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Showing posts with the label Balls

About Football Sport

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Football shall be spherical and made of leather or other suitable material preferably Polyurethane. Circumference of ball shall not be more than 70 cm (28 in) and not less than 68 cm (27 in). Football shall not weigh more than 450 g (16 oz) and not less than 410 g (14 oz) at the start of the match. Pressure in the ball shall be 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). Always Remember: If the ball bursts or becomes defective during the course of a match, then the match is stopped and shall be restarted by dropping the replacement ball at the place where the original ball became defective, unless play was stopped inside the goal area, in which case the referee drops the replacement ball on the goal area line parallel to the goal line at the point nearest to where the original ball was located when play was stopped. If the ball bursts or becomes defective whilst not in play at a kick-off, goal kick, corner kick, free k...

Basic Introduction Of Cricket Ball

Cricket Ball The Cricket ball is a basic requirement for any game of Cricket to happen. A Cricket ball is made of cork and latex and is covered by leather. This leather is held together by stitching which is called the “Seam”. The ball, when new, shall not weigh less than 5½ ounces/155.9 grams, nor more than 5¾ ounces/163 grams (156 grams is Optimum), and shall measure not less than 813/16 inches/22.4 cms, nor more than 9 inches/22.9 cms in circumference. Based on format of the game, Cricket balls  are made of different colors these days i.e. Red, White, and Pink etc. In Test and First class Cricket matches, Red ball is being used. In One day limited overs matches and T-20 Matches (Day/ Night Matches) a White ball is being used. Recently ICC (International Cricket Council) has allowed the Pink Ball to be used in Day/ Night Test Matches. The shape and dimensions are the same for Red, White & Pink balls. The seam that runs around its circumference can make the ball bounce ...