BA.LIGHHEFIGURE P3–18 Consider the cable system shown in FIGURE P3-18 of the textbook. If:• e = 45°then, what is the magnitude of the horizontal reaction at point 'B'?30 lb104.0 lb57.1 Ib90 lb65.9 lbO lb45 lb80.7 Ib

Answered: Consider the cable system shown in…

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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Question

Consider the cable system shown in FIGURE P3-18 of the textbook. If:
• e = 45°
then, what is the magnitude of the horizontal reaction at point 'B'?
30 lb
104.0 lb
57.1 Ib
90 lb
65.9 lb
O lb
45 lb
80.7 Ib

Expert Solution

Step 1

Draw a diagram for the problem showing the tension forces acting in cables AB and AC and using the given value of $θ$ which is 45^o.

Here, T_AB and T_AC are the tensions in the cables AB and AC respectively. Using the two angles 30^o and 45^o in the triangle ABC the third angle i.e. the angle between cables AB and AC is equal to 105^o as denoted in the diagram.

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