8.11.2 - Phase vs Frequency Ratio
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Practice Questions
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What does the phase angle represent?
💡 Hint: Think about the relationship between input and output.
What is the frequency ratio?
💡 Hint: Recall how frequency is compared in systems.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What happens to the phase angle at resonance?
💡 Hint: Consider the implications of matching frequencies.
True or False: Increasing damping decreases the phase lag in a harmonic system.
💡 Hint: Damping plays a key role in phase relationships.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A bridge experiences harmonic loading at a frequency ratio of 1.1. Calculate the likely phase angle. Discuss the implications of this phase shift.
💡 Hint: Can you recall the phase angles corresponding to different frequency ratios?
Design a dynamic absorber for a system with known natural frequency of 2 Hz intending to reduce vibrations at 2.2 Hz. Explain your design considerations.
💡 Hint: Think about phase shifts and how they apply to countervailing harmonics.
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