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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define natural frequency.
💡 Hint: It relates to how a structure would vibrate naturally.
Question 2
Easy
What happens in free vibration?
💡 Hint: Think about what happens when you pluck a string.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is natural frequency?
- Frequency of external forces
- Frequency at which a system oscillates naturally
- Frequency of forced vibrations
💡 Hint: Think of it as the frequency the structure prefers.
Question 2
True or False: Damped systems exhibit continuous vibrations indefinitely.
- True
- False
💡 Hint: Remember what damping does to energy over time.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A building has a mass of 2000 kg and a stiffness of 80000 N/m. Calculate its natural frequency.
💡 Hint: Apply the formula step by step, starting with stiff and mass values.
Question 2
Discuss the impacts of resonance during the 1985 Mexico City earthquake with respect to natural frequencies.
💡 Hint: Think about the relationship between building designs and the characteristics of the earthquake.
Challenge and get performance evaluation