(12) Figure Q12 shows a framework consisting of 3 upward pointing isosceles triangles and 2 downward pointing isosceles triangles. The framework is loaded at joint F with a downward force of 20 kN. The applied force causes a vertical reaction force at A and D. The design of the framework is such that horizontal base of the isosceles triangles form an angle of 30° degrees with the diagonal members. You are asked to find the internal force in member AE in kilo-Newtons to 1 decimal place (using the standard sign convention given in the module formula booklet)? Select the valid option from the list below. E F S 20 kN RAX = ?? KN 30° 30° 30° 30° 30° 30° A H H B D RAV = ?? KN Roy = ?? KN A. The solution to the problem is found to be -20.0 kN. ○ B. The solution to the problem is found to be -10.0 kN. ○ C. The solution to the problem is found to be +11.5 kN. OD. The solution to the problem is found to be +23.1 kN. O E. No Valid Answer
(12) Figure Q12 shows a framework consisting of 3 upward pointing isosceles triangles and 2 downward pointing isosceles triangles. The framework is loaded at joint F with a downward force of 20 kN. The applied force causes a vertical reaction force at A and D. The design of the framework is such that horizontal base of the isosceles triangles form an angle of 30° degrees with the diagonal members. You are asked to find the internal force in member AE in kilo-Newtons to 1 decimal place (using the standard sign convention given in the module formula booklet)? Select the valid option from the list below. E F S 20 kN RAX = ?? KN 30° 30° 30° 30° 30° 30° A H H B D RAV = ?? KN Roy = ?? KN A. The solution to the problem is found to be -20.0 kN. ○ B. The solution to the problem is found to be -10.0 kN. ○ C. The solution to the problem is found to be +11.5 kN. OD. The solution to the problem is found to be +23.1 kN. O E. No Valid Answer
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter5: Three-dimensional Equilibrium
Section: Chapter Questions
Problem 5.39P: The bent rod of negligible weight is supported by the ball-and-socket joint at B and the cables...
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Question
![(12) Figure Q12 shows a framework consisting of 3 upward pointing isosceles triangles and 2 downward pointing isosceles triangles. The
framework is loaded at joint F with a downward force of 20 kN. The applied force causes a vertical reaction force at A and D.
The design of the framework is such that horizontal base of the isosceles triangles form an angle of 30° degrees with the diagonal members.
You are asked to find the internal force in member AE in kilo-Newtons to 1 decimal place (using the standard sign convention given in the
module formula booklet)?
Select the valid option from the list below.
E
F
S
20 kN
RAX = ?? KN
30°
30°
30°
30°
30°
30°
A
H
H
B
D
RAV = ?? KN
Roy = ?? KN
A. The solution to the problem is found to be -20.0 kN.
○ B. The solution to the problem is found to be -10.0 kN.
○ C. The solution to the problem is found to be +11.5 kN.
OD. The solution to the problem is found to be +23.1 kN.
O E. No Valid Answer](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fed795348-8627-4632-88ff-a6ae428889d7%2F093a468f-feb2-4ab3-bd32-f0c330673a33%2Fuhibkr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(12) Figure Q12 shows a framework consisting of 3 upward pointing isosceles triangles and 2 downward pointing isosceles triangles. The
framework is loaded at joint F with a downward force of 20 kN. The applied force causes a vertical reaction force at A and D.
The design of the framework is such that horizontal base of the isosceles triangles form an angle of 30° degrees with the diagonal members.
You are asked to find the internal force in member AE in kilo-Newtons to 1 decimal place (using the standard sign convention given in the
module formula booklet)?
Select the valid option from the list below.
E
F
S
20 kN
RAX = ?? KN
30°
30°
30°
30°
30°
30°
A
H
H
B
D
RAV = ?? KN
Roy = ?? KN
A. The solution to the problem is found to be -20.0 kN.
○ B. The solution to the problem is found to be -10.0 kN.
○ C. The solution to the problem is found to be +11.5 kN.
OD. The solution to the problem is found to be +23.1 kN.
O E. No Valid Answer
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