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For Students · Particle / N-Body

Particle / N-Body for a trebuchet launch

Built for students learning it for a class or exam. See the concept move instead of memorizing formulas — and check your homework intuition. Simulate a trebuchet launch live below — adjust the inputs and watch it respond, right in your browser.

Particle / N-Body StudioLive

symplectic Euler · impulse collisions

Controls

Speed1×

Presets

Particles

Pairwise gravity G

Downward gravity

Restitution

▶ Run in Python

Data Inspector

Bodies0

Kinetic energy0.00e+0

Mean speed0.0

Max speed0.0

Governing equation

F = \frac{G m _{1} m _{2}}{r ^{2}}, G = 60, N = 120

Reading this result: Moderate mutual gravity (G=60) lets the 120 bodies form loose orbiting structures instead of collapsing outright.

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Frequently asked questions

Is this good for students?: Yes — this version of "Particle / N-Body for a trebuchet launch" is framed for students learning it for a class or exam. See the concept move instead of memorizing formulas — and check your homework intuition.
Do I need to install anything?: No. It runs in any modern browser, free, with no account required.