Tennis Ball
In the game of tennis, one of the most important things for the game play is the tennis ball used. Different companies make tennis balls. Tennis balls may also vary from each other in quality. Some tennis balls are hard while others are softer than the other resulting in a high bounce.
A tennis ball is made of a rubber like substance, which covers the inner core of the ball. The fabric covering covers the upper portion of the ball. Inside tennis ball is nothing but the gas, which makes a tennis ball to bounce after hitting any surface. The hollow inside of the tennis ball makes it possible for the tennis ball to bounce. When the ball strike the surface the gas inside the ball acts as a spring, which first decompresses and then due to the pressure built by the gas, ball bounces.
Often the question is asked that what the types of tennis balls are. If we check out there are usually no certain standards or categories defined for the types of tennis ball. Sometimes a few theoretical standards are given but there are no international standard types of tennis balls. The tennis balls are also made according to the court type. There are four speeds in the tennis balls available, which are fast, medium, slow, and high altitude. According to felt there are three types of tennis balls, which are regular duty, extra duty and grass court felt. When we talk about the making of tennis ball there are two types available.
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ITF has defined certain tennis ball specifications for the making of tennis ball. Weight of a tennis ball, tennis ball diameter, stiffness of the ball and material of the ball are the standards defined by the federation. According to the rules a tennis balls weigh must be greater than two ounces. The maximum limit to a tennis balls weigh is 2 and 1/16 ounces. Tennis ball diameter must lie within a range of 2.5 inches to 2.625 inches. For this requirement the tennis ball cross section also lies in a range. The ball must bounce in a range of 53 inches to 58 inches if dropped to a concrete floor from a height of 100 meters. These are all the facts of tennis ball.
For the science interest, in the experiments the tennis ball bomb has been made. Tennis ball bomb has been made for fun and kids enjoy seeing exploding a tennis ball but it can also be very dangerous.
Another interesting fact about the tennis balls is that they can also be used for the sleep apnea treatment. Tennis ball t-shirt sleep apnea is used for the purpose. In tennis ball t shirt sleep apnea the tennis balls are sewn onto the back of the T-shirt, which makes you, fell comfortable while sleeping.
When you go to the market you can see a lot of brands available in the tennis balls and as an amateur player you often get puzzled that which ball you need to buy. Most popular brand in the category of tennis balls is Penn. Penn tennis balls are widely used for the tennis practice games as well as in the international tournaments.
As an amateur player you need to learn about the bounce of the tennis ball and remember the fact that a tennis ball starts losing its stiffness as you open the box of tennis balls. Check the ball during the game. If the stiffness is less that it doesn’t make the ball to bounce in the standard range then replace the ball.