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Physics · 210–279 · 20 concepts

University Physics

Reasoning-first University physics: 20 concepts, each with a clear explanation, a fully worked example, and self-check questions.

Practice at this level — free

Classical mechanics

Vectors & kinematics (calculus-based)Newtonian dynamicsRotational motion & torqueAngular momentumStatics & equilibriumFluid mechanics

Waves & thermodynamics

Oscillations & waves (advanced)Thermodynamics & kinetic theoryStatistical mechanics (intro)

Electromagnetism

Electrostatics & Gauss's lawElectric potential & capacitanceCurrent, resistance & DC circuitsMagnetic fields & forcesElectromagnetic induction & Maxwell's equationsAC circuits

Modern physics

Physical optics (interference & diffraction)Special relativityQuantum mechanics (intro)Atomic & nuclear physicsParticle physics (intro)