Question

1: Bending moment in a beam was determined to be M(x) = 2000 (x – 2)...

1: Bending moment in a beam was determined to be M(x) = 2000 (x – 2) (N∙m), where x varies from 0 to 2.0 m. Write the angle of rotation (??) as a functions of x, if EI = 2∙106 N∙m2, and ?(0) = 0

2. For the beam in above Problem, calculate the strain energy for x from 0 to 2.0 m.

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Homework Answers

Answer #1

1) We have

M= 2000(x -2) = 2000x - 4000

Integrate both sides

Also

=> C = 0

Therefore

2) Strain energy is given by

= 5.33 N-m

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