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TOPIC: Re:Mechanical power
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RoadieFF (Moderator)
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Re:Mechanical power 3 Years, 6 Months ago  
When you have a force at a certain distance then we need a momentum to have equilibrium, it's as easy as that. Without torque no equilibrium.
Suppose we have bar with a fixed point. At the free end of the bar there is a force. Action=Reaction but we can't have a reaction force in the free point because there's nothing that can cause a reactionforce so the force will try to press the bar down. With the force being perpendicular on the bar and the bar being indeformable, it will cause a rotation with the radius being the distance from the free point to the fixed point on the bar. Thus the force causes a rotation, thus in the fixed point we need to write a momentum in the opposite direction to have equilibrium.

So in short: The reason for torque is to write equilibrium.
 
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Mechanical power
hajime 2008/07/25 10:16
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vegasdave 2008/07/25 10:28
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Cougar 2008/07/25 14:55
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RoadieFF 2008/07/25 13:16
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Curt 2008/07/25 19:20
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RoadieFF 2008/07/25 19:28
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