The testing criteria for soccer balls is a strictly controlled area of expertise. For all balls that require the marks FIFA Approved and FIFA Inspected , they must undergo the rigorous testing process at the Swiss Federal laboratories for Materials Science and Technology St. Gallen facility. For the lesser mark the International Match Standard, the test can be performed at one of 7 or so FIFA approved centers.

(more…)

Laws of The Game Law 2 The Ball

Qualities and measurements

The soccer/football is:

•  spherical
•  made of leather or other suitable material
•  of a circumference of not more than 70 cm (28 ins) and not less than 68 cm (27 ins)
•  not more than 450 g (16 oz) and not less than 410 g (14 oz) in weight at the start of the match
•  of a pressure equal to 0.6 – 1.1 atmosphere (600 – 1,100 g/cm2) at sea level (8.5 lbs/sq in – 15.6 lbs/sq in)

(more…)

The beautiful game more art than science? Many would say a mixture of both. Physics plays a vital part of the game whether we know it or not. Most players have learnt the way a ball moves through experience rather than classroom studies. We can, however, show how everything that happens to a ball during a match, is explained by physics.

There are several laws and effects that occur and influence a ball during a game of football.

(more…)