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For applying the method of joint at joints the forces need to be concurrent.

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in Engineering Mechanics by (701k points)
For applying the method of joint at joints the forces need to be concurrent.

(a) False

(b) True

This question was addressed to me in an online quiz.

My question comes from Method of Joints topic in section Structural Analysis of Engineering Mechanics

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Right option is (b) True

To explain I would say: The forces are concurrent that’s why they are there in the calculations in the method of joints. The forces are resolved in 2D. This makes the condition of the equilibrium fulfilled by cancelling of various force members and hence the method of joints uses the concurrent forces for its calculation.

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