Classical Études

Short, interactive drills on classical physics. Each builds on the last.

Each entry below is a runnable simulation paired with a short essay. The order matters — start at the top. The goal is intuition that compounds: master the simplest case, then vary one thing at a time and watch what changes.

1. i

   Two-Body Gravity

   Two equal-mass particles under softened Newtonian gravity. Drag to set positions, draw arrows to set velocities, watch the orbit.

2. ii

   Free particle in 2D

   A point with no force on it. Drag it, give it a velocity, watch it drift.

3. iii

   Free particle — phase space

   The same free particle, viewed simultaneously through its position-space and velocity-space coordinates.