. A 3000 lb elevator is supported by a 14 ft cable that weighs 15 lbs/ft. Find the work required to lift the elevator 12 feet by winding the cable. (Hint: Calculate the work required to pull the rope up, then add the work required for the elevator.)

. A 3000 lb elevator is supported by a 14 ft cable that weighs 15 lbs/ft. Find the work required to lift the elevator 12 feet by winding the cable. (Hint: Calculate the work required to pull the rope up, then add the work required for the elevator.)

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter10: Work, Energy And Machines

Section: Chapter Questions

Problem 8STP

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Question

4. A 3000 lb elevator is supported by a 14 ft cable that weighs 15 lbs/ft. Find
the work required to lift the elevator 12 feet by winding the cable. (Hint:
Calculate the work required to pull the rope up, then add the work required
for the elevator.)

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