Ball (association football)
A football is the ball used in the sport of association football. The name of the ball varies according to whether the sport is called "football", "soccer", or "association football". The ball's spherical shape, as well as its size, weight, mass, and material composition, are specified by Law 2 of the Laws of the Game maintained by the International Football Association Board. Additional, more stringent standards are specified by FIFA and other big governing bodies for the balls used in the competitions they sanction.
Adidas Telstar-style ball, with the familiar black and white spherical truncated icosahedron pattern, introduced in 1970
Early football ball (with its leather lace) used in the 1930 FIFA World Cup Final
Leather ball used in the football tournament at the 1936 Summer Olympics
Adidas Torfabrik football used in the Bundesliga in 2011
A ball is a round object with several uses. It is used in ball games, where the play of the game follows the state of the ball as it is hit, kicked or thrown by players. Balls can also be used for simpler activities, such as catch or juggling. Balls made from hard-wearing materials are used in engineering applications to provide very low friction bearings, known as ball bearings. Black-powder weapons use stone and metal balls as projectiles.
Group of balls
Russian leather balls (Russian: мячи), 12th-13th century.
Football from association football (soccer)
Handball