# Forced Oscillator with Damping

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The position of a mass on a spring with spring constant , damping coefficient , and sinusoidal driver with amplitude and frequency *,* can be described by . Change the parameters in the system to see plots of position versus time or position versus velocity.

Contributed by: Rob Morris (March 2011)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

The initial position is variable but the initial velocity is fixed at 0. For illustrative purposes the damping coefficient, , may take on negative values in this Demonstration; in the case of a negative *,* it acts as an "amplifying" coefficient.

## Permanent Citation