How it works
- 1Enter variables using the units and ranges shown beside each field.
- 2Results update with your inputs. Use the button below the diagram to calculate or start the animation.
- 3Review result units, model assumptions and sources.
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BROWSER · Local JavaScript · Physics Lab
Pendulum, Spring & Damped Motion
Pendulum, Spring & Damped Motion. Enter your own values. Interactive physics diagram.
✓ Enter your own values✓ Interactive physics diagram✓ Calculations run in your browser.
About this tool
Small-angle (≤15°) pendulum or Hooke spring, released from rest. Linear damping. Pendulum energy uses the small-angle approximation; ζ≥1 has no oscillation period.
Common uses
Spring & Damped MotionPhysics ToolsPendulum, Spring & Damped Motion onlinefree Pendulum, Spring & Damped Motion
Frequently asked questions
What are the model limitations?
Small-angle (≤15°) pendulum or Hooke spring, released from rest. Linear damping. Pendulum energy uses the small-angle approximation; ζ≥1 has no oscillation period.
Are my values sent to a server?
Calculations run in your browser.