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Essay

How to throw a curveball

Essay specific features

 

Issue:

Science

 

Written by:

John D

 

Date added:

November 8, 2011

 

Level:

University

 

Grade:

A

 

No of pages / words:

2 / 349

 

Was viewed:

413 times

 

Rating of current essay:

 
Essay content:

A curve ball is created when a ball is spinning. The faster flowing air under the ball creates less pressure, which forces the ball to dive or break. Baseball would be a dull game without drag force because there would be no curves, sliders, or knuckle balls. Twisiting Motion of the wrist to cause a curve ball 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...
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As they throw the ball, they snap their wrist in a turning motion, like turning a door knob, to make the ball spin in the direction of the throw. The stitching on the ball gathers up air as the ball rotates, creating higher air pressure on one side of the ball. The higher velocity difference puts more stress on the air flowing around the bottom of the ball...
displayed 300 characters

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