A structural system consists of two springs, each of stiffness k, in parallel in-turn connected to third spring of same stiffness in series. A mass m is connected at the one end of the system and other end is fixed. What shall be the natural frequency of the system?

A structural system consists of two springs, each of stiffness k, in p

1.	A structural system consists of two springs, each of stiffness k, in parallel in-turn connected to third spring of same stiffness in series. A mass m is connected at the one end of the system and other end is fixed. What shall be the natural frequency of the system?
A.	\(\sqrt {\frac{k}{m}} \)
B.	\(\sqrt {\frac{{3k}}{m}} \)
C.	\(\sqrt {\frac{{3k}}{{2m}}} \)
D.	\(\sqrt {\frac{{2k}}{{3m}}} \)
Answer» E.

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A structural system consists of two springs, each of stiffness k, in parallel in-turn connected to third spring of same stiffness in series. A mass m is connected at the one end of the system and other end is fixed. What shall be the natural frequency of the system?

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