P(t) = Plot the displacement of point A when 0 t 0.01s t> 0.01s {1000 (N) (harmonic response) Plot the displacement of point A when P(t) = 1000sin (27 (20)t) (N) (step function) Plot the displacement of point A when P(t) = 0 p(x) = {10(N/m) p(x) = 0 p(x) = 0 t 0 t < 0 Determine the maximum bending moment and shear force at point B for (1), (2), and (3). Contain the detailed derivation of the FEM model and the validation of it using a simple cantilever beam. BEI, m = 150 kg/m 1= 70 mm. k= 30kN/m EI 30X10 N.m El = 2E11 p(x) El El El3 = 3E11 1/3 21/3. EI ww. El4 = 1 EI A