Natural vibrations
Constant amplitude, constant frequency — vibration with no resistive force at all.
ICSE / Class 9–10 Physics · Sound
Natural, Damped & Forced Vibrations & Resonance
Learn how objects vibrate through beautiful interactive simulations.
Four ideas, one spring
Every simulation in the lab uses the same mass-on-a-spring so you can see exactly what changes when resistance or an external force is added.
Damped vibrations
Air, water or oil steals energy as heat, so the amplitude decays away.
Forced vibrations
A motor drives the mass, and the system takes on the driver's frequency.
Resonance
Match the driving frequency to f₀ and the amplitude shoots up dramatically.