the fuzz drag declines. The tennis ball cover is rough but not like sandpaper. Looking closely at the felt you can see that air flows through those raised fabric filaments - better known as fuzz. So the surface of a tennis ball is a "porous surface." It's more like dealing with the wind blowing through leaves on a tree and just as complicated. The fuzz filaments act like tiny cylinders each having their own drag component. In addition to the skin friction drag from the cover itself, drag is created from the airflow over these fuzz fibers interacting with all the other fibers behind it.
It's a tie between Wilson U.S. Open or Penn. Either is sure to cut down on fuzz. But the Wilson's get worn out easily but are ah-mazing balls when they're alive!
Question: Does the age of a tennis ball affect its bounce? Answer: The age of a tennis ball does not necessarily effect its bounce. A new tennis ball in a pressurized container will remain in a relatively new state and have the same approximate bounce for as long as the pressure inside the container remains constant; this is true whether the tennis balls were made a week ago or a year ago. What will effect the bounce of a tennis ball is prolonged crushing, excessive striking, or anything else which results in a pressure decrease on the inside of the tennis ball. A new can of tennis ball should be squeezed to test the pressure inside the container. An unopened can of tennis ball which is easily squeezed will contain tennis balls with reduced pressure; of course, this will depend upon how long ago the pressure in the container has been reduced. A tennis ball has a fuzzy outer layer. Anything which causes this fuzzy layer to change can effect the bounce of the tennis ball. Normal tennis play causes a thinning of the fuzz on the outer surface of a tennis ball. The fuzzy layer can absorb water, mud, and other foreign materials or substances which act to increase the weight of the ball and effect its bounce. Randy Lynn Rutledge - author of Fix Your Tennis
The fuzz increases the drag of ai over the surface allowing the spin imparted on the ball by the player to translate into motion in the direction of the spin. Hence you can hit a curve ball.
The fuzziness of the ball gets grip from the surface and the felt rubs the surface of the court and thus causes friction. The denser the felt, the more friction and grip. The fuzz helps improve the friction, which makes spin more important in a match. It makes the ball slower, and in turn the rallies will be slower. This is why in most ATP tennis tournaments, the balls are changed every seven to nine games.
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it look like a fuzz ball