Sphere Ball

by admin on February 29, 2004

Sphere Ball

Sphere Ball

The Features of Bowling Balls

Bowling is a popular sport among American men. The tools of the trade consist of a ball, shoes, bowling bags and other accessories. What are the characteristics of bowling balls? Can anyone make bowling balls in their own backyard or there is more to it?

A bowling ball is obviously a sphere, but the materials used to manufacture that sphere vary. Rubber, plastic, urethane, reactive resin are just some of the materials that can be used or combined to manufacture a bowling ball today.

There are different types of bowling: ten pin, five pin and candle pin. Each of them implies different types of bowling balls. The most widespread form is ten pin, and the bowling ball common for this sport has some different features as opposed to the others.

The regulations specify the weight of the ten pin bowling balls has to be less than 16 pounds or 7.2 kg. The diameter of the balls has to be 8.5 inches or 21.6 cm. As far as the physical aspect goes, the balls may look the same, but each of them may have a different weight.

Five pin bowling balls are manufactured according to other specifications. The weight of these balls needs to be between 3.25 and 3.625 pounds. The diameter is not exact and needs to be anywhere between 4.75 inches (12.1 cm) and 5 inches (12.7 cm).

The candle pin balls are even smaller than these, weighing only 2 pounds 7 ounces or 1.105 kg. Candle pin bowling is considered by many a greater challenge than the other sports because the ball is lighter than the pin, which weighs 2 pounds 8 ounces or 1.134 kg.

The bowling ball’s behavior on the lane is influenced by many factors. The most obvious of these factors is the player’s delivery. A player has many choices to make when launching the ball, but he has to know the roles each factor plays in the outcome.

Once the ball is out of the player’s hands, gravity takes control first. Once the ball reaches the surface of the lane, friction kicks in. The way player lets go of the ball and what forces he applies to it before influence the gyroscopic inertia. All of these factors need to be harmoniously combined to provide the best possible outcome when a player takes his shot: STRIKE.

Bowling balls come in different sizes. For average players that visit a bowling alley once in a while, using the balls found on the premises is common. But for the avid players, for which bowling is part of their lives, owning their own bowling ball is a necessity. Finding the bowling balls suited for your tastes can be difficult, but when you do, you also need to find bowling bags to match.

Bowling bags also come in different sizes, all of them manufactured to match different balls. Surfing the internet is probably the quickest solution you can go for in order to make comparisons and see a lot of interesting models. If you want bowling bags, balls, shoes, special towels and other unique accessories that appeal to your tastes, all at affordable prices, be sure to visit bowlingballsales.com.

About the Author

These are the regulations according to which bowling balls are manufactured. Everyone can own a bowling ball manufactured in accordance with the regulations. Visit the website mentioned afore to pick your balls and the bowling bags that go with them.

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HUGE CRYSTAL BALL Glass Sphere Solar Fortune Teller

Charge on a metal ball (sphere)?

The electric field strength 2.0 cm from a 10-cm-diameter metal ball is 50,000 N/C.

1.) What is the charge (in nC) on the ball?

The charge can be considered at the centre of the sphere.
d = 7 cm = 0.07 m.
E = kQ/d^2 ... where k = 8.988 x 10^9 N m^2 C^-2
Q = (E x d^2)/k = (5 x 10^4 x 0.07^2)/8.988 x 10^9
Q = 2.73 x 10^-8 =27.3 nC

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