SSC JE Mechanical Engineering 2012 Paper

Question : 178 of 200

Marks: +1, -0

The strain energy stored in a cantilever beam loaded as shown, will be

Solution:

Strain energy stored in a cantilever beam

=1/2P.S.

⇒

1/2×\load×\defesction

=1/2×P×{Pl^3}/{3EI}={P^2l^3}/{6EI}

∴ deflection is cantilever beam =

{Pl^3}/{3EI}

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