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.
What makes bouncy balls bounce?
Store-bought bouncy balls are made of rubber, another material that is made up of polymers. When the bouncy ball is stretched, these polymer chains uncoil and straighten. When released, the chains coil back up again. This makes the material stretchy and bouncy.
Should a soccer ball bounce?
Example 1: Drop your soccer ball from 80 inches and it should bounce back up to between 45 and 65 inches. Example 2: A soccer ball should bounce up about 2/3 of the original height it was dropped from. MOST COMMON METHOD.
What force causes objects to bounce?
Lesson – Bounce (Projectile motion and collisions) Gravity is a force which causes any mass to attract any other mass. On the surface of the Earth, the largest object nearby is the earth itself, and all objects on the Earth’s surface are held onto the Earth by the Earth’s gravitational pull.
How do you make homemade bouncy balls?
Optional: Disposable rubber gloves.
- In a cup mix the warm water and the borax.
- In another cup mix the glue, cornstarch, and food coloring.
- Pour the glue mixture into the water-borax cup.
- The glue mixture will harden after 10 seconds; use a fork to take it out of the water. …
- Roll the mixture in your hands to make a ball.
Do heavier balls bounce higher?
Both balls will fall at a similar speed, but because kinetic energy is proportional to the mass of the object, the heavy ball reaches Earth with more energy. It will not necessarily rebound higher, as it also needs more kinetic energy to reach a specific height again.
What does FIFA stand for?
FIFA — Soccer’s World Governing Body
Founded in 1904 to provide unity among national soccer associations, the Federation Internationale de Football Association (FIFA) boasts 209 members, rivaling that of the United Nations, and is arguably the most prestigious sports organization in the world.
How hard should a soccer ball feel?
Feel the Soccer Ball
The soccer ball should be firm without being super tight. It should have some give, but you should not be able to indent it when you press on it with your hands. Pick the soccer ball up in both hands, and spread your fingers out.
Are professional soccer balls hard?
Yes, the balls are filled to the proper PSI(roughly 11.5–13.5 psi). So they are fairly “hard”, but you get used to them. … A properly filled ball will have an accurate and long flight path.
How many times does a ball bounce?
In an idealized situation with a fixed coefficient of restitution between 0 and 1, a ball bounces an infinite number of times in a finite amount of time and travels a finite abount of total distance, with the frequency of bounces approaching infinity as the time approaches the limit of time based on the initial …
Why doesn’t a ball bounce back to its original height?
This elastic potential energy is why the ball is able to bounce, or rebound. After the ball rebounds, the elastic potential energy is transformed into kinetic energy, but it will never possess as much kinetic energy as during its original fall. The ball will never be able to rebound to its original height.
What is bouncing ball called?
ABSTRACT. The ubiquitous bouncy ball, or “superball,” is an engaging child’s toy that has endured for more than 50 years. … By analyzing videos of the bouncing balls, the students determine the coefficient of restitution and the energy loss—a key concept related to inelastic collisions—for each bounce of a ball.