PCE219Final Exam Fall 2007

# PCE219Final Exam Fall 2007 - PCE219 Final Exam NAME Fall...

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PCE219 Final Exam Fall 2007 NAME:___________________________________ (COMPLETE 4 OF THE 5 PROBLEMS) DO NOT GRADE PROBLEM _________ Problem 1 (25 points). The beam of length L shown below is fixed to the wall at the left and on a roller at the right end. It is subjected to a distributed load, which varies form zero to q 0 , and the bending stiffness is EI a.Draw a FBD for the structure shown below that would be used to determine the reaction forces. Write the appropriate equilibrium equations to determine the reaction forces. b. Draw an appropriate FBD to determine the forces in the beam acting at a distance x from the left side. Find an expression for the bending moment, M(x), in terms of q, L and any reaction forces introduced in part a. L EI q 0

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PCE219 Final Exam Fall 2007 Problem 2 (25 points). The truss below is subjected to 2 loads of magnitude P=100 N and is supported at pins A and F. Each bar is of length, L=5 m (The bars form equilateral triangles.) Determine the force in Bar CD P A B C D E F G P L typical
PCE219 Final Exam

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PCE219Final Exam Fall 2007 - PCE219 Final Exam NAME Fall...

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