Civil Engineering - Theory of Structures - Discussion

Discussion Forum : Theory of Structures - Section 3 (Q.No. 4)
In the truss shown in given figure the force in member DC is
100 t compressive
100 t tensile
Answer: Option
No answer description is available. Let's discuss.
3 comments Page 1 of 1.

Alagarbrindha said:   4 years ago
Take joint C,

Summation of vertical force as zero,

Force in DC * cos 30 = 0.
Hence force in DC = 0.

Sophia said:   9 years ago
How did you come around zero?

Sanyogita said:   9 years ago
First consider joint C then find out forces fbc & fcd by using summation fx & fy then get answer zero.

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