15 Questions
Free vibration occurs when a structure is disturbed from its static equilibrium position and then allowed to vibrate without any external dynamic loads.
True
The differential equation governing the response of SDF systems to harmonic force includes viscous damping.
True
Excluding viscous damping, the differential equation governing the response of SDF systems to free vibration is mü+cu̇+ku=0.
True
Is free vibration the result of external dynamic loads acting on a structure?
False
Does the differential equation for SDF systems with viscous damping under harmonic force have the form mü+cu̇+ku=po sin(ωt)?
True
Is a single-degree-of-freedom system a structure that has more than one DOF?
False
Is free vibration the result of external dynamic loads acting on a structure?
False
Excluding viscous damping, the differential equation governing the response of SDF systems to free vibration is mü+ ku=0.
True
A single-degree-of-freedom system can have multiple degrees of freedom.
False
Multi-degree-of-freedom systems have displacement amplitudes that decrease with every cycle of vibration.
False
All structures of interest are overdamped systems.
False
Resonance occurs when the dynamic stiffness of the structures equals infinity.
False
Multi-degree-of-freedom systems always have displacement amplitudes that decrease with every cycle of vibration.
False
All structures of interest are overdamped systems.
False
Resonance occurs when the dynamic stiffness of the structures equals the natural frequency of the system.
True
Test your knowledge on the differential equation governing the response of SDF systems to harmonic force with viscous damping in this quiz on free vibration. Keywords: free vibration, viscous damping, differential equation, SDF systems, harmonic force.
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