If scores are equal, the result is a draw. The officials in a football game are a referee and two linesmen.
History[ edit ] Leather ball used in the football tournament at the Summer Olympics. In the yearthe first specifications for footballs were laid down by the Football Association. Previous to this, footballs were made out of inflated leather, with later leather coverings to help footballs maintain their shapes.
Differences in footballs created since this rule came into effect have been to do with the material used in their creation.
Footballs have gone through a dramatic change over time.
During medieval times balls were normally made from an outer shell of leather filled with cork shavings. However, these two styles of creating footballs made it easy for the ball to puncture and were inadequate for kicking.
It was not until the 19th century that footballs developed into what a football looks like today. Vulcanisation[ edit ] InCharles Goodyear introduced vulcanized rubberwhich dramatically improved the football.
Vulcanisation of rubber also helps the football resist moderate heat and cold. Vulcanisation helped create inflatable bladders that pressurize the outer panel arrangement of the football. Charles Goodyear's innovation increased the bounce ability of the ball and made it easier to kick.
Most balls of this time had tanned leather with eighteen sections stitched together. These were arranged in six panels of three strips each. This problem was most probably due to water absorption of the leather from rain, which caused a considerable increase in weight, causing head or neck injury.
By aroundthis had also been associated with dementia in former players. The basic model considered the ball as being a spherical shell with isotropic material properties. The developed model also utilised isotropic material properties but included an additional stiffer stitching seam region.
Future developments[ edit ] Companies such as UmbroMitreAdidasNikeSelect and Puma are releasing footballs made out of new materials which are intended to provide more accurate flight and more power to be transferred to the football.
Most modern footballs consist of twelve regular pentagonal and twenty regular hexagonal panels positioned in a truncated icosahedron spherical geometry. The ball's panel pairs are stitched along the edge; this procedure can either be performed manually or with a machine.
Records indicate a variety of models being used within individual tournaments and even, on some occasions, individual games. Over time, FIFA took more control over the choice of ball used.
Since Adidas have supplied official match balls for every tournament.Association football is a sport, played between two vetconnexx.com were various attempts to codify the rules of football in England in the midth century.
The present laws date back to where a ruleset was adopted in Rugby, Warwickshire by the newly formed Football Association.. In its country of origin, United Kingdom, it is called vetconnexx.com other countries, such as the United States and.
Read the essential details about the history of football. The first description of a football match in England was written by William FitzStephen in about He records that while visiting London he noticed that "after dinner all the youths of the city goes out into the fields for the very popular game of ball.".
Media in category "Association football balls" The following 59 files are in this category, out of 59 total. English: Association football (commonly known as football or soccer) is a team sport played with a round ball that is kicked. For the sport that is played with a brown oval ball that is thrown, see Category:American football.
However, the Greeks and Romans played football and ball kicking games. The London Football Association developed the first sets of rules in British sailors and settlers brought the game to India, South America and Europe.
Association football, more commonly known as football or soccer, is a team sport played with a spherical ball between two teams of eleven players. It is played by million players in over countries and dependencies, making it the world's most popular vetconnexx.comc: Yes, men's since the Olympics and women's since the Olympics.