Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
In the steady state, what happens to the amplitude of the forced oscillations as the difference between the forcing frequency and the natural frequency increases?
In the steady state, what happens to the amplitude of the forced oscillations as the difference between the forcing frequency and the natural frequency increases?
- Remains constant
- Increases
- Becomes unpredictable
- Decreases (correct)
What happens to the oscillations when free oscillations die out and only forced oscillations remain?
What happens to the oscillations when free oscillations die out and only forced oscillations remain?
- Oscillations continue with variable amplitude
- Oscillations become chaotic
- Oscillations reach a steady state with constant amplitude (correct)
- Oscillations stop completely
What does A represent in equation (1.32) for forced oscillations?
What does A represent in equation (1.32) for forced oscillations?
- Frequency of applied force
- Amplitude of forced oscillations (correct)
- Phase angle between displacement and external force
- Natural frequency
In the steady state, what is the relationship between energy input per cycle and energy lost per cycle?
In the steady state, what is the relationship between energy input per cycle and energy lost per cycle?
Signup and view all the answers
What do both the amplitude A and the initial phase a depend on?
What do both the amplitude A and the initial phase a depend on?
Signup and view all the answers
How is the amplitude of forced oscillations calculated according to equation (1.33)?
How is the amplitude of forced oscillations calculated according to equation (1.33)?
Signup and view all the answers
