4. DYNAMIC ANALYSIS OF BEAMS WITH DISTRIBUTED PROPERTIES For the beam shown, and

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4. DYNAMIC ANALYSIS OF BEAMS WITH DISTRIBUTED PROPERTIES For the beam shown, and considering only the 1st mode, determine the maximum deflection 7.5 FT from the left support. ? EI = 30x108 LB-IN2 (constant) ? m = 1 LB-SEC2/IN per inch of beam span Give final answer in inches. There is no damping in this problem. Your answer to Part A should have a numerical portion (not entirely just words and descriptions). Page 2 For Problem 3A, you should have a numeric answer, even if you do not do calculations. ? Uniform impulse force p(x,t) = (2000)sin(400t) LB acting during a time interval equal to half of the period of the sinusoidal load function (that is, td = 400 SEC).

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