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The ball is classed as a torpedo shape, basically pointed at both ends. The American football was based on the original design . The size, weight and air pressure used to inflate the ball are governed by the NRL and IRB regulations. The are now a number of manufacturers of Rugby balls the oldest being Gilbert of UK who produced the first balls used in the Rugby School Warwickshire England. They were made of leather outers with pigs bladder inside which was inflated to make the ball. They are now made of a synthetic polymer with a silicone inflatable bladder inside

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11y ago

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And oval ball pointed slightly at both ends (similar to that of American football but larger)

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13y ago
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oval ball

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9y ago
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Q: What kind of ball do they use in the game rugby?
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Continue Learning about Math & Arithmetic

What did they originally use to hit the ball with in ping pong?

Books were used as paddles to hit the ball in Ping Pong with the game originated in the 1880's.


Why are balls round?

There are two reasons for this: * Firstly, a spherical ball will bounce more predictably. Some games use non-spherical balls (such as American Football or rugby) and part of the game is the non-predictability of the bounce. * The other thing is that if you inflate anything it will tend to form a sphere; with a sphere the pressure inside the ball is equal throughout the inside of the ball - this is why when bubbles are blown, the are always spheres. It isn't that a ball is round. It's that we call a round thing a ball (or sphere).


How do you use math in vollyball?

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Which length can you use to measure a rugby field?

You could use meters, or yards or feet.


Why is a ball a sphere?

If the ball was a another shape, it wouldn't roll straight (an equally-weighted sphere is the only shape that can roll predictably). The point is that a spherical ball, sufficiently inflated or filled, produces about the same distribution of forces no matter what its orientation. Which is why many sports (golf, tennis, soccer, baseball, basketball, billiards, bowling) use round balls, so that bouncing, rolling, or hitting them the same way produces consistent rather than unpredictable results. Footballs and rugby balls can take unusual bounces and paths due to their oblong shapes.