If the damping of the system becomes equal to zero, which condition of the resonant frequency is likely to occur?
A. ωr = ωd
B. ωr > ωn
C. ωr < ωn
D. ωr = ωn
Answer:D
If the damping of the system becomes equal to zero, which condition of the resonant frequency is likely to occur?
A. ωr = ωd B. ωr > ωn C. ωr < ωn D. ωr = ωn