In Exercises 61 and 62, forces w, w2, and w, (in pound act on a simply...

  

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In Exercises 61 and 62, forces w, w2, and w, (in pound act on a simply supported elastic beam, resulting in deflections d,, d, and d, (in inches) in the beam (see figure). dz Use the matrix equation d = Fw, where .-.-国 d = |d2 w = and F is the 3 x 3 flexibility matrix for the beam, to find the stiffness matrix F-1 and the force matrix w. The units of the entries of F are given in inches per pound. [0.008 0.004 0.003 61. F = 0.004 0.006 0.004 . d = 0.640 0.003 0.004 0.008 [0.017 0.010 0.008 62. F = 0.010 0.012 0.010, d = 0.15 0.008 0.010 0.017 [0.585 [0.835 In Exercises 61 and 62, forces w, w2, and w, (in pound act on a simply supported elastic beam, resulting in deflections d,, d, and d, (in inches) in the beam (see figure). dz Use the matrix equation d = Fw, where .-.-国 d = |d2 w = and F is the 3 x 3 flexibility matrix for the beam, to find the stiffness matrix F-1 and the force matrix w. The units of the entries of F are given in inches per pound. [0.008 0.004 0.003 61. F = 0.004 0.006 0.004 . d = 0.640 0.003 0.004 0.008 [0.017 0.010 0.008 62. F = 0.010 0.012 0.010, d = 0.15 0.008 0.010 0.017 [0.585 [0.835

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