misterwhale7546 misterwhale7546 19-03-2024 Physics contestada A direct-force excited SDOF system has a mass m, natural frequency ω, damping ratio ζ, forcing frequency ωf, and forcing amplitude A. What is the frequency of the response at steady-state?a) ωb) ωfc) √(ω² + ωf²)d) (ω² + ωf²)¹/²