12 points Save Question 13 (12 marks, LO3)-The figure below shows a multidegree-

Question

12 points Save Question 13 (12 marks, LO3)-The figure below shows a multidegree-of-freedom system. t1 ty Use the provided white paper to work out your answers, then pick the proper choice from the drop down list. Study the forces acting on mi by setting the displacement of m equal to one, thus The equilibrium of forces for mass mi, k11 The equilibrium of forces for mass m2 , k21 The equilibrium of forces for mass m3 , k31 i- Setting the displacement of m2 equal to one, thus The equilibrium of forces for mass mi,k12- The equilibrium of forces for mass m2, k22 The equilibrium of forces for mass m3, k32

Explanation / Answer

K11 =k1 + k2 =30

K21 = -k2 =-20

K31 =0

K12 = -k2= -20

K22=k2+k3 =30

K32=-k3 =-10

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