Physics · Oscillations and Waves
A mass-spring system is used to model the vibrations of a building during an earthquake. How can the natural frequency of the system be shifted downward to reduce the risk of resonance with high-frequency earthquake vibrations?
- 1Increase the spring constant.
- 2Add additional springs in parallel.
- 3Decrease the spring constant.✓
- 4Decrease the mass.
Correct answer
Decrease the spring constant.
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