Civil Engineering - UPSC Civil Service Exam Questions - Discussion

16. 

In the force system shown in the figure, the force CA should be

[A]. 5 t
[B]. - 5 t
[C]. 4 t
[D]. - 4 t

Answer: Option A

Explanation:

No answer description available for this question.

Chnadu said: (Apr 1, 2014)  
3^2+4^2 = 25.
%25 = 5.

And the direction same as shown.

Arbina said: (Jul 16, 2014)  
3^2+4^2 = SQUARE OF ANSWER.
25 = SQUARE OF ANSWER.

TAKING SQUARE ROOT ON BOTH SIDE SO,
5 = ANSWER.

Logu said: (Dec 9, 2014)  
This formula is used for center line marking.

Asaithambi said: (Dec 14, 2016)  
Resultant force = ((horizontal force)^2 + (vertical force)^2))^1/2.
= ((4t^2) + (3t^2))^1/2.
= 5t.

Zinabe Molla said: (Sep 14, 2017)  
Resultant force = ((horizontal force)^2 + (vertical force)^2))^1/2.
= ((4t^2) + (3t^2))^1/2.
= 5t.

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