From Newton's laws and energy conservation to transverse waves and quantum mechanics — a free, comprehensive physics education platform built to make every concept click.
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Physics fundamentals are precise descriptions of how everything moves, stores energy, and interacts. Every branch of science and engineering builds on these foundations.
The three laws governing every force and acceleration. Foundation of all classical mechanics — from billiard balls to rocket trajectories.
Read the guide →Definition, labeled diagram, wavelength, amplitude, frequency, polarization — with real examples from light to guitar strings.
Read the guide →Kinetic, potential, and thermal energy explained. The conservation of energy law and why it is the most important principle in all of physics.
Read the guide →Range, max height, time of flight equations with full worked examples. Why 45° maximises range and common exam mistakes corrected.
Read the guide →The universal wave equation explained from first principles. From sound waves to light — worked examples and Doppler effect.
Read the guide →The principle behind every collision. Elastic vs inelastic collisions, centre of mass, worked examples, and why momentum never disappears.
Read the guide →We're building more than a website — it's a complete learning environment where physics fundamentals become intuitive through interaction, not memorization.
From classical mechanics through electromagnetism to quantum physics — every fundamental concept explained with depth and clarity.
Manipulate variables, observe outcomes, build intuition. Our simulations let you experiment with physics in ways a textbook never could.
Over 1,000 problems ranging from conceptual questions to multi-step calculations, each with detailed step-by-step solutions.
We don't just hand you formulas. Every topic starts with the physical intuition — the 'why' — before introducing the mathematics.
Complex ideas like vector fields, wave interference, and orbital mechanics become clear through carefully designed diagrams and animations.
Quality physics education should never sit behind a paywall. Everything we build — every lesson, simulation, and problem set — is completely free.
Our curriculum covers all physics fundamentals — from the classical mechanics of Newton to the strange world of quantum theory.
Newton's Laws, Kinematics, Momentum
Conservation Laws, Heat Transfer, Entropy
Transverse Waves, Sound, Resonance
Electric Fields, Circuits, Maxwell's Equations
Reflection, Refraction, Diffraction, Lenses
Special Relativity, Quantum Mechanics, Nuclear
Physics fundamentals are the core laws and principles describing how the universe behaves at every scale. Mastering them is the single most effective investment any science or engineering student can make.
Classical mechanics begins with Newton's three laws. The first establishes inertia. The second (F = ma) quantifies how force produces acceleration. The third explains action–reaction pairs. Together they predict projectile trajectories, satellite orbits, and forces in every engineered structure.
All Mechanics Articles →Wave physics governs how energy propagates. Transverse waves — oscillation perpendicular to propagation — include all electromagnetic radiation. The wave equation v = fλ connects speed, frequency, and wavelength for every wave type in the universe.
All Waves Articles →Energy is the central concept connecting all physics. Conservation of energy — it cannot be created or destroyed, only transformed — is one of the deepest truths in science. The first law of thermodynamics applies this to heat and work.
All Thermodynamics Articles →Conservation laws are the deepest principles in physics. Conservation of momentum governs every collision. Newton's law of gravitation describes the force between any two masses — from dropping a ball to the orbit of the Moon. These are exact laws with no known exceptions.
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Every article, topic, author, and resource — all in one place for easy discovery.