Physics simulations
31 interactive Physics simulations for ages 11–18, grouped by topic.
Measurement & Uncertainty
Kinematics
- Physics · Kinematics Projectile Motion at an Angle Launch an object with initial speed v0 at angle α to the horizontal, under gravitational acceleration g. Watch the trajectory, the range... Ages 15–16
- Physics · Kinematics Free fall and fall with air resistance Two objects of different mass and cross-section are dropped together from the same height. With drag off, both hit the ground at the... Ages 15–16
Forces & Dynamics
- Physics · Forces & Dynamics Hooke's law and liquid pressure Left: a spring of stiffness k holds a hanging mass m, stretching by Δl = mg/k; pull the mass down and release it to see it oscillate... Ages 15–16
- Physics · Forces & Dynamics Newton's second law – pulling a block on a surface Pull a block of mass m with force F along a horizontal or inclined surface with friction μ. Watch the force vectors (F, P, N, Fms), the... Ages 15–16
- Physics · Forces & Dynamics Centripetal force – uniform circular motion on a string A mass m tied to a string of length R moves in uniform circular motion with angular speed ω (viewed from above). The velocity vector is... Ages 15–16
Energy & Momentum
- Physics · Energy & Momentum Conservation of mechanical energy – object sliding on a curved track An object of mass m is released from height h, slides down a curved track, and climbs up the other side. Bars for kinetic energy Ek,... Ages 15–16
- Physics · Energy & Momentum Lifting Machines on the Job – Work, Power, Efficiency A construction-site crane, a farm hoist, or a passenger lift raises a load to height h. Adjust the mass, height, lifting speed, and... Ages 15–16
- Physics · Energy & Momentum Air track collisions – conservation of momentum Two carts of mass m₁ and m₂ move with velocities v₁ and v₂ on an air track, then collide either elastically or inelastically (sticking... Ages 15–16
Gravitation & Astronomy
- Physics · Gravitation & Astronomy Earth and the sky – solar altitude by latitude and season Earth's axis is tilted 23.5°, so the Sun's noon altitude and the length of day change with latitude and with the day of the year. Choose... Ages 15–16
- Physics · Gravitation & Astronomy Gravitational field and satellite orbits Change the orbital radius of a satellite around Earth to see how the gravitational field strength g = GM/r², orbital speed and period... Ages 16–17
Oscillations & Waves
- Physics · Oscillations & Waves Spring pendulum – simple harmonic motion A mass m attached to a spring of stiffness k is pulled out to amplitude A and released. Watch the mass oscillate and the displacement... Ages 16–17
- Physics · Oscillations & Waves Radio wave modulation – AM and FM An audio-frequency signal cannot travel far on its own, so it must be carried by a high-frequency carrier wave. Adjust the signal... Ages 16–17
- Physics · Oscillations & Waves Standing waves on a string A string of length l has either both ends fixed or one end free. Change the vibrator frequency and wave speed to find the frequencies... Ages 16–17
Thermal Physics & Gases
- Physics · Thermal Physics & Gases Thermal equilibrium – dropping a hot object into water Object 1 (metal, water, or ice at 0 °C) with mass m₁ at temperature T₁ is dropped into water of mass m₂ at T₂ inside a calorimeter. Heat... Ages 17–18
- Physics · Thermal Physics & Gases Boyle's law – isothermal gas compression Pull or push a piston in a sealed cylinder at constant temperature. The measured pressure always satisfies p·V = constant; the p–V graph... Ages 17–18
- Physics · Thermal Physics & Gases Ideal gas – pV = nRT in a cylinder Gas molecules move randomly inside a cylinder fitted with a piston. Drag the piston to change the volume, slide the temperature bar to... Ages 17–18
- Physics · Thermal Physics & Gases Specific heat capacity – heating different materials The same heat source of power P heats two different materials. Since the heat transferred is Q = m·c·Δt, a material with a large... Ages 17–18
Electricity & Circuits
- Physics · Electricity & Circuits Physics 11 Electives – gravitational field, radio waves, electronics Three Physics 11 elective topics in one template, switched with the topic parameter. Gravitational field: drag to change a satellite's... Ages 16–17
- Physics · Electricity & Circuits Ohm's law for a complete circuit – internal resistance A closed circuit made of a source (EMF E, internal resistance r) and a rheostat R. Drag the slider directly on the circuit diagram to... Ages 16–17
- Physics · Electricity & Circuits Diode Rectifier Circuit A diode conducts in only one direction, turning an alternating voltage into a bumpy direct voltage. Compare half-wave rectification with... Ages 16–17
- Physics · Electricity & Circuits Series RLC Circuit and Resonance A series R, L, C circuit driven by an AC voltage: graphs of u and i show their phase difference, alongside a phasor diagram and a curve... Ages 17–18
- Physics · Electricity & Circuits Ohm's Law – Two Resistors in Series A source U with two resistors R1 and R2 connected in series. The ammeter reads I = U/(R1+R2); the electrons move faster or slower... Ages 14–15
Electric & Magnetic Fields
- Physics · Electric & Magnetic Fields Electric field – two point charges Two point charges q₁ and q₂ sit a distance d apart. Watch the electric field lines, the Coulomb force F = k|q₁q₂|/r² between the... Ages 16–17
- Physics · Electric & Magnetic Fields Magnetic force on a current and on charged particles Wire mode: a wire segment of length l carrying current I sits in a uniform magnetic field B at angle α; the magnetic force F = BIl·sinα... Ages 17–18
Quantum & Nuclear Physics
- Physics · Quantum & Nuclear Physics Physics 12 topics – AC circuits, medical imaging, quantum physics Three Grade 12 physics topics in one simulation, chosen with the topic parameter. Alternating current: a series R, L, C circuit with... Ages 17–18
- Physics · Quantum & Nuclear Physics Photoelectric effect and light quanta Shine light of adjustable wavelength on different metals. Electrons are ejected only when the photon energy hf exceeds the work function... Ages 17–18
- Physics · Quantum & Nuclear Physics Radioactive decay – decay law and half-life N₀ parent nuclei (red) decay randomly into daughter nuclei (grey), each with the same decay probability per unit time. The graph plots... Ages 17–18
- Physics · Quantum & Nuclear Physics X-rays in Medical Diagnosis – Tissue Absorption An X-ray beam passes through different tissue layers: soft tissue absorbs little, bone absorbs much more, giving the image on the film... Ages 17–18
Physics & the Environment
- Physics · Physics & the Environment The greenhouse effect and Earth's energy balance Whether Earth warms or cools depends on the balance between the solar energy it absorbs and the infrared radiation it emits. Adjust the... Ages 15–16
- Physics · Physics & the Environment Physics 10 electives – physics at work, Earth and sky, physics and the environment Three Physics 10 elective topics in one simulation, switchable with the topic parameter. Physics at work: a lifting machine from... Ages 15–16
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