Homework Help: Physics

Posted by Anonymous on Saturday, December 10, 2011 at 2:18pm.

A 1000kg elevator carries a maximum load of 800kg. A constant frictional force of 5000N retards the elevator's motion upward. What minimum power, in kilowatts, must the motor deliver to lift the fully loaded elevator at a constant speed of 3m/s?

Physics - drwls, Saturday, December 10, 2011 at 4:23pm
(Max. Weight + Friction)* (velocity) = Power

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