Short-Question

# What stops a ball from bouncing?

## What stops a ball from bouncing?

Gravity pulls the ball toward the ground, slowing the ball down so that each bounce is shorter and shorter, until eventually the ball stops bouncing. If the ball was made of something softer like silly putty, it would just be squashed on the ground and wouldn’t bounce.

### Does a ball lose energy when it bounces?

The total energy is constant between bounces if we neglect air friction. We have the kinetic energy of the ball and the potential energy due to gravity. For example, if a ball bounces 80% of its height on each bounce, then the ball is losing 20% of its energy on each bounce.

What affects bounce efficiency?

The higher the bounce, the more efficient the ball is. Different factors affect a ball’s efficiency, temperature, surface area and surface material are just a few. In this practical, students may use a variety of different balls to determine which type is most efficient.

Does a soccer ball bounce?

Why does a soccer ball 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 Bouncy is a soccer ball?

FIFA’s Laws of the Game contain a passage in Law 2, The Ball, requiring that the ball be spherical and inflated to a pressure equal to 0.6 to 1.1 atmosphere, the equivalent of 8.5 to 15.6 psi at sea level.

### Why does a bouncy ball make a noise?

The reason for this is that the rubber walls deform and change shape more, heating up and making a noise, absorbing more energy, when the ball doesn’t have enough air pressure inside. Stiff balls that do not deform much also can be bouncy on stiff surfaces.

What happens if a basketball doesn’t bounce properly?

If you have a ball that doesn’t bounce properly, the immediate problem is that it will affect your game. The problem we’ll attempt to solve during the course of this experiment, however, deals with air pressure. Air pressure, simply put, is the push that air has against all surfaces that it touches.

Why do tennis balls bounce in the air?

The reason that tennis balls bounce in the first place is because the air on the inside of the ball pushes outwards.

## What happens to the energy of a bouncing ball?

What are the Energy Changes when a Ball Bounces? 1. A falling ball transfers G PE into K E. 2. When the ball hits the ground, its shape changes and the K E is transferred into E PE. 3. As its shape is restored, the E PE changes back into K E. 4. As the bouncing ball gets higher in the air, K E is transferred back into G PE.