ap physics project

ap physics project - Dexter Jensen Period 6 A.P. Physics...

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Dexter Jensen Period 6 A.P. Physics 6-10-2007 The Physics Behind A Curveball The action that determines how a baseball will spin all depends on  what spin is put on it. The reason for all pitches with movement is due  to drag force or air resistance. A curve ball is created by something  called the Magnus Effect, this occurs when the faster flowing air  under the ball creates less pressure, which causes the ball to curve.  The Magnus Effect directly relates to Bernoulli’s Principle, which has  to do with things like lift and such. But the basic principle behind  Bernoulli’s principle is that air flows over both sides of an object in the  same amount of time. So how exactly do pitchers throw the curve balls? They grasp the ball  with the middle and index fingers on or near the stitching, with their  thumb underneath. As they throw the ball, they snap their wrist in a 
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This note was uploaded on 04/02/2008 for the course CHEM 124 taught by Professor Hascall during the Spring '08 term at Cal Poly.

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ap physics project - Dexter Jensen Period 6 A.P. Physics...

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