Critical damping is when the system
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12 questions
Resonance occurs when
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Damping in an oscillating system is caused by
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A system undergoing forced oscillation vibrates at
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Which application uses critical damping?
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Which is a harmful example of resonance?
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A heavily damped system displaced from equilibrium
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A kg mass hangs on a spring of stiffness N m⁻¹. Calculate the driving frequency at which resonance occurs.
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The amplitude of a lightly damped oscillator falls from cm to cm in one cycle. Calculate the percentage of its energy lost in that cycle.
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Increasing the damping of a forced oscillator
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A simple pendulum of length m is driven by a periodic force. Calculate the driving frequency for resonance. ( m s⁻²)
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A lightly damped oscillator loses of its energy each cycle. Calculate the amplitude after cycles, as a percentage of the initial amplitude.
Salam Academy Original Practice · Proposed mark scheme