Classical mechanics, kinematics, and dynamics
22 Jul 2026
Conservation of momentum explained with an interactive elastic and inelastic collision simulator — final velocity formulas, worked examples and FAQs.
21 Jul 2026
Centripetal force calculator and circular motion simulator — compute F = mv²/r, period and acceleration, and see why the force points to the centre.
23 Apr 2026
Watch kinetic and potential energy trade off as a mass descends a ramp — see conservation of energy in action with adjustable mass, height, and friction.
21 Apr 2026
Visualise displacement, velocity, and acceleration in a spring-mass system. Adjust spring constant, mass, amplitude, and damping — explore the phase portrait.
20 Apr 2026
Explore all three of Newton's laws interactively — inertia, F = ma, and action-reaction — with live graphs and adjustable parameters.
20 Mar 2026
Watch energy slosh between two spring-coupled masses and discover normal modes — the symmetric and antisymmetric oscillations that underpin everything from molecular vibrations to phonons in crystals.
15 Jan 2026
Interactive projectile motion calculator — adjust launch angle, velocity, and gravity to trace live parabolic trajectories.