NBA rules dictate that basketballs should be inflated to between 7.5 and 8.5 pounds per square inch. If the basketball is inflated below this level, it won’t bounce correctly. If it is inflated above this level, the basketball could be damaged or burst.
How do you know if a basketball is inflated properly?
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.
How hard should you pump a basketball?
NBA recommends that the air pressure in a basketball must be between 7.5 and 8.5psi. You can use this standard measurement as a guide to get the required air pressure for your basketball. A quick way to check if your ball has the proper air pressure is by taking this simple test.
How much should a basketball bounce?
The bottom of the ball should bounce up past the waistline or slightly higher. If the basketball bounces up to the chest it means it is over-inflated, and if does not bounce up to the waistline it means it is under-inflated.
How many pounds should a basketball be?
A fully inflated men’s 29.5 inch basketball weights 22 ounces or about 1.375 pounds. A fully inflated woman’s 29.5 inch basketball weights 22 ounces or about 1.375 pounds. Click HERE to learn more about the weight of basketballs.
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.
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.
Do basketballs explode?
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.
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.
Can you pump a ball at a gas station?
Many gas stations have air pumps that you can use to fill up your deflating tires. But, if you have a pump needle or straw/stirrer with you, you can also use these powerful pumps to inflate your ball… or rather balls. You can try and fill as many as you can before your time runs out.
Can you pop a basketball?
A gator or a crocodile could pop a basketball. Originally Posted by UrinalCake: 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.
How many cc is a basketball?
How big is 7,104.21672870 cubic centimeters? A NBA official ball, manufactured by Spalding, is a Size 7 ball and measures about 7,104.2167287 cu. cm. The surface of these balls have 4,118 pebbles with a diameter of 2.5 mm each.
How heavy is a basketball?
The weight of the ball shall not be less than 20 ounces nor more than 22 ounces. Giving the official regulation range of an NCAA men’s basketball [20oz – 22oz] or [510g – 624g]. The manufacturer of the official game ball for NCAA men’s basketball is Wilson.
How do basketballs bounce?
Basketballs bounce because of the pressurized air inside of them, gravity and Newton’s Laws of Motion. When you dribble a basketball, your hand and gravity both push the ball towards the ground (Law #1). … The energy in the compressed air is transferred back to the ball pushing it back into motion.
How do you get air out of a basketball?
How to Deflate a Basketball without an Air Pressure Gauge
- Step 1: Check the pressure in your ball. …
- Step 2: Moisten the inflation needle. …
- Step 3: Insert the needle into the air valve. …
- Step 4: Let the air escape. …
- Step 5: Remove the needle. …
- Step 6: Check the air pressure again.