how was the rugby ball originally made
now rubber
The rules of table tennis state that the ball shall be:spherical, with a diameter of 40mm andweigh 2.7g andbe made of celluloid or similar plastics material andbe white or orange, and matt
Yes, of course. The material a tennis ball is made out of is porrus. That is why tennis balls go flat.
fabric
They build the tennis ball around the air, really! Actually, the tennis ball is made in two halves and then heat wielded together to form the finished ball.
A tennis ball has more mass than a styrofoam ball. Tennis balls are typically made of rubber and have a greater density compared to styrofoam, which is a lightweight material.
It was a sphere, same as now. However, originally, tennis balls were filled with sawdust, sand, chalk, or dirt. Then, Louis XI of France declared that all tennis balls be made of good leather and well-stuffed with wool.
dog food
Some special rules made in tennis is that if the ball bounces on your box you will be out.
no, it will burn. it will only explode if it has been made into a "tennis ball bomb" (filled with tips of matches)
There is no evidence of a ball been made from polyurethane. There are polyurethane foam balls, but unfortunately no tennis balls. The process is likely to be the same as a normal tennis ball, the only difference being that the rubber in the ball is replaced by polyurethane.