MadSci Network: Physics

Subject: How do you calculate theoretical maximum angular velocity?

Date: Fri Dec 19 21:18:35 2003
Posted by Bryan
Grade level: undergrad School: No school entered.
City: Wetmore State/Province: KS Country: USA
Area of science: Physics
ID: 1071890315.Ph

 I am trying to figure out how to calculate the theoretical maximum angular 
velocity of a rigid object but I just cant figure it out. I trying to calculate 
Wmax for a cross shaped object rotating about the center point(+) in a 
clockwise direction. It rotates clockwise beacuse I placed 4 equal forces at 90 
deg. angles, one on each end of the cross, creating a clockwise moment. I 
decided that the only way to calculate Wmax would be through conservation of 
energy. The total energy of the rotating object could only of come from the 
total amount of energy available due to the applied forces. (right?) So i used 
two equations to calculate energy. KE rotate = (.5)IW^2 and KE = (Torque)*
(Theta). I have tried everything to try and solve this but I keep drawing a 
blank. I keep finding that Wmax will be infinite which I know is impossible. 
Any help would be greatly apprectiated. Thanks  

Re: How do you calculate theoretical maximum angular velocity?

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