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2 cards from this section. Quick, good the night before a test.
What is free vibration?
Think about what happens when someone shakes a building and then stops.
Define forced vibration.
Consider what happens to a building during an earthquake.
What occurs during free vibration?
Think about shaking a structure and then letting it go.
True or False: Natural frequencies are unique to each structure.
Consider how different types of buildings react uniquely to dynamic loads.
A structure is designed with a natural frequency of 2 Hz. If an earthquake produces waves at 2 Hz, discuss the risks involved.
Consider how matching frequencies might compound the effects of dynamic loads.
Consider a building designed with a specific distribution of mass across its floors. Discuss how uneven mass distribution could affect its natural frequency.
Think about how a seesaw might tilt differently depending on weight placements.
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