Monday, November 5, 2007

Torque



Today my uncle came over and tried to fix our door handle.  While I was helping him, he asked me to hold one of the screws in place so he could turn it using a screwdriver.  This immediately made me think about the force required to turn the nut.  T=r x F.  This was not the only time this weekend that I thought about torque.  In tennis when you hit the ball, you don't want your racket to unintentionally turn on impact otherwise you will mishit it.  This depends a lot on the torque of the ball on the racket, and vice versa.  

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