Welcome to the Quiz!
This quiz contains 12 questions from a mix of 1 subtopics.
What causes free vibrations in an oscillating system?
external periodic forces
the system being disturbed then allowed to vibrate naturally
friction forces
resonance with applied forces
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What is the term used to describe the external frequency applied to a system undergoing forced vibrations?
vibrational frequency
natural frequency
damping frequency
driving frequency
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When does resonance occur in an oscillating system?
when the driving frequency is much higher than the natural frequency
when the natural and driving frequencies match
when damping forces balance the driving forces
when the driving frequency is double the natural frequency
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Which of the following best describes the amplitude response at resonance?
the amplitude is at a global minimum
there are no extremes in the amplitude response
the amplitude response is flat
there is a spike in amplitude at the natural frequency
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What term describes the natural frequency of an oscillating system?
frequency of free oscillation
none of the above
external driving frequency
damping frequency
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Which of the following is NOT an example of resonance phenomena in everyday life?
pushing a swing at its natural frequency
organ pipes resonating at certain frequencies
wine glasses shattering from sound waves
A ball bouncing with no external forcing
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What causes the vibrations in an organ pipe exhibiting resonance?
external air vibrations at the pipe openings
self-sustained vibrations within the pipe walls
interference of longitudinal pressure waves
transverse waves reflecting inside the pipe
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What information can be obtained from graphs of amplitude response vs. frequency?
relative phase differences
locations of nodal points
determination of natural frequencies
presence of harmonics
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Which of the following does NOT exhibit resonance phenomena?
glass objects shattering from certain sound pitches
mass-spring systems with no driving force applied
pipe organs resonating at certain frequencies
tuning forks vibrating from sound energy
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List 3 examples of resonance phenomena seen in everyday life.
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Define resonance in an oscillating system.
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Give 2 features of free vibrations in oscillating systems.
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