AP Physics Problem-Solving and Exam Preparation
A guided, multi-course journey that builds this skill from the ground up. Work through the chapters in order, or jump to any lesson.
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Physics Models, Systems, and What Earns PointsFree-Body Diagrams as Interaction MapsKinematics Graphs as Slope-and-Area StoriesEnergy Bar Charts and When Conservation Claims Are LegalMomentum and Impulse Diagrams for Short InteractionsEquation-Sheet Mapping, Sign Conventions, and Rubric-Ready Justification
Motion Stories and Minimal RepresentationsSlope and Area Meaning in x–t, v–t, and a–t GraphsConstant-Acceleration Problem Solving With Clean Sign ConventionsTwo-Dimensional Motion as Independent ComponentsProjectile Motion Under the No-Air-Resistance ModelVelocity vs Acceleration Direction and the Turning-Point TrapThe Calculus Lens, Relative Motion Caution, and AP-Style Graph FRQ Reasoning
Free-Body Diagrams as the Bridge From Story to ModelNewton’s Third-Law Pairs and Why They Do Not CancelComponent Newton’s Second Law and Sign-Conventions That Survive AlgebraFriction Models: Static vs Kinetic and “Opposes Slipping”Inclined Planes and the Normal Force as a Consequence, Not a GivenConnected Bodies and Constraint Reasoning With System BoundariesUniform Circular Motion as an Acceleration Model, Not a New ForcePhysics C Extension: Net Force as the Cause of Changing VelocityAP-Style Force-Model Drills: MCQ Discrimination, FRQ Setups, and Error Analysis
System Definition and Energy Stores as BookkeepingEnergy Bar Charts as Qualitative Prediction ToolsConservation of Mechanical Energy With Kinetic and Potential TermsWork as Energy Transfer and the Meaning of Negative WorkNonconservative Transfers, Friction, and Mechanical Energy LimitsPower as a Rate and the Force–Velocity ConnectionPotential Energy as a System Quantity and Not Electric PotentialWork as Area Under an F–x Graph and Rubric-Ready Energy Setups
Momentum Conservation as a System-Isolation DecisionBefore-and-After Momentum Diagrams and Component Sign ConventionsImpulse as Momentum Change and as Area Under an F–t CurveCollision Types in One Dimension and What Is ConservedTwo-Dimensional Momentum Conservation With ComponentsCombining Momentum and Energy Methods in Multi-Step InteractionsAP-Style Momentum Setup, Conserved-Quantity MCQ Triage, and Error Analysis
Torque as the Turning Effect of a ForceChoosing a Pivot to Simplify Rotational EquationsAngular Kinematics and the Radius Link to Linear MotionAngular Rates as Derivatives in the Calculus Extension LaneMoment of Inertia as a Model Parameter From the Equation SheetSolving Rotational Dynamics With Στ = IαTorque and Centripetal Force Without Inventing a New ForceAP-Style Torque Setup Under MCQ and FRQ Constraints
Rotational Kinetic Energy and the Rolling ConstraintAngular Momentum Conservation as an External-Torque TestChoosing Among Torque Dynamics, Energy, and Angular MomentumSimple Harmonic Motion as a Restoring-Force ModelSHM Period Rules for Springs and PendulumsMixed Rotation and SHM Exam Practice With Rubric-Ready Setups
Pressure as Force per Area and the Pressure–Depth ModelPressure at Depth, Absolute vs Gauge, and Comparison ReasoningBuoyant Force From Pressure Differences and Displaced FluidBuoyancy Misconceptions and Diagram-First MCQ ReasoningContinuity as Conservation of Flow Rate in Steady Incompressible FlowBernoulli’s Equation as a Limited Energy Model and FRQ-Style Justification
Internal Energy, Heat, and Work as Bookkeeping QuantitiesPV Diagrams and Work by AreaThe First Law With a Single Sign ConventionPath Dependence and Cycles on PV DiagramsQualitative Process Comparisons in Compression and ExpansionAlgebra-Based First-Law Problem Routines at AP ScopePV Interpretation Drills and a Rubric-Ready First-Law FRQ Mini
The Electric Field as a Map of Cause and DirectionSuperposition for Net Electric Field in 1D and 2DForce, Field, Potential, and Potential Energy as Distinct QuantitiesPotential Difference as an Energy-Per-Charge ShortcutElectrostatics Sign Logic and Common MisconceptionsElectric Field and Potential Graphs as Slope and Area StoriesGauss’s Law as a Symmetry Shortcut for Electric Fields (Physics C Lane)Keeping Gauss’s Law in AP Scope and Avoiding Field-Theory DriftElectrostatics Tool Selection and Rubric-Ready Setups
Electrostatic Equilibrium in Conductors and the Meaning of a CapacitorCapacitance, Potential Difference, and Energy Storage Without Formula MemorizationCircuit Schematics as Conservation Diagrams for Charge and EnergyKirchhoff Loop and Junction Reasoning as a Solving ProtocolElectrical Power and Energy Transfer in Circuit ElementsMisconception Triage in DC Circuits: Direction, Series-Parallel, and Potential LanguageMagnetic Fields and Force Direction: Right-Hand Rules With v×BMagnetic Force vs Magnetic Field: When the Force Is Zero and Why No Work Is DoneMagnetic Flux and Faraday–Lenz Sign Logic From Mental MoviesMixed Circuits–Magnetism–Induction Practice With MCQ Selection and an FRQ Micro-Part