Question
The effective stiffness of a cantilever beam of length L and flexural rigidity EI subjected to a transverse tip load W is
Options :
3EI/L³
2EI/L³
L³/2EI
L³/3EI
Answer :
3EI/L³
Solution :
δ= WL³/3EI
K= W/δ= 3EI/L³
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