Effect of damping on resonant frequency

Q.  If the damping of the system becomes equal to zero, which condition of the resonant frequency is likely to occur?
- Published on 09 Oct 15

a. ωr = ωd
b. ωr > ωn
c. ωr < ωn
d. ωr = ωn

ANSWER: ωr = ωn

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