As per FIFA Laws of the Game, "A flagpost, not less than 1.5 m (5 ft) high, with a non-pointed top and a flag must be placed at each corner."
because thay usaully tun off their energy and end up at the flag
what are Flag post Rules of SOccer
The only official flags associated with soccer are the four corner flags. The Laws of the Game (LOTG), specifically Law 1, do not prescribe a specific size for the cloth on the flags. The corner flag poles must be at least 1.5m (5 ft) tall with a non-pointed top.
The linesmen have a flag each. They use these to indicate, a foul, a throw in, a corner, an offside, a goal kick or a substitution.
When the ball goes out of play off of the defending team, the attacking team is awarded with a corner kick. They can play the ball in short, or send a cross into the box for the forwards to get a header or volley it in. Trust me, I'm a ref.
Yes, you can score on a corner kick in soccer by kicking the ball directly into the goal from the corner of the field.
how do you establish a height around corner
You might prevent a flag from might lowing on a roof by placing the flag in a corner space that is protected. You can also remove the flag when the weather is windy.
The job of a linesman in soccer is to signal with the help of a flag for off sides , corner kicks and also assist the referee in spotting fouls which the referee failed to see . He has to run up and down the side of the pitch to do this.
In soccer, corner kicks are typically taken by a player from the team that did not kick the ball out of bounds.
Blue background with a white saltire (X-shaped cross).A blue flag with a white corner-to-corner cross.To be strictly, heraldically accurate: Azure, a saltire argent.
Any country's National Flag with a small Union Flag on the upper left corner was once a member of the British Empire.