The first critical speed of an automobile running on a sinusoidal road is calculated by (modeling it as a single degree of freedom system)
(a) Resonance
(b) Approximation
(c) Superposition
(d) Rayleigh quotient
I have been asked this question in final exam.
I'd like to ask this question from Types of Vibratory Motion and Natural Frequency of Free Longitudinal Vibrations in section Longitudinal and Transverse Vibrations of Machine Dynamics