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Project Summary
| Difficulty | 5 |
| Time required | Very Short (a day or less) |
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| * Note: This is an abbreviated project idea, without notes to start your background research or a procedure for how to do the experiment. You can identify abbreviated project ideas by the asterisk at the end of the title. If you want a project idea with full instructions, please pick one without an asterisk. |
Abstract
The rebound rating is the ratio of the height the ball bounces to, divided by the height the ball was dropped from. Since the rebound rating is always less than 1, this implies that not all of the potential energy of the ball held up in the air is converted to the kinetic energy of the bounce when the ball is dropped. But conservation of energy requires that the energy must be the same before and after the ball is dropped? Where does the energy go? Bounce a ball 100 times, then hold it in your hand. In your other hand hold a ball that wasn't bounced. What is the difference? (See: Goodstein, 1999, 22–23.)Bibliography
Goodstein, M., 1999. Sports Science Projects: The Physics of Balls in Motion. Berkeley Heights, NJ: Enslow Publishers.Variations
- For more science project ideas in this area of science, see Sports Science Project Ideas.
Last edit date: 2006-12-26 14:31:46
Career Focus
If you like this project, you might want to think about career opportunities in
Sports Science.
Sports injuries can be painful and debilitating. Athletic trainers help athletes, and other physically active people, avoid such injuries, while also working to improve their strength and conditioning. Should a sports injury occur, athletic trainers help to evaluate the injury, determine the treatment needed, and design a fitness regime to rehabilitate the athlete so he or she is ready to go out and compete again. Learn more about this career: Athletic Trainer.
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