Play · 60+ Physics Labs

Drop two balls with/without drag.

Launch projectiles, tune angle and speed.

Compute relative speed and time of crossing for two trains.

Pick initial velocity and acceleration; observe how position evolves with time.

Throw a ball straight up — see height vs time and key quantities.

See how acceleration depends on applied force for fixed mass.

F_c = mv²/r — see how centripetal force grows quadratically with speed.

Net acceleration along an incline with friction as a function of angle.

Friction and angle of repose.

Plot p = m v and see how doubling mass doubles momentum at the same velocity.

Position vs time for a body with zero net force — constant velocity gives a straight line.

Elastic ↔ inelastic with restitution.

Sphere vs cylinder vs ring race.

Click + drag to launch a satellite.

PV diagram of an ideal Carnot engine.

Simple pendulum: T = 2π√(L/g).

Damped mass-spring oscillator.

Source/observer motion; f shifts.

String harmonics; nodes & antinodes.

Place charges, watch E-field.

Battery vs isolated; dielectric.

Series/parallel; live I, V, P.

Thin-lens image construction.

Two coherent sources, fringe field.

Compare axial and equatorial magnetic fields of a dipole and watch the 1/r^3 fall-off.

Watch energy grow quadratically with voltage for a fixed capacitance.

See how speed and radius determine centripetal acceleration and required force.

Launch a projectile, see its trajectory, and watch range/height respond to angle and speed.

Vary object distance u and see image distance v(u) for a concave mirror of focal length f. Note divergence at u = f.

Vary the charges and watch the inverse-square force between them as a function of separation.

Vary the Curie constant and watch susceptibility fall as 1/T for a paramagnet.

Compare axial and equatorial dipole fields and see how both decay as 1/r^3.

Vary the alpha-particle kinetic energy K and target Z to see how the head-on distance of closest approach r0 changes.

See how v_d scales linearly with electric field and relaxation time.

Vary the total field and dip angle; see how horizontal and vertical components change.

Adjust the spring constant and see how stored energy grows quadratically with extension.

Plot E(r) for a point charge and observe how field strength falls with distance.

Inside a uniform positive sphere the electron feels a linear restoring force and oscillates harmonically. Vary R and Z to see how the predicted frequency changes.

K = ½ m v² — quadratic growth of kinetic energy with speed.

KE and PE swap as a pendulum swings; their sum is constant.

P = F v — instantaneous power is linear in velocity at fixed force.

F = −k x. Area under this line gives spring work.

U = ½ k x². Parabolic well — restoring force toward x = 0.

Work = F s cos θ; positive, zero, or negative depending on angle.

Vary main-scale division and number of vernier divisions to see how least count changes.

Vary the refractive index n of a symmetric biconvex lens (|R| = 20 cm) and see how the focal length changes.

Vary current, turns and radius to see how the magnetic moment of a circular coil scales.

MOI grows quadratically with radius — explore for ring (I = MR²) vs disc (I = ½ MR²).

CM of a projectile follows a parabola, regardless of internal forces.

Exponential decay of temperature excess above ambient. Adjust the cooling constant and observe the half-life.

Tune plate area, separation, and dielectric to see how capacitance changes.

Vary length and gravity to see how the dimensionally-derived T = 2π√(l/g) behaves.

See how the time period of a simple pendulum scales as sqrt(L/g), as predicted by dimensional analysis.

Compare V(r) ~ 1/r with E(r) ~ 1/r^2 for a point charge.

Visualise how pressure rises linearly with depth for different densities.

Vary the prism angle A and plot the refractive index μ that yields a chosen minimum deviation Dm.

Slide R and Q; see E rise linearly inside the sphere and decay as 1/r^2 outside.

Adjust the spring constant and see how restoring force scales linearly with extension.

In a uniform rod, the temperature falls linearly from hot to cold end. Vary thermal conductivity to see how heat current scales.

Explore how stress depends on applied force for different cross-sectional areas.

Vary Young's modulus and observe how stress grows linearly with strain in the elastic region.

Plot image distance v as a function of object distance |u| for a converging lens. Spot the singularity at |u| = f.

See how elongation depends on length, area, and Young's modulus.

Vary Young's modulus and wire length; observe how extension scales with applied load.