
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Transcribed Image Text:Determine the external reactions at A and F for the roof truss loaded as shown (positive answers are to the right and up). The vertical
loads represent the effect of the supported roofing materials, while the 450-N force represents a wind load.
450 N
y
250 N
B
/60°
Answers:
490 N
C
60°
30°
Ax= i 389.711
Ay = i
Fy i 940
955
400 N
D
480 N
30°
G
12.5 m
E
30°
N
N
N
200 N
F
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