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2 cards from this section. Quick, good the night before a test.
What does m represent in the equation of motion?
Think about what you are trying to model in a physical system.
What is the relationship between mass and natural frequency?
Consider how heavy objects move compared to lighter ones.
What is the equation of motion for an undamped SDOF system?
Remember, it describes mass and stiffness acting on displacement.
True or False: Increasing mass will increase the natural frequency of a system.
Think about how heavier masses respond compared to lighter ones.
A system has a mass of 10 kg and a spring constant of 400 N/m. Calculate the natural frequency and time period.
Use the respective formulas for ω and T.
If the damping coefficient is introduced into the equation mx¨(t) + cx˙(t) + kx(t) = 0, describe how it changes the dynamic response.
Think about what happens when friction is introduced to the system.
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