Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 2 (Q.No. 44)
44.
In the truss shown in the given figure, the forces in the members AB and BC will be respectively (plus denotes tension)
zero and zero
- W/cos 60° and + W tan 60°
- W/cos 60° and zero
zero and + W tan 60°
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Saba said:   5 years ago
Give the clear explanation.

Sujatha said:   5 years ago
Take moment about a. You will get the force at b =0.

Then equilibrium equationn at c.

It will give you a member force.

Devprakash said:   4 years ago
Consider B support, its roller support contains. It does not resist any loads because if given a load to the roller its move away from WRT force.

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