Question 9 (12 points) Assume a bar element in 2D (as shown below): V 1,Y) 1 Ө F1, x] F1, y L F2, x [F2, y] U 1, x V.2,

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Question 9 (12 points) Assume a bar element in 2D (as shown below): V 1,Y) 1 Ө F1, x] F1, y L F2, x [F2, y] U 1, x V.2, Y Assume that the set of equations of force equilibrium for this element is: -0.5] [1, 2] -0.5 y =160 x 2 U2, X +0.5 +0.5 +0.5 +0.5 +0.5 -0.5 -0.5 -0. -0.5 -0.5 +0.5 -0.5 -0.5 +0.5 +0.5 u2, x +0.5] [v2, y] where forces are expressed in N and displacements in mm. What is the force (in N), associated with the Degree of Freedom #2, which will cause a unitary displacement of the Degree of Freedom #2?