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The 4400 lb load is hoisted by a motor and pulley system as shown. The load star

ID: 2994633 • Letter: T

Question

The 4400 lb load is hoisted by a motor and pulley system as shown. The load starts at 2.25 ft/s and the motor supplies a constant 1500 lb force to the cable raising the elevator 8 ft. The motor has an efficiency of 76%. Determine the final velocity of the elevator and the input power that must be applied to the motor at this instant. Neglect the mass of the pulleys and cables.


PLEASE use ft/s & ft/lb in final answers


I have worked it completely out, just trying to see where i took a wrong turn. Using the Work Energy thm would be greatly appreciated!

Explanation / Answer

plz upload the figure