Mechanical Engineering Question
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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Expert Solution
problem 2.9
Balancing forces in y direction
TBC*sin =TAB*sin30o
TBC*sin = 3*sin30o
TBC*sin = 1.5 kN equation 1
Resultant of forces in x-direction
TAB*cos30o + TBC*cos = 4.8 kN
3*cos30o + TBC*cos = 4.8 kN
TBC*cos = 1.402 kN equation 2
Taking the ratio of equation 1 with respect to equation 2
Tan = 1.069
thus =46.93o
put the value of in equation 1
TBC*sin(46.93o) = 1.5
TBC = 2.053 kN
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