Part ALearning Goal:To use the method of sections to determine the force in a trussmember,There are no sections that wil alow a single step to solve for the force in CE without knowing thesupport reactions. Begin by solving for the reaction force at D. Let a positive force act upThe truss shown in (Eigure 1) with L-1m is subject to theforces P-4 kN and P -5 kN. Use the method of sections todetermine the force in member CF.Express your answer with approprlate units to three significant figures.> View Available Hint(a)D, - 4.16kNSubmitPrevious AnawersFigure1 of 4 >x Incorrect; Try Again; 29 attempts remainingBe sure to include the effects of both A and P in the sum of the moments about point APiPart BGThe free-body diagram of the whole truss can be drawn as shown in (Eloce 2. What three memberscan be cut to give a section that includes the force in CF as one of the exposed internal forces?21Check all that apply.* BC

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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

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

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Connections

In steel structures, connections are the members that join two or more steel members. The connections are the most important members of any steel structure, and hence, they are designed more carefully. The majority of the construction cost of steel structures is incurred due to the connections. The design of connections is done as per the recommendations and specifications of the American Institute of Steel Construction (AISC).

Question

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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