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 Prob. R14-6 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 Prob. R14-6 B

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter10: Virtual Work And Potential Energy

Section: Chapter Questions

Problem 10.57P: Find the stable equilibrium position of the system described in Prob. 10.56 if m = 2.06 kg.

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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 : 0.76.
=
M
Prob. R14-6
B

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