By Madeline Goodstein, Robert Gardner, Barbara Gardner Conklin
What does physics need to do along with your favourite recreation? Use baseball, basketball, soccer, and different activities to benefit concerning the technological know-how at the back of sports–the Magnus impact, topspin and backspin, heart of gravity, and extra! a lot of those high-interest activities experiments can be utilized to inspire scholars to take part in a technological know-how reasonable venture.
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Extra info for Ace Your Sports Science Project
Glycogen is readily changed to glucose sugar, which is a main energy source for the human body. To see the effects of repeated use of muscles, stand with your right arm raised to shoulder height with your palm turned downward. Have a partner with a stopwatch act as timer. When you hear the timer say “Go,” begin closing and opening your right hand to make as many fists as possible during a twenty-second period. Another partner will count the number of fists you make during the twenty-second interval.
Repeat the entire experiment three times so that all three members of the team serve as a subject. Plot a graph of the number of fists you made in twenty seconds versus the number of the trial. Plot the data for both hands on the same graph. Have each subject plot his or her own data on a separate graph. How can you explain the results as depicted on the graphs? Are the results for both hands the same? If not, can you explain why? Since lactic acid reacts with oxygen, you might expect that increasing the concentration of oxygen in the body would reduce lactic acid levels and help to prevent muscle fatigue.
You can give the ball the same momentum by applying a force twice as big for half as much time. Or you can give the ball the same momentum by applying a force half as big for twice as long. If you tried to stop a car rolling slowly along a level surface, you could not stop the car quickly because you are not strong enough to apply a force big enough to stop the car in a short time. However, if you tied a rope to the car and pulled back against its motion, you could eventually bring it to rest. 1 What Is the Importance of Follow-through?