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3 cards from this section. Quick, good the night before a test.
What is the definition of free vibration?
Think about what happens when something is set into motion without anything pushing it.
What does the damping ratio indicate?
Consider how different materials might affect vibrations.
What occurs in free vibrations?
Think about what happens when you push a swing and let go.
True or False: In an undamped system, the vibrations eventually stop.
Consider how a pendulum behaves in a vacuum.
A structure experiences free vibrations after being disturbed. If its mass is doubled, how does this affect its natural frequency?
Refer to the relationship expressed in the natural frequency formula.
For a damped system with a damping ratio of 0.5, describe the expected motion behavior compared to critically damped systems.
Consider how oscillations behave differently based on energy dissipation.
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