Home▸Physics & Mechanics▸Ballet Pirouette Physics: 2D Top View

🩰 Ballet Pirouette Physics: 2D Top View

Top-down angular momentum model of a ballet pirouette.

Physics & Mechanics2DEasy60 FPS📱 Mobile-adapted⇄ 3D version

Details

CategoryPhysics & Mechanics

RenderingCanvas 2D

DifficultyEasy

Target FPS60

ControlsDrag the golden hands and foot to change arm opening and leg lift, click the dancer for an extra push, sliders for preparation push, floor friction, body mass, time scale and arm-pump period, spotting and arm-pump toggles, presets, pause, step and reset.

balletpirouetteangular momentummoment of inertiabiomechanicsrotation

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⚙ Under the hood

Interactive top-down model of a ballet pirouette: angular momentum stays constant, so drawing the arms and working leg in cuts the moment of inertia and speeds the spin up. Drag the hands and foot, watch the inertia split by body part, and see spin rate, energy and spotting update live.

balletpirouetteangular momentummoment of inertiabiomechanicsrotation

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install