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A force of is needed to lift the hook of a crane at a constant velocity. The crane is then used to lift a load of mass at a constant velocity of . What is the power needed to lift the hook and the load?
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is needed to lift the hook of a crane at a constant velocity. The crane is then used to lift a load of mass 
at a constant velocity of 
. What is the power needed to lift the hook and the load?
