Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 15 (Q.No. 2)
2.
What is the moment (approximate) of the force acting on a railway sign post shown in the figure about the point ?
Discussion:
2 comments Page 1 of 1.
Harshil Abhijeet said:
4 years ago
The Correct Answer is C.
(3.5 * 300 * cos 60) + (1.5 * 300*sin 60) = 915.
(3.5 * 300 * cos 60) + (1.5 * 300*sin 60) = 915.
Mukesh Nanpure said:
7 years ago
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.
300cos(30)*3.5+300sin(30)*1.5 = 1134.3Nm.
(1)
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