A prismatic beam of uniform flexural rigidity EI is simply supported over a span, L. If a moment, M is applied at one support, the resulting bending strain energy is:
1
\(\frac{{M{L^2}}}{{EI}}\)
2
\(\frac{{{M^2}L}}{{2EI}}\)
3
\(\frac{{{M^2}L}}{{4EI}}\)
4
\(\frac{{{M^2}L}}{{6EI\;}}\)
5
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