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Carom balls. Four-ball needs an additional object ball.. In the realm of carom billiards games, three balls are used to play most games on pocketless billiards tables.Carom balls are not numbered, and are 61–61.5 mm (approximately 2 + 13 ⁄ 32 in) in diameter, and a weight ranging between 205 and 220 grams (7.2 and 7.8 oz) with a typical weight of 210 g (7.5 oz). [10]
The ball used for all competitions (men's, women's, and mixed) in the formal halfcourt game of 3x3 combines characteristics of the size 6 and size 7 balls. Its circumference is that of a size 6 ball, but its weight is that of a size 7. [5]
Regulation size and weight for a football is a circumference of 68–70 cm (27–28 in) and a weight of 410–450 g (14–16 oz). The ball is inflated to a pressure of 0.6–1.1 bars (8.7–16.0 psi) at sea level. [20] This is known as "Size 5". Smaller balls, Sizes 1, 3, and 4, are also produced for younger players or as training tools. [20]
Cricket ball specifications [5] Weight Circumference Men, and boys 13 and over: 5.5 to 5.75 oz (156 to 163 g) 8.81 to 9 in (224 to 229 mm) Women, and girls 13 and over: 4.94 to 5.31 oz (140 to 151 g) 8.25 to 8.88 in (210 to 226 mm) Children under 13: 4.69 to 5.06 oz (133 to 143 g) 8.06 to 8.69 in (205 to 221 mm) Younger children
An ounce-force is 1 ⁄ 16 of a pound-force, or about 0.2780139 newtons. It is defined as the force exerted by a mass of one avoirdupois ounce under standard gravity (at the surface of the earth, its weight). The "ounce" in "ounce-force" is equivalent to an avoirdupois ounce; ounce-force is a measurement of force using avoirdupois ounces.
The golf-ball-sized berry, picked on Nov. 13 at a farm run by Costa Group in Corindi, Australia, came in at 20.4 grams, or 0.72 ounces, and measures more than an inch and a half across, about 10 ...
A regulation baseball is 9 to 9.25 inches (229 to 235 mm) in circumference i.e. 2.86 to 2.94 inches (73 to 75 mm) in diameter, with a weight of 5 to 5.25 ounces (0.142 to 0.149 kg). [1] The leather cover is commonly formed from two saddle-shaped pieces stitched together, typically with red-dyed thread. There are 108 stitches on a regulation ...
Adidas Tricolore, the official ball for the 1998 World Cup. Law 2 of the game specifies that the ball is an air-filled sphere with a circumference of 68–70 cm (27–28 in), a weight of 410–450 g (14–16 oz), inflated to a pressure of 0.6 to 1.1 atmospheres (60–111 kPa or 8.7–16.1 psi) "at sea level", and covered in leather or "other suitable material". [7]