Part A Learning Goal: To use the method of sections to determine the force in a truss There are no sections that wil alow a single step to solve for the force in CE without knowing the support reactions. Begin by solving for the reaction force at D. Let a positive force act up member, The truss shown in (Eigure 1) with L-1m is subject to the forces P-4 kN and P -5 kN. Use the method of sections to determine the force in member CF. Express your answer with appropriate units to three significant figures. > View Available Hint(a) D, - 4.16 kN Submit Previous Answers Figure 1 of 4 ) x Incorrect; Try Again; 29 attempts remaining Be sure to include the effects of both A and P in the sum of the moments about point A Pi Part B G The free-body diagram of the whole truss can be drawn as shown in (Elace 2. What three members can be cut to give a section that includes the force in CF as one of the exposed internal forces? 21 Check all that apply. * BC CF

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Chapter10: Plate Girders
Section: Chapter Questions
Problem 10.7.9P
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Part A
Learning Goal:
To use the method of sections to determine the force in a truss
member,
There are no sections that wil alow a single step to solve for the force in CE without knowing the
support reactions. Begin by solving for the reaction force at D. Let a positive force act up
The truss shown in (Eigure 1) with L-1m is subject to the
forces P-4 kN and P -5 kN. Use the method of sections to
determine the force in member CF.
Express your answer with approprlate units to three significant figures.
> View Available Hint(a)
D, - 4.16
kN
Submit
Previous Anawers
Figure
1 of 4 >
x Incorrect; Try Again; 29 attempts remaining
Be sure to include the effects of both A and P in the sum of the moments about point A
Pi
Part B
G
The free-body diagram of the whole truss can be drawn as shown in (Eloce 2. What three members
can be cut to give a section that includes the force in CF as one of the exposed internal forces?
21
Check all that apply.
* BC
Transcribed Image Text:Part A Learning Goal: To use the method of sections to determine the force in a truss member, There are no sections that wil alow a single step to solve for the force in CE without knowing the support reactions. Begin by solving for the reaction force at D. Let a positive force act up The truss shown in (Eigure 1) with L-1m is subject to the forces P-4 kN and P -5 kN. Use the method of sections to determine the force in member CF. Express your answer with approprlate units to three significant figures. > View Available Hint(a) D, - 4.16 kN Submit Previous Anawers Figure 1 of 4 > x Incorrect; Try Again; 29 attempts remaining Be sure to include the effects of both A and P in the sum of the moments about point A Pi Part B G The free-body diagram of the whole truss can be drawn as shown in (Eloce 2. What three members can be cut to give a section that includes the force in CF as one of the exposed internal forces? 21 Check all that apply. * BC
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