Using the method of sections and cut line aa, calculate the force FCF in member CF of the truss if P = 9 kN. Sign convention is tension positive and compression negative. Be sure to include units in kilo-newtons as part of your answer!

Using the method of sections and cut line aa, calculate the force FCF in member CF of the truss if P = 9 kN. Sign convention is tension positive and compression negative. Be sure to include units in kilo-newtons as part of your answer!

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

Plane and Space Trusses

In civil engineering, a truss is the most important structure that forms the most fundamental member of any building structure and commercial complexes. Trusses are composed of individual members or links that are interconnected by suitable joints, such as rivets, welds, or bolts, and nuts. In trusses, the interconnection leads to the formation of a series of triangles joined together such that all the triangular members behave as a single rigid body. In a simple truss, three members are connected to form a truss member. In trusses, the force always acts at the joints or the interconnection between the individual members.

Question

Using the method of sections and cut line aa,
=
calculate the force FCF in member CF of the truss if P
9 kN. Sign convention is tension positive and
compression negative. Be sure to include units in
kilo-newtons as part of your answer!
H
B
4 m-+
4 m
5 kN
a
4 m
F
P
D
4 m
2 m
4 m
E

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Explain your answer Don't copy!!
WRONG ANSWERS GETS DOWNVOTE
Problem 2: Determine the force in ALL the members of the truss. State if the members are in tension or compression. Show all your work to receive full credit. (Hint: It is not needed to find the reaction forces at C and E if you use the Method of Joints). Note: P1= 1000 lb and P: = 500 lb B C30 45 999 4 ft E 550 D. -4 ft- - 4 ft- 999 299