POWER AND EFFICIENCY
2012-6-8u2002·u20022T − 490.5 = 50 (3) T = 320.3 N EXAMPLE (continued) 3) The power supplied by the motor is the product of the force applied to the cable and the velocity of the cable. P o = F • v = (320.3)(12) = 3844 W P i = P o /e = 3844/0.8 = 4804 W = 4.8 kW The power supplied to the motor is determined using the
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