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The value of maximum possible amplitude in the case of forced oscillations when driving frequency
\( \mathrm{P} \) is close to natural frequency is :

W
(1) \( \frac{\mathrm{F}_{0}}{\mathrm{~m}\left(\omega^{2}-\omega_{d}^{2}\right)} \)
(2) \( \frac{\mathrm{F}_{0}}{\omega_{\mathrm{d}} \mathrm{b}} \)
(3) \( \frac{F_{0}}{m \omega^{2}} \)
(4) None
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