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A steel beam has a weight of 100 kg and is lifted at its left end by a cable passing through a smooth pulley whose position is 2m above the left end of the beam and at a horizontal distance of lm, from the right end of the beam which is 6m long. If the beam is on the point of slipping when it makes an angle of 60° from the horizontal, find the tension of the cable and the coefficient of friction between the beam and the horizontal plane. (Answers: T OE ONL

A steel beam has a weight of 100 kg and is lifted at its left end by a cable passing through a smooth pulley whose position is 2m above the left end of the beam and at a horizontal distance of lm, from the right end of the beam which is 6m long. If the beam is on the point of slipping when it makes an angle of 60° from the horizontal, find the tension of the cable and the coefficient of friction between the beam and the horizontal plane. (Answers: T OE ONL

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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A steel beam has a weight of 100 kg and is lifted at its left end by a cable passing through a smooth pulley whose position is 2m above the left end of the beam and at a horizontal distance of 1m, from the right end of the beam which is 6m long. If the beam is on the point of slipping when it makes an angle of 60° from the horizontal, find the tension of the cable and the coefficient of friction between the beam and the horizontal plane. (Answers: T = 25.87 kg, µ= 0.22) %3D 2m 45° T 3m 100 kg 5.2m 3m 60° A 2m 1m Fig. 4.19
Transcribed Image Text:A steel beam has a weight of 100 kg and is lifted at its left end by a cable passing through a smooth pulley whose position is 2m above the left end of the beam and at a horizontal distance of 1m, from the right end of the beam which is 6m long. If the beam is on the point of slipping when it makes an angle of 60° from the horizontal, find the tension of the cable and the coefficient of friction between the beam and the horizontal plane. (Answers: T = 25.87 kg, µ= 0.22) %3D 2m 45° T 3m 100 kg 5.2m 3m 60° A 2m 1m Fig. 4.19
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