Question 4 Given, a 50-N load (B) is hoisted by the pulley system and motor M. The motor has an efficiency of 0.76 and exerts a constant force of 30 N on the cable. Neglect the mass of the pulleys and cable. Find the power supplied to the motor when the load has been hoisted 10 m. The block started from rest. (Ans : 494.2 W or 0.622 hp) M B

Question 4 Given, a 50-N load (B) is hoisted by the pulley system and motor M. The motor has an efficiency of 0.76 and exerts a constant force of 30 N on the cable. Neglect the mass of the pulleys and cable. Find the power supplied to the motor when the load has been hoisted 10 m. The block started from rest. (Ans : 494.2 W or 0.622 hp) M B

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

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.48P: Find the smallest distance d for which the hook will remain at rest when acted on by the force P....

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