Classical Mechanics
Projectile motion, forces, energy, collisions, and rotational dynamics
Projectile Motion
Launch projectiles with adjustable angle, velocity, and gravity. Trace parabolic paths with real-time graphs.
Free Fall
Drop objects of different masses with optional air resistance. Prove Galileo right.
Uniform vs Accelerated Motion
Compare constant velocity and accelerating objects side by side.
Relative Motion
Boat crossing a river, plane in wind. Vector addition visualization.
Circular Motion
Object on a string with centripetal acceleration and force vectors.
Force Diagram Builder
Place objects, add force vectors, see net force and resulting acceleration.
Newton's Cradle
Conservation of momentum and energy visualized with swinging balls.
Inclined Plane
Adjust angle and friction. See force components and resulting motion.
Friction Simulator
Static vs kinetic friction with adjustable coefficient.
Slide to Stop
Initial velocity on a rough table: constant μ_k g decel, time and distance to rest.
Atwood Machine
Two masses on a pulley. Adjust masses to see acceleration and tension.
Elevator Physics
Person on a scale in an elevator. See apparent weight change.
Energy Conservation
Ball on a roller coaster track with real-time KE, PE, and total energy bars.
1D Force Field
U(x) presets, F = −U′, bead on potential, phase (x,v) and E(t).
1D Collisions
Elastic and inelastic collisions with momentum and energy tracking.
2D Collisions
Billiard-ball style collisions with adjustable angles.
Torque & Balance
Beam on a fulcrum. Place weights to balance or tip.
Simple Pendulum
Adjust length, mass, and gravity. Observe period and damping effects.
Double Pendulum
Mesmerizing chaotic motion with path tracing.
Spring-Mass System
Simple harmonic motion with adjustable spring constant and damping.
Coupled Oscillators
Two masses, three springs: normal modes ωₛ, ωₐ and beats.
Forced Oscillator
Driven damped harmonic oscillator: transients, resonance curve A(ω).
Buoyancy Simulator
Drop objects in water. Float or sink based on density.
Bernoulli Flow
Pipe narrows: speed up, pressure down. Continuity + Bernoulli.
Hydraulic Press
Pascal: same pressure, large piston → large force. F₂ = F₁·A₂/A₁.
Rocket Propulsion
Variable mass: thrust ṁu, Tsiolkovsky Δv, vertical launch with gravity.
Angular Momentum
Two masses on a rod: I = 2mr², change r or m and watch ω adjust to keep L constant.
Coriolis Effect
Puck on a rotating platform: curved path in the rotating frame vs straight line inertial.
Wall Bounce
2D box: frictionless walls, restitution e, optional gravity. Trails and kinetic energy graph.