For a forced vibration, the amplitude of vibration is found to depend on the
A. sum of the external frequency and the natural frequency.
B. difference of the external frequency and the natural frequency.
C. product of the external frequency and the natural frequency.
D. ratio of the external frequency and the natural frequency.
Answer:B
For a forced vibration, the amplitude of vibration is found to depend on the
A. sum of the external frequency and the natural frequency. B. difference of the external frequency and the natural frequency. C. product of the external frequency and the natural frequency. D. ratio of the external frequency and the natural frequency.