Pitch Perfect
Classical Mechanics
Level
1
An opera singer sings the correct pitch to break a glass cup.
What physics phenomena resulting in the glass cup breaking?
Acoustic Refraction
Acoustic Resonance
Acoustic Insulation
Acoustic Dissipation
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An analogy would be a kid on a swing. The more the kid "pumps", the more energy the swinging has. This increased amplitude stresses glass to the breaking point. Resonance.
"Refraction", "Dissipation", and "Insulation" do not imply increase in total energy in the system.