Investigating the Effect of Temperature on the Height a Squash Ball Bounce
Aim: To investigate the effect of temperature on the height a squash
ball bounces.
Prediction: I think that the higher the temperature of the squash
ball, the higher the squash ball will bounce. I think that as the
temperature doubles so will the height of the bounce. I think that
they will be directly proportional.
Scientific Knowledge:
If you drop a ball onto a hard floor. It will rebound, but even the bounciest ball will not bounce back to its starting position.
The ball behaves like a spherical spring. When the ball hits the floor it exerts a force on the floor and the floor exerts a force on the ball. This force compresses the ball. The force that the ground exerts on the ball does work on the ball, since it is in the same direction as the displacement. The gravitational potential energy the ball has before it is dropped is converted into kinetic energy while the ball is falling and then into elastic potential energy as the force from the ground does work on the ball. But because the material the ball is made of is not perfectly elastic, friction converts some of the energy into thermal energy.
The elastic potential energy stored in the ball when it has lost all its kinetic energy is converted back into kinetic and gravitational potential energy. However the thermal energy is not converted back.
The ball on the floor acts like a compressed spring. It pushes on the floor with a force proportional to its displacement from its equilibrium shape. The floor pushes back with a force of equal size in the upward direction. This force is greater in size than the weight of the ball. The resultant force is in the upward direction and the ball accelerates upward. When the ball's shape is the shape it has when it is sitting still on the floor, (just slightly squashed), there is no resultant force. When the ball's shape relaxes further, the resultant force is acting downwards. But it already has velocity in the upward direction, so the ball keeps on going upward until its speed has reached zero.
same as it was when the ball was first dropped as there is energy loss
* No energy is lost e.g. sound and heat which would be a result of
The Physics of the Curve Ball Dad said that one of these days I would figure it out, but to this day I am still clueless. I have always been able to throw a decent curve ball; you don’t just throw 6 one hit games in your high school career without one. I have always wondered why and how the ball curves through the air, and it wasn’t until now that I have really had the chance to research a topic that has puzzled me for so long. I would bet that even pitchers in the “Big show” don’t know how or why, but they obviously have the talent and ability. I don’t know when the first curveball was thrown or who threw it, but there is a lot of controversy out there about whether or not the curveball really exists.
Once a paintball gets into the air its flight is much like that of a golf ball. There are a verity of forces that act upon the ball once its in the air. The ball always has the force of gravity acting on it. This causes the paintball to travel in an arc and return to the earth.
Baseball is a fascinating sport that is exceptionally fun to play. This assignment is all about understanding the physics of a few key aspects of this sport. One might ask what physics could have to do with baseball? Like most sports baseball involves physical motion. Baseball encompasses all three planes of motion through throwing, hitting, and fielding. All of the classical laws of mechanics can be applied to understand the physics of this game.
So when you bounce a basketball it comes back up to your hand. But if you don’t touch it the ball will bounce again, this time it wouldn’t bounce as high, why is this? Scientist have studied and found out that the gravitational force of the earth makes the ball lose energy. This makes the ball bounce less and less each bounce. Some scientists say that the ba...
The point of this lab is to analyze data and draw conclusions that will be used to base the selection of optimal combination of the reactants to create the best possibly structured bouncy ball using the materials available at hand. Borax acts as a cross-linker for the polymer molecules in the polyvinyl acetate which makes chains of molecules stay together when you pick them up [2]. The balls will then be tested for durability and quality through a series of tests thought up based on certain conditions needing to be met. Having the balls put through these varying conditions will show how optimal the choice of combination of the reactants used to make the final ball really was [4].
movement of the ball as it hits a hard surface. I will drop the ball 3
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The ball must be held by the hands. The arms or body must not be used for holding it.
This investigation aims to determine the ideal air pressure inside and the ideal material of a ball in order for that ball to achieve its greatest bounce height. This report will be focusing on how the air pressure and material of a soccer ball, basketball and volleyball affects the bounce height of each ball.
We ran into Newtons First Law, which claims that an object resists change in motion, as the marble rolled down the floor it didn’t stop until it was acted against by friction. As we moved on, Newtons Second Law came into play when we were creating our lever as we need a ball that would roll down with enough acceleration that it could knock down the objects. Newton’s second law claims, that F=MA. So, we choose a golf ball since it would have more mass than a rubber ball, but it would have less acceleration when the lever was started. This way, it would knock the upcoming objects. Newtons Third Law claims that every action yields an equal and opposite reaction. This is proven in our Rube Goldberg Machine when the small car was rolling down the tracks as the wheels pushes against the track making the track move backwards. The track provides an equal and opposite direction by pushing the wheels forward.
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