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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.

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10y ago
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16y ago

Its more of a fuzz then hair. Its so the strings can grip the ball, giving it spin.

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16y ago

its called fuzz if you play with it a lot it will show up

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10y ago

A tennis ball is fuzzy because the fuzz from the ball actually decreases the ball's speed while in flight. The fuzz also prevents the ball from bouncing too high.

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15y ago

It's obviously fuzzy from constant hard-hitting of the ball.

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12y ago

Tennis balls tend to shed off on to courts.

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12y ago

wont slide on rachet

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13y ago

because Brazilian waxing hurts too much

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13y ago

Small denier nylon filament

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Q: Why does a tennis ball have fuzz?
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Related questions

Does fuzz on a tennis ball effect how it bounces?

course it does


How would you conduct an experiment on tennis ball fuzz?

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.


What is the fuzz on a tennis ball called?

I don't believe there's any correct terminology. I think people know what you mean when you say fuzz.


Is a lacrosse ball waterproof?

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.


What effect does the nap felt-yellow fuzz have on how high a tennis ball will bounce?

The more fuzz, the less bounce. The less fuzzy, the higher the bounce.


Which brand of tennis ball has the least amount of fuzz on their tennis balls?

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!


Why is a tennis ball furry?

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.


How does the fuzziness of tennis ball affect the friction of the tennis 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.


How do you say fuzz ball in Japanese?

Fazubōru


Which ball can bounce the highest a basketballbaseballor a tennis ball?

a tennis ball


What ball do you uses when you play tennis?

A tennis ball.


What ball is needed to play tennis?

A tennis ball.