Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 9 (Q.No. 14)
14.
Figure shows the forces acting on a body. Each square is 3 cm x 3 cm. If F1 = 30 N, F2 = 15 N, F3 = 25 N and F4 = 20 N, the resultant force and the moment about point O, respectively, are
Discussion:
3 comments Page 1 of 1.
Omprakash said:
10 years ago
Please note that this is my approach of thinking is is right or may be its wrong. You decide whether it is right or wrong. But my answer to this question I option (A) thanks.
Ashish said:
5 years ago
Please describe the solution.
Dibakar said:
4 years ago
F3' =F3 sin 36.87=15 kn.
F3"=20 kn downward.
sumV> F1-F2-F3'=0 & F4-F3"=0,
sumM> F1* 9 - F2* 6 - F* 9=0.
F3"=20 kn downward.
sumV> F1-F2-F3'=0 & F4-F3"=0,
sumM> F1* 9 - F2* 6 - F* 9=0.
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