A single degree of freedom system is given by m times...

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A single degree of freedom system is given by, $$m \times \frac{{{d^2}x}}{{d{t^2}}} + c \times \frac{{dx}}{{dt}} + sx = F\cos \omega t$$ with usual notations. It represents

A. Free vibration with damping

B. Free vibration without damping

C. Forced vibration with damping

D. Forced vibration without damping

Answer: Option C

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