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Searchable physics simulations
Filter by curriculum topic, difficulty, engine, and tags. Core simulations are reviewed by the platform; community submissions enter through moderation.
Ray Optics Thin Lens
Construct principal rays and image formation for converging and diverging lenses.
3D Sound Wave Propagation
Visualize longitudinal pressure waves as moving compressions, rarefactions, particle motion, and wavefront geometry in 3D.
3D Collision Lab: Momentum in Three Dimensions
Explore how mass, impact offset, and restitution shape three-dimensional collision outcomes while total momentum remains traceable.
Orbital Motion
Explore circular, elliptical, and escape-like trajectories in an inverse-square gravitational field.
Circuit Builder: Series and Parallel
Switch between series and parallel resistor layouts to compare equivalent resistance, current, voltage drops, and power.
Wave Interference
Visualize constructive and destructive interference from two coherent point sources.
Elastic and Inelastic Collisions
Compare momentum conservation and kinetic energy changes for two carts in one-dimensional collisions.
Free Body Diagram Builder
Resolve forces on a block into weight, normal, friction, applied, and net-force vectors on an inclined plane.
Electric Field Superposition
Map vector fields from multiple point charges and see how positive and negative sources combine.
Magnetic Fields Around Currents
Explore the geometry of magnetic field lines around straight wires and current loops.
Inclined Plane with Friction
Resolve gravity into parallel and normal components to predict sliding motion on a ramp.
Projectile Motion
Explore parabolic trajectories, range, launch angle, gravity, and drag with a deterministic 2D model.
Simple Pendulum
Study nonlinear pendulum motion, the small-angle period approximation, damping, and energy exchange.
Springs and Simple Harmonic Motion
Connect Hooke's law, angular frequency, damping, and phase-space motion in a spring-mass system.
Torque and Rotational Equilibrium
Balance a beam by changing masses, lever arms, and pivot position while watching net torque and center of mass.
Uniform Circular Motion
Explore how constant speed around a circle still requires inward acceleration and net force.
Work-Energy Skate Track
Connect gravitational potential energy, kinetic energy, frictional work, and total energy on a curved skate track.
Faraday Induction
Move a magnet through a pickup coil and connect changing magnetic flux to induced emf, current, and Lenz's-law direction.
Capacitor Charging and RC Time Constant
Watch an RC circuit charge or discharge while voltage, current, stored charge, and the one-time-constant guide update together.