11.6 kips Part 1 2.9 Correct 2.2 3.9 kips 5.1' OB RA If the resultant passes through B, the original system must be equivalent to the new sy couple). point B with no accompanying R₂ A 2.2 B 2.2 13.1 kips R₂ x

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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If the resultant of the loads shown passes through point B, determine the equivalent force-couple system at O.
11.6 kips
Part 1
Correct
Rx =
2.9¹
O
Answers:
R₁ =
0
A
-20.8
2.2'
3.9 kips
5.1'
If the resultant passes through B, the original system must be equivalent to the new system shown (a single force passing through
point B with no accompanying couple).
t
OB
2.2¹
R₂
A 2.2¹
B
13.1 kips
Solve for the forces R, and Ry so that the forces in the original system are equal to the forces in this new system.
R
M
kips
x
kips
Transcribed Image Text:If the resultant of the loads shown passes through point B, determine the equivalent force-couple system at O. 11.6 kips Part 1 Correct Rx = 2.9¹ O Answers: R₁ = 0 A -20.8 2.2' 3.9 kips 5.1' If the resultant passes through B, the original system must be equivalent to the new system shown (a single force passing through point B with no accompanying couple). t OB 2.2¹ R₂ A 2.2¹ B 13.1 kips Solve for the forces R, and Ry so that the forces in the original system are equal to the forces in this new system. R M kips x kips
The equivalent force-couple system at O looks like this.
Mo
Answers:
Rx =
R
Solve for the forces Rx and Ry so that the forces in the original system are equal to the forces in this new system.
Ry=
Hint
Part 4
0
R₂
-20.8
B
Answer: Mo = i
kips
kips
Now find Mo (the couple in the new system) so that the moments about point O are the same in both systems.
Attempts: 1 of 3 used
kip-ft.
Transcribed Image Text:The equivalent force-couple system at O looks like this. Mo Answers: Rx = R Solve for the forces Rx and Ry so that the forces in the original system are equal to the forces in this new system. Ry= Hint Part 4 0 R₂ -20.8 B Answer: Mo = i kips kips Now find Mo (the couple in the new system) so that the moments about point O are the same in both systems. Attempts: 1 of 3 used kip-ft.
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