MadSci Network: Physics
Query:

Subject: Why some objects thrown in the air will rotate around one or two axis

Date: Fri May 21 20:19:13 1999
Posted by JM Bergeal
Grade level: nonaligned School: No school entered.
City: Stamford State/Province: CT Country: USA
Area of science: Physics
ID: 927335953.Ph
Message:

Let's assume holding a tennis racket (as an example) by the handle and 
throw it gently in the air so as to catch the handle again after it has 
completed a 360 degree rotation.  If the racket is initially held 
in a vertical plane, its sole rotation axis is the one 
perpendicular to the axis of the racket and parallel to the 
ground.  If on the other hand the racket is held initially flat, 
the racket will also rotate along its longitudinal axis at it is 
thrown in the air.  Why? 


Re: Why some objects thrown in the air will rotate around one or two axis

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