Physics on Khan Academy

Introduction to physics

Displacement, velocity, and time

Acceleration

Kinematic formulas and projectile motion

Old videos on projectile motion

Two-dimensional projectile motion

Optimal angle for a projectile

Newton's laws of motion

Normal force and contact force

Balanced and unbalanced forces

Slow sock on Lubricon VI

Inclined planes and friction

Tension

Treating systems

Work and energy

Springs and Hooke's law

Mechanical advantage

Circular motion and centripetal acceleration

Centripetal forces

Newton's law of gravitation

Rotational kinematics

Torque, moments, and angular momentum

Density and Pressure

Buoyant Force and Archimedes' Principle

Fluid Dynamics

Charge and electric force (Coulomb's law)

Electric field

Electric potential energy, electric potential, and voltage

Ohm's law and circuits with resistors

Circuits with capacitors

Magnets and Magnetic Force

Magnetic field created by a current

Electric motors

Magnetic flux and Faraday's law

Temperature, kinetic theory, and the ideal gas law

Specific heat and heat transfer

Laws of thermodynamics

Simple harmonic motion

Simple harmonic motion (with calculus)

Introduction to mechanical waves

Sound

The Doppler effect

Wave interference

Introduction to electromagnetic waves

Interference of electromagnetic waves

Reflection and refraction

Mirrors

Lenses

Michelson and Morley's luminiferous ether experiment

Minkowski spacetime

Lorentz transformation

Einstein velocity addition

Photons

Atoms and electrons

Quantum numbers and orbitals

Nuclear physics

Momentum and Impulse

Elastic and inelastic collisions

Center of mass

AP Physics 1 concept review

AP Physics 1 free response questions 2015

Scale of earth, sun, galaxy and universe

Time scale of the cosmos

Light and fundamental forces

Big bang and expansion of the universe

Discovery of magnetism

Discovery of magnetic fields

Measuring magnetic fields

Discovery of batteries

Discovery of electromagnetism

Discovery of resistors

Electric motor

Electrostatics

Projectile launcher

Thermo can

Simple machines explorations

Life and death of stars

Quasars and galactive collisions

Stellar parallax

Cepheid variables

Plate tectonics

Seismic waves and how we know earth's structure

Earth's rotation and tilt

History of life on earth

Humanity on earth

Measuring age on earth

Life in the universe