R14-6. The 50-lb load is hoisted by the pulley system and motor M. If the motor exerts a constant force of 30 lb on the cable, determine the power that must be supplied to the motor if the load has been hoisted s = 10 ft starting from rest. The motor has an efficiency of e = 0.76. M B

R14-6. The 50-lb load is hoisted by the pulley system and motor M. If the motor exerts a constant force of 30 lb on the cable, determine the power that must be supplied to the motor if the load has been hoisted s = 10 ft starting from rest. The motor has an efficiency of e = 0.76. M B

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

R14-6. The 50-lb load is hoisted by the pulley system and
motor M. If the motor exerts a constant force of 30 lb on the
cable, determine the power that must be supplied to the
motor if the load has been hoisted s = 10 ft starting from
rest. The motor has an efficiency of e ε = 0.76.
M
Prob. R14-6
B

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