Physics
Physics simulators for mechanics, circuits, waves, and oscillation. See the equations come to life.
Mechanics & Motion
- Beam Deflection Calculator — Calculate deflection, bending moment, and shear force for cantilever and simply supported beams
- Kinematics (SUVAT) Calculator — Solve the SUVAT equations of motion for constant acceleration. Enter any 3 of displacement, initial velocity, final velocity, acceleration, and time to find the other 2.
- Momentum & Collision Lab — Simulate 1D cart collisions to explore conservation of momentum, kinetic energy changes, and the coefficient of restitution.
- Newton's Second Law (F=ma) Simulator — Push a block with friction and an optional incline, and watch Newton's laws play out: net force, F=ma, and a full free-body diagram, animated live.
- Projectile Drag/Wind Simulator — Projectile motion with air drag and wind.
- Projectile Motion Simulator — Simulate projectile motion with launch speed, angle, and launch height. See range, time of flight, and max height live.
- Roller Coaster Energy Simulator — See kinetic and potential energy exchange on a customisable roller coaster track
Oscillations, Waves & Optics
- Chaos Bouncing Balls Lab — Many-ball gravity and collision sandbox with twin-run divergence tracking.
- Circular Motion Lab — Visualise centripetal force, centripetal acceleration, angular/tangential velocity, period, and frequency.
- Doppler Effect Simulator — Visualize the Doppler shift with moving source wavefronts, Mach cones, and frequency calculations.
- Double Pendulum Explorer — Interactive double pendulum chaos simulation.
- Hooke's Law & Spring Lab — Explore force, displacement, potential energy, oscillation, and combinations of springs.
- Lens and Imaging Studio — Move object and lens parameters to see real/virtual image formation with principal rays and lens equation updates.
- SHM Resonance Lab — Explore mass-spring-damper dynamics with time response, phase portrait, and resonance curve.
- Signal Sampling & Nyquist Theorem — Visualise the Nyquist theorem: see how sampling rate affects signal reconstruction and aliasing
- Simple Pendulum / SHM — Simulate a simple pendulum with adjustable length, gravity, and initial angle. See period, frequency, and max velocity update live with a swinging animation.
- Snell's Law Refraction Simulator — Visualize light refraction at a boundary with adjustable refractive indices and total internal reflection.
- Standing Waves Explorer — Visualize standing waves with adjustable harmonic number, boundary conditions, and animated nodes/antinodes.
- Thin Lens Ray Tracer — Trace rays through converging and diverging lenses with real-time image position and magnification.
- Wave Interference / Two-Source — Explore two-source wave interference with adjustable wavelength, source separation, and fringe order in a live 2D pattern.
Thermodynamics
- Carnot Engine Simulator — Explore the Carnot cycle: PV diagram, efficiency η = 1 − Tc/Th, and energy flow
- Ideal Gas Law Calculator — PV = nRT with an interactive piston diagram and isotherm curves
Electricity, Magnetism & Circuits
- Electric Field Visualiser — Place point charges and see field lines, vectors, and equipotential contours
- Inverse Square Law Explorer — See how gravity, light intensity, and electric force all decay as 1/r² — a geometric consequence of spreading over a sphere.
- Ohm's Law Calculator — Solve V = IR for voltage, current, or resistance. Instant results with full formula.
- RC Circuit Simulator — Visualize capacitor charging and discharging curves with adjustable R, C, and V₀.
- RLC Resonance Analyser — Explore series RLC circuit resonance, Q factor, impedance, and frequency response
- Smith Chart & RF Black Magic Lab — Interactive Smith Chart tool for RF impedance matching, reflection coefficient visualization, and understanding microwave black magic
Control Systems & Modern Physics
- Missile Interception & Proportional Navigation — See how a guided interceptor homes in on a moving target. Compare pure pursuit with proportional navigation and watch the guidance equation a = N·Vc·λ̇ compute live, frame by frame.
- PID Control Tuner — Tune PID gains and inspect step response.
- Radar Physics Simulator — Simulate radar detection, Doppler filtering, PRF ambiguity, and range limits.
- Special Relativity Explorer — Explore time dilation, length contraction, and the Lorentz factor - as velocity approaches the speed of light.
Other Tools
- Bode/Nyquist Control Lab — Explore gain, damping, and natural frequency with live Bode and Nyquist plots and stability margins.