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An electric motor is"driving" a machine in a textile factory with a "flat belt". The motor is delivering 1.25 hp at 1725 rpm to the machine and the coefficient of friction between the belt and the 3.5 in diameter steel pulley attached to the motor shaft is μ = 0.25. If the tension in the "tight side" of the flat belt is 54 lb, what is the minimum "angle of wrap" needed to prevent the flat belt from slipping on the motor pulley? Ans. 151.3°

An electric motor is"driving" a machine in a textile factory with a "flat belt". The motor is delivering 1.25 hp at 1725 rpm to the machine and the coefficient of friction between the belt and the 3.5 in diameter steel pulley attached to the motor shaft is μ = 0.25. If the tension in the "tight side" of the flat belt is 54 lb, what is the minimum "angle of wrap" needed to prevent the flat belt from slipping on the motor pulley? Ans. 151.3°

Elements Of Electromagnetics
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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An electric motor is"driving" a machine in a textile factory with a "flat belt". The motor is delivering 1.25 hp at 1725 rpm to the machine and the coefficient of friction between the belt and the 3.5 in diameter steel pulley attached to the motor shaft is μ = 0.25. If the tension in the "tight side" of the flat belt is 54 lb, what is the minimum "angle of wrap" needed to prevent the flat belt from slipping on the motor pulley? Ans. 151.3°
Transcribed Image Text:An electric motor is"driving" a machine in a textile factory with a "flat belt". The motor is delivering 1.25 hp at 1725 rpm to the machine and the coefficient of friction between the belt and the 3.5 in diameter steel pulley attached to the motor shaft is μ = 0.25. If the tension in the "tight side" of the flat belt is 54 lb, what is the minimum "angle of wrap" needed to prevent the flat belt from slipping on the motor pulley? Ans. 151.3°
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