# How high should an NBA ball bounce when dropped in inches?

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Drop the ball from the 72 inch mark and the top of the basketball should be between the 49 and 54 inch mark you made. If it bounces higher than 54, it has too much air. If it bounces lower than 49 inches, there is not enough air.

## How high does a basketball bounce when dropped?

According to international basketball rules, a basketball is properly inflated “such that when it is dropped onto the playing surface from a height of about 1.80 m measured from the bottom of the ball, it will rebound to a height, measured to the top of the ball, of not less than about 1.2 m nor more than about 1.4 m” …

## Can you over pump a basketball?

An overinflated ball can be bad as well. It will bounce too high when you dribble, bank too hard off the backboard and bounce passes will go farther than you intend them to go. This is why it is important to have your basketball inflated to the specified pressure or at least near the specified pressure.

## How much force does it take to pop a basketball?

A basketball is 9.23” in diameter, which means the surface area is 4*pi*(9.23/2)^2 = 267.64 square inches. A ball is inflated to about 8 PSI, so it would take 2141 pounds of force to crush a ball.

## Why is my basketball not bouncy?

If the basketball bounces up close to the chest, it means it has too much air. If it does not bounce up to the waist, it means there is not enough air. … Drop the ball from the 72 inch mark and the top of the basketball should be between the 49 and 54 inch mark you made. If it bounces higher than 54, it has too much air.

## How do I know if my basketball is inflated enough?

If you don’t have a pump with a air pressure gauge, you can reasonably judge whether the basketball is properly inflated by this method: Hold the ball in front of your face and drop it… if it bounces up to your belt buckle, then it is properly inflated.

Although rare, a basketball can explode if it is stored at a temperature that is too cold or if it is over-inflated to a considerable level beyond the standard PSI. An exploding basketball can be very dangerous and can cause harm to those nearby.

## What is a Moisten needle?

The purpose of moistening the needle is to prevent the needle from damaging or pushing the valve into the bladder. Saliva is more viscous than water; which is better for being a lubricant.

## Are NBA balls bigger than college?

The official size of the basketball used by the NBA is 29.5 inches in circumference. That’s the same size used throughout men’s college and high school basketball leagues. The WNBA uses a slightly smaller ball, measuring 28.5 inches in circumference. … An NBA basketball must be inflated to a pressure of 7.5 to 8.5 PSI.

## How many psi should a basketball have?

An NBA regulation ball is inflated to between 7.5 and 8.5 psi.

## Can you pump a basketball without a needle?

Method 1: Use a Can of Compressed Air

Best to use for: If you are without a needle and pump, a can of compressed air is probably the quickest and easiest way to fill up your ball. It offers you something very similar to the needle, so getting the air in the ball will be simple.

## Why do basketballs lose air?

Basketballs tend to lose a little air when left unused and through normal use over time. In order to bounce properly, basketballs need the right amount of air pressure. … To get the most out of your basketball it is very important to keep it at its recommended air pressure, and to inflate and deflate it correctly.

## How do you air up a ball without a needle?

Method #1Use Compressed Air to Pump Up Your Ball

Well, with a compressed air canister, you have the perfect solution. The small straw that comes with the canned air will fit inside the ball’s hole perfectly. I’d suggest doing small bursts of air since the can will chill up rather quickly.