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Find the force in the member RQ of the frame shown below.

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in Engineering Mechanics by (701k points)
Find the force in the member RQ of the frame shown below.

(a) 707.1N

(b) 500N

(c) 505N

(d) 784N

This question was posed to me during an online interview.

The query is from Simple Trusses topic in section Structural Analysis of Engineering Mechanics

1 Answer

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Best answer
Correct option is (a) 707.1N

The best explanation: The direction of the unknown is not known to us. To know the direction of the unknown force we take assumption of it. That is we assume that the particular direction might be the direction of the force and then we do the calculations accordingly. And then we apply the equilibrium equations to the joints.

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