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18 ft 24 ft 10 ft 6ft

18 ft 24 ft 10 ft 6ft

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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The street-lights at A and B are suspended from the two poles as shown. Each light has a weight of 65 lb. Suppose that x = 4.8 ft . Cable AB is horizontal. (Figure 1) Part A Determine the tension in cable BC. Express your answer to three significant figures and include the appropriate units. ? FBC = Value Units Submit Request Answer Figure 1 of 1 Part B Determine the tension in cable AB. Express your answer to three significant figures and include the appropriate units. ? 18 ft Value Units 24 ft FAB = 10 ft Submit Request Answer 6ft
Transcribed Image Text:The street-lights at A and B are suspended from the two poles as shown. Each light has a weight of 65 lb. Suppose that x = 4.8 ft . Cable AB is horizontal. (Figure 1) Part A Determine the tension in cable BC. Express your answer to three significant figures and include the appropriate units. ? FBC = Value Units Submit Request Answer Figure 1 of 1 Part B Determine the tension in cable AB. Express your answer to three significant figures and include the appropriate units. ? 18 ft Value Units 24 ft FAB = 10 ft Submit Request Answer 6ft
Expert Solution
Step 1

Given that,

Weight of each light, W= 65 lb,

Drawing the FBD of the light,

Mechanical Engineering homework question answer, step 1, image 1

The angle θ is,tanθ=24-186tanθ=1θ=tan-11θ=45°

steps

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