The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body and $$\delta $$ = Static deflection of the body)
A. $$\frac{1}{{2\pi }} \times \sqrt {\frac{{\text{s}}}{{\text{m}}}} $$
B. $$\frac{1}{{2\pi }} \times \sqrt {\frac{{\text{g}}}{\delta }} $$
C. $$\frac{{0.4985}}{{\sqrt \delta }}$$
D. Any one of these
Answer: Option D
This Question Belongs to Mechanical Engineering >> Theory Of Machine
Option B is correct