What is the correct PSI for a soccer ball?

FIFA, the international soccer governing body, makes the laws that govern international soccer competition. In its section on rules about “The Ball,” it states that they must be spherical and inflated to a pressure between 8.5 psi and 15.6 psi.

What PSI should a size 4 soccer ball be?

A size 4 football measures between 63.5 and 66cm in circumference and should weigh between 340 and 390g. When pumping up a size 4 football Mitre recommend that they should be inflated to a pressure of 6-8 psi (0.42 – 0.56 bar) for training balls and 7-10 psi (0.49 – 0.70 bar) for match balls.

How does psi affect a soccer ball?

The amount of air or air pressure in a soccer ball effects how far the ball will travel when struck by the same force. The higher air pressure that is put into a soccer ball improves the ball’s rebound off the foot of a player. More energy is transferred to a “stiff” ball in an elastic collision.

What psi is a size 3 soccer ball?

From this you can see that a size 4 soccer ball should have an air pressure of between 8.5 PSI and 11.6 PSI, whilst the range for size 3 decreases even further (between 6 PSI and 8 PSI). Size 1 and 2 soccer balls are so small that an air pressure of below 6 PSI is sufficient to keep them well inflated.

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What size soccer ball do high schoolers use?

Size 5. These balls are 27-28 inches in circumference. Generally, players can start handling this ball around age 12. This is the largest size ball and the size used for high school, college, and professional play.

Why is my soccer ball so hard?

So, why are soccer balls so hard? Soccer balls are hard because of the precise gauge of air pressure in them. … This isn’t the only reason the balls are so hard, and it’s important to know how to properly pump the ball, how they check the air pressure, and how to tell if the ball is properly inflated.

Are soccer balls supposed to bounce?

The force of the soccer ball hitting the hard ground puts an equal force back onto the soccer ball, meaning it bounces back up. This happens because soccer balls are made out of an elastic material which allows them to be squashed or stretched and then return to their original shape.

How do you get air out of a soccer ball without a needle?

Sometimes you are on the football pitch and there is no needle, a pump or a refrigerator to deflate the soccer ball… all you need to have is a paperclip. Just straighten the paperclip to look like a needle and moisten it using saliva or water.

How fast can Ronaldo kick a soccer ball?

Cristiano Ronaldo kicks the ball at an average speed of around 80 MPH. In contrast, David Beckham could kick up a ball to 98 MPH. Professional players spend hours and hours on the soccer training field working on their technique of kicking the ball.

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Does air pressure affect how far a soccer ball goes?

The greater the air pressure in the ball, the farther it will travel when a force is applied.

Why do soccer balls lose air?

Soccer balls lose air pressure over time firstly because the outer material construction is not air-tight, meaning that over a certain duration of time the air will gradually seep out. More so, air leakage occurs due to the presence and nature of the valve opening, which is used to inflate the ball in the first place.