Concept explainers
A floor truss is loaded as shown. Determine the force members CF, EF, and EG.
Fig. P6.47 and P6.48
The force in the members
Answer to Problem 6.47P
The force in the members
Explanation of Solution
The floor truss is loaded as shown in the figure. The free body diagram of the given arrangement is given by Figure 1.
Figure 1
For the entire truss, the force along the positive
The moment of force in the counter clockwise direction about
Solve for
This implies that
The force in the positive
Substitute
This implies
For the section
The force in the positive
For the section
Conclusion:
Substitute
Substitute
Substitute
Therefore, the force in the members
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Chapter 6 Solutions
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