Mechanics > Kinematics > Motion in 2-D > Circular Motion

DCS# 1D55.15

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BALL ON A STRING

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APPARATUS

tennis ball on a string

202-14-E4

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DESCRIPTION

Swing the ball overhead in a horizontal circle.  Specify where the ball will be when you let go of the string.  Have students predict the direction the ball will travel once it is released.  Release the ball.