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Which of the following is the correct equation for stiffness (K) of an element given value of force (F) and displacement (Q)?

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in Finite Element Method by (110k points)
Which of the following is the correct equation for stiffness (K) of an element given value of force (F) and displacement (Q)?

(a) FQ=K

(b) KQ=F

(c) KF=Q

(d) KFQ=1

The question was posed to me in an internship interview.

I'd like to ask this question from Beams and Frames in division Beams and Frames of Finite Element Method

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The correct choice is (b) KQ=F

To elaborate: The correct equation is given by KQ=F. The value of force (F) is the product of stiffness (K) and displacement (Q). The value of stiffness (K) of the element determines the displacement of the node.

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