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Official Bowling Ball Size
What are the official maximum dimensions of a soccer ball?
Of a baseball?
Of a basketabll?
Of a bowling ball?
Of a golf ball?
Of a volley ball?
And of a billards ball?
All ball sizes are of regulation size.
soccerball: ball is an air-filled sphere with a circumference of 68–70 cm (or 27–28 inches), a weight of 410–450 g (or 14–16 ounces), inflated to a pressure of 60–110 kPa (or 8.5–15.6 psi), and covered in leather or "other suitable material".[1]
baseball: It is generally approximately 9 inches (22.9 cm) no more than 9¼ inches (23.5 cm) in circumference, and 5 ounces avoirdupois (142 g) in weight
basketball:Basketballs typically range in size from very small promotional items possibly only a few inches in diameter to extra large balls nearly a foot in diameter used in training exercises to increase the skill of players. A standard 29.5 basketball has about 4118 pebbles, with the pebbles being at a diameter of 2.5 millimeters.
bowlingball: Bowling balls come in a wide variety of colors, and are often either a single flat color, a swirl-like design of multiple colors, or a single color with an iridescent look. It is even possible to obtain transparent bowling balls, painted in such a way as to make it appear as though an object is inside. Some objects have included skulls, footballs, and baseballs.
Inside the ball is a core which makes each ball do something different. These cores are dynamically imbalanced to cause the ball to try to stabilize as it is rolling down the lane.[1] This makes the ball roll over a different point on the surface every time it revolves and "flares" or causes multiple oil rings.
Bowling ball cores are constructed with different densities as well. Some are center heavy (low rg) and some cores are made with the weight distributed more towards the cover of the ball (high rg). This matters because the low rg balls will spin more easily than the high rg balls.[2] come in a variety of weights and sizes
golfball: An appendix to the Rules of Golf defines, by the rules of the game, that a golf ball must not weigh more than 45.93 grams (1.620 oz), that its diameter must not be less than 42.67 mm (1.680 in), and that its shape may not differ significantly from a symmetric sphere
volley ball: http://en.wikipedia.org/wiki/Volleyball_%28ball%29
Billards ball: Billiard balls are used in cue sports, such as carom billiards, pool, and snooker. The number, type, diameter, color, and pattern of the balls differ depending upon the specific game being played. Various specific ball properties such as hardness, friction coefficient and resilience are very important to the finer points of gameplay.
Bowling Tips : How to Choose Bowling Balls
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