Electrical Engineering ⇒ Topic : Relation between Torque and Power

John
 
Relation between Torque and Power Power is the rate at which work is done. The SI unit of power is joule/second or watt. The symbol for watt is W. If T is the torque in newton metres, due to a force acting about an axis of rotation and if n is the speed of rotation in revolutions/second, then Power (P) = torque in newton metres x speed in radians/second i.e. P = T x 2πn Relation between Torque and Power = ωT Watts .........(1) where ω (omega) = angular velocity in radians/second  
 
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