3. The one-dimensional bar shown is of uniform cross-sectional area A and length L. It is...

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3. The one-dimensional bar shown is of uniform cross-sectional area A and length L. It is clamped at the left end and subjected to a concentrated force, F, at the right end and a uniformly distributed load bx that acts along the length of the bar. Using the Rayleigh-Ritz Mehtod, determine the displacement coefficients for the displacement polynomial u(x) = a + a1x + a2x. Provide numerical results for the case of L = 12 in., A = 0.01 in, E = 100 ksi, F = 1 kip, and bx = 0.01 kip/in. bx F 3. The one-dimensional bar shown is of uniform cross-sectional area A and length L. It is clamped at the left end and subjected to a concentrated force, F, at the right end and a uniformly distributed load bx that acts along the length of the bar. Using the Rayleigh-Ritz Mehtod, determine the displacement coefficients for the displacement polynomial u(x) = a + a1x + a2x. Provide numerical results for the case of L = 12 in., A = 0.01 in, E = 100 ksi, F = 1 kip, and bx = 0.01 kip/in. bx F