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2. Tennis racket theorem - Wikipedia

   en.wikipedia.org/wiki/Tennis_racket_theorem

   The tennis racket theorem or intermediate axis theorem, is a kinetic phenomenon of classical mechanics which describes the movement of a rigid body with three distinct principal moments of inertia. It has also dubbed the Dzhanibekov effect , after Soviet cosmonaut Vladimir Dzhanibekov , who noticed one of the theorem's logical consequences ...

3. Tennis - Wikipedia

   en.wikipedia.org/wiki/Tennis

   Tennis is a racket sport that is played either individually against a single opponent ( singles) or between two teams of two players each ( doubles ). Each player uses a tennis racket strung with a cord to strike a hollow rubber ball covered with felt over or around a net and into the opponent's court. The object of the game is to manoeuvre the ...

4. List of racket sports - Wikipedia

   en.wikipedia.org/wiki/List_of_racket_sports

   Racket sports are games in which players use a racket or paddle to hit a ball or other object. [1] Rackets consist of a handled frame with an open hoop that supports a network of tightly stretched strings.

5. Racket (sports equipment) - Wikipedia

   en.wikipedia.org/wiki/Racket_(sports_equipment)

   Racquetball racket and ball. A racket or racquet[ 1] is an item of sporting equipment used to strike a ball or shuttlecock back-and-forth in games such as tennis, badminton, squash, racquetball and padel. The typical basic structure of a racket consists of a widened distal end known as the head (which presents a flattened firm surface designed ...

6. Table tennis racket - Wikipedia

   en.wikipedia.org/wiki/Table_tennis_racket

   A table tennis racket is used by table tennis players. It is usually made from laminated wood covered with rubber on one or two sides depending on the player's grip. Unlike a conventional "racket", it does not include strings strung across an open frame. Though the official ITTF term is "racket", [ 1] the US generally uses the term "paddle ...

7. History of tennis - Wikipedia

   en.wikipedia.org/wiki/History_of_tennis

   History of tennis. The racket sport traditionally named lawn tennis, invented in Edgbaston, Warwickshire, England, now commonly known simply as tennis, is the direct descendant of what is now denoted real tennis or royal tennis, which continues to be played today as a separate sport with more complex rules.