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B. 4 in 6 in 8 in 20 in 3 in X The model airplane shown above is supported by a single fixed support at F. The weight of the model can be idealized by 4 Ibs concentrated at point A, and 2 Ibs each concentrated at points B and C. Which of the following is closest to the magnitude of the couple moment reaction at point F that acts parallel to the y-axis? Assume that weight/gravity acts in the negative z direction. a) 8 lb-in O b) O Ib-in O c) 64 lb-in O d) 172 lb-in

B. 4 in 6 in 8 in 20 in 3 in X The model airplane shown above is supported by a single fixed support at F. The weight of the model can be idealized by 4 Ibs concentrated at point A, and 2 Ibs each concentrated at points B and C. Which of the following is closest to the magnitude of the couple moment reaction at point F that acts parallel to the y-axis? Assume that weight/gravity acts in the negative z direction. a) 8 lb-in O b) O Ib-in O c) 64 lb-in O d) 172 lb-in

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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B. F 4 in 6 in 8 in 20 in 3 in The model airplane shown above is supported by a single fixed support at F. The weight of the model can be idealized by 4 Ibs concentrated at point A, and 2 Ibs each concentrated at points B and C. Which of the following is closest to the magnitude of the couple moment reaction at point F that acts parallel to the y-axis? Assume that weight/gravity acts in the negative z direction. a) 8 lb-in b) O Ib-in c) 64 lb·in d) 172 Ib·in
Transcribed Image Text:B. F 4 in 6 in 8 in 20 in 3 in The model airplane shown above is supported by a single fixed support at F. The weight of the model can be idealized by 4 Ibs concentrated at point A, and 2 Ibs each concentrated at points B and C. Which of the following is closest to the magnitude of the couple moment reaction at point F that acts parallel to the y-axis? Assume that weight/gravity acts in the negative z direction. a) 8 lb-in b) O Ib-in c) 64 lb·in d) 172 Ib·in
Expert Solution
Step 1

Given:

  • The concentrated load at point A is FA= 4 lbs,
  • The concentrated load at point B is FB= 2 lbs,
  • The concentrated load at point C is FC=2 lbs.
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