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Others Like “The Physics of Follow-Through”

Science Fair Project Idea
For this project, you'll use a baseball as a pendulum weight, studying the motion of the ball with and without spin. Wrap a rubber band around the ball, and tie a string to the rubber band. Fasten the string so that the ball hangs down and can swing freely. Mark a regular grid on cardboard, and place it directly beneath the ball to measure the motion. You can also time the oscillations with a stopwatch. Lift the ball along one of the grid axes, and let it go. Observe the motion and record… Read more
Sports_p022
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Time Required Short (2-5 days)
Science Fair Project Idea
How much difference does the spiraling motion of a well-thrown football make on the distance of the throw (compared to wobbling, or end-over-end motion of the ball)? Think of a way to reproducibly produce the desired ball motion and launch it with a constant force to find out. (For more information on the physics, see Gay, 2004.) Read more
Sports_p028
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Time Required Average (6-10 days)
Science Fair Project Idea
When the punter is trying to hit the "coffin corner" (within the opposing team's 10-yard line), out of bounds, what is the best angle to kick the ball for correct distance and maximum "hang time?" (For more information on the physics involved, see: Gay, 2004, Chapters 4 and 5.) Read more
Sports_p027
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Time Required Average (6-10 days)
Science Fair Project Idea
Many sports skills require quick reaction times: think of hitting a 95-mph fastball, returning a 100-mph tennis serve, or blocking a slapshot at the net in hockey. (The Experimental Procedure section below has one way to measure reaction time.) Is your right hand faster than your left? Can you improve your reaction time with practice? Do both hands improve if you only practice with one hand? Try relating your reaction time to real situations in your favorite sport. For example, calculate… Read more
HumBio_p005
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Time Required Average (6-10 days)
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
When the punter is trying to hit the "coffin corner" (within the opposing team's 10-yard line), out of bounds, what is the best angle to kick the ball for correct distance and maximum "hang time?" (For more information on the physics involved, see: Gay, 2004, Chapters 4 and 5.) Read more
Phys_p044
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Time Required Average (6-10 days)
Science Fair Project Idea
Tennis racquets, baseball bats and golf clubs all vibrate when they hit the ball. You can often feel it in your hands, particularly if you "mis-hit" the ball. You can find the point(s) on your racquet, bat or club—called the "sweet spot"—that minimize unwanted vibrations. Low-tech method: hang the racquet or bat straight up and down with a string from its handle. Lightly hold the handle with your thumb and forefinger and have a helper sharply tap the bat, strings or club face… Read more
Sports_p033
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Time Required Average (6-10 days)
Science Fair Project Idea
How high can you throw different types of balls, like a golf ball, a basketball, and a football? Would one of them go higher than the others? Do factors like mass, shape, and volume influence the final height? You can measure the approximate maximum height a thrown ball reaches by measuring the time it spends in the air. To do this project, you'll need at least one ball and a helper with a stopwatch. Your helper should start timing just as you release the ball, and stop right when the ball… Read more
Sports_p035
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Time Required Short (2-5 days)
Science Fair Project Idea
Use a stopwatch to time the pitcher's motion from the start of the windup to the release of the ball. Do this for as many pitchers as you can. Be sure to take several measurements for each pitcher in order to get consistent results. Is there a correlation between windup time and steals against? Useful data: good hard throw: 120 feet per second; fast runner: 30 feet per second; 90 feet between bases. Can you think of ways to control for the ability of the catcher to make a fast, accurate… Read more
Sports_p023
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Time Required Average (6-10 days)
Science Fair Project Idea
Think of hitting a baseball, heading a soccer ball into the net, or hitting a tennis ball with a racquet. Where the ball goes depends on...what? You can set up a simple model to start your investigation. You'll need a marble, a flat piece of wood, a flat piece of cardboard, a pencil, a ruler, a protractor, and a level surface. Lay down the cardboard down on a level surface and set up the flat piece of wood at one edge. The wood will act like a wall, and you're going to roll the marble at… Read more
Sports_p040
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Time Required Long (2-4 weeks)
Science Fair Project Idea
You'll need: a puck, a hockey stick, a tape measure, at least one helper with a stopwatch and an empty rink. Have your friend start the watch just as you make contact with the puck, and stop it when the puck hits the boards. Measure the distance and divide by the time to get the speed of the puck. With two helpers and two stop watches, you can time the puck at center ice and at the far end. Are the speeds the same? How about if you don't follow through, but stop your stick as soon as it… Read more
Sports_p043
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Time Required Very Short (≤ 1 day)
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