+1 vote
in Machine Dynamics by (34.3k points)
The natural frequency (in Hz) of free longitudinal vibrations is equal to

(a) 1/2π√s/m

(b) 1/2π√g/δ

(c) 0.4985/δ

(d) all of the mentioned

I had been asked this question in an interview for internship.

My question is based upon Vibratory Motion in section Longitudinal and Transverse Vibrations of Machine Dynamics

1 Answer

0 votes
by (38.6k points)
Right answer is (d) all of the mentioned

The explanation: Natural Frequency, fn = 0.4985/δ

where m = Mass of the body in kg,

s = Stiffness of the body in N/m, and

δ = Static deflection of the body in metres.

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