Civil Engineering - UPSC Civil Service Exam Questions - Discussion

2. 

What is the moment (approximate) of the force acting on a railway sign post shown in the figure about the point ?

[A]. 1135 Nm
[B]. 1205 Nm
[C]. 980 Nm
[D]. 1300 Nm

Answer: Option A

Explanation:

No answer description available for this question.

Mukesh Nanpure said: (Jul 4, 2018)  
Take moments about point O by resolving 300N into horizontal and vertical components i.e.

300cos(30)*3.5+300sin(30)*1.5 = 1134.3Nm.

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