6.4 - Forced Vibration due to External Force (Mass Excitation)
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Practice Questions
Test your understanding with targeted questions
What is the equation of motion for a system subjected to mass excitation?
💡 Hint: What forces are included in the equation?
Define resonance in the context of forced vibrations.
💡 Hint: What happens to the amplitude at this condition?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the equation of motion for forced vibration include?
💡 Hint: Think about contributing forces in a dynamic system.
True or False: The steady-state response to harmonic loading is a sinusoidal function.
💡 Hint: Recall the form of harmonic loading.
1 more question available
Challenge Problems
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Demonstrate how varying damping affects the steady-state response of an SDOF system under harmonic loading.
💡 Hint: Consider dB levels and response curves.
Analyze a system with given parameters: mass = 50 kg, k = 2000 N/m, under harmonic force F(t) = 100 N sin(ωt), ω = 4 rad/s. Determine amplitude and phase shift.
💡 Hint: Use the resonance condition to explore response characteristics.
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