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Football
Football, the most popular sport in the world, both in the number of
practitioners and the public interest. The game is the national sport number one
in most of the 204 nations. Football is played by two teams, each with 11
players on a rectangular court. International's goal is 100-110 m × 64-75 m. In
the middle of each short side's goals, two vertical posts with a horizontal
crossbar 2.44 meters (eight feet) above ground. The goal is 7.32 meters (24
feet) wide. A net is attached to the posts and crossbar to trap the ball when it
goes to goal. The ball, which are usually of leather or plastic, should weigh
between 410 and 450 grams, with a circumference of 68-70 cm.
All international, official football matches to be played on grass. In the
national struggles can also artificial grass and gravel are used as substrates.
The point is to score more goals than your opponent during the match. Goals can
be scored with all parts of the body except the hands (arms). The goalkeeper is
the only one who can use their hands, but only within its own goal area, which
is 16.5 m from its own goal line. The goalkeeper can (after a rule change in
1992) or use your hands if the ball is kicked to him by a teammate.
A regular senior game lasts for 2 × 45 minutes, with ten to fifteen minute break
effective. In effect tournaments played like extra time if the match is a draw
after full time. Then, penalties or replay be used to determine a winner. The
game encourages a lot of physical contact between players, but there are strict
rules for tackles (taking the ball from the opponent) can be performed. If a
player is shared or illegally impeded by an opponent, free kick awarded to the
team or penalty. Free kick shall be taken from where the infraction occurred.
Penalty can only be awarded in the opponent's goal area and shall always be
marked from a point 11 yards from goal.
Is particularly serious offense, the sinful player ruled out from the rest of
the game or given warning (yellow card). Two warnings in a match is equivalent
to expulsion. The fight is led by a neutral arbitrator, who is supreme in all
decisions. He is assisted by two line men or assistant referees, which runs
along each side line and follow the game on one half each. Linjemennes main
tasks are to alert the judge about the offside, throw-ins and corners. In larger
battles, there is a fourth judge, who has authority over the team manager
benches, arrange a substitute, etc.