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Solved: The street-lights at A and B are suspended from

Engineering Mechanics: Statics | 14th Edition | ISBN: 9780133918922 | Authors: Russell C. Hibbeler ISBN: 9780133918922 126

Solution for problem 3-28 Chapter 3

Engineering Mechanics: Statics | 14th Edition

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Engineering Mechanics: Statics | 14th Edition | ISBN: 9780133918922 | Authors: Russell C. Hibbeler

Engineering Mechanics: Statics | 14th Edition

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Problem 3-28

The street-lights at A and B are suspended from the two poles as shown. If each light has a weight of 50 lb, determine the tension in each of the three supporting cables and the required height h of the pole DE so that cable AB is horizontal. D A h B C E 24 ft 18 ft 6 ft 10 ft 5 ft Prob. 328

Step-by-Step Solution:

Problem 3-28

The street-lights at A and B are suspended from the two poles as shown. If each light has a weight of 50 lb, determine the tension in each of the three supporting cables and the required height h of the pole DE so that cable AB is horizontal.

                                                               Step-by-Step Solution

Step 1 of 2

Use the sum of the forces to solve for all forces in terms of the given angles, then solve for the unknown angle to solve for the height h.

At point B.

Step 2 of 2

Chapter 3, Problem 3-28 is Solved
Textbook: Engineering Mechanics: Statics
Edition: 14
Author: Russell C. Hibbeler
ISBN: 9780133918922

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Solved: The street-lights at A and B are suspended from