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nike magista obra ii acc fg high top soccer cleats


nike magista obra ii acc fg high top soccer cleats black green white



Soccer, or football as it is known in most of the world, is without question the nike magista obra ii world most popular sport. More people are involved with soccer, as players or spectators, than any other sport. However, to ensure a fair match, soccer balls must conform to certain standards.



nike magista obra ii acc fg high top soccer cleats black green white



FIFA, The F Internationale de Football Association, the organization behind the World Cup, soccer highestlevel championship, is responsible for regulating the balls used in the game. Players older than 12 years of age use size 5 balls, while players aged 8 to magista boots for sale 12 years use size 4 balls, according to Soccer Ball World. FIFA regulations state size 5 balls must weigh between 420 g and 450 g, while size 4 balls must weigh between 350 g and 390 g.



nike magista obra ii acc fg high top soccer cleats black green white



A properly weighted ball ensures a fair and enjoyable match. The average kicked speed of a 230 g soccer ball is about 25 meters per second, according to The Physics Factbook. Players accustomed to this speed, and accustomed to adjusting their kick force to account for it,nike high top soccer cleats would not be able to score goals as easily using a lighter or heavier ball.



Multiple factors influence ball weight, which is why FIFA has established regulations governing them. For example, FIFA regulates air pressure, the amount of air pressure balls are allowed to lose during play, and even how much water a ball may absorb during play. Size 4 and 5 balls must be pressurized to 0.8 bar, may not lose more than 20 percent of their air pressure and may absorb no more than 25 percent of their weight in water..



nike magista obra ii acc fg high top soccer cleats black green white

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