AP map · Physics Ladder
AP Physics 1: Algebra-Based
A first college course in algebra-based physics: motion, forces, energy, momentum, rotation, oscillations and fluids.
Unit names: AP Physics 1 course page and Course at a Glance (College Board, revised course effective 2024-25), unit list, read October 16, 2026.
Unit 1 Kinematics
10–15% of multiple choice- Position and Displacement on an Axis
- Average Velocity
- Position-Time Graphs
- Instantaneous Velocity
- Acceleration and Its Sign
- Velocity-Time Graphs
- Translating Between Motion Graphs
- The Constant-Acceleration Equations
- Motion Without the Time
- Free Fall
- Thrown Straight Up
- Vectors and Their Components
- Adding Vectors by Components
- Relative Velocity
- Launched Horizontally
- Launched at an Angle
Covers official topics 1.1–1.5 (scalars and vectors, displacement, velocity and acceleration, representing motion, reference frames, motion in two dimensions).
8 mixed questions, with the steps after eachUnit 2 Force and Translational Dynamics
18–23% of multiple choice- Systems and Center of Mass
- Free-Body Diagrams
- Newton's Third Law Pairs
- Equilibrium and the First Law
- Newton's Second Law Along an Axis
- The Normal Force and Apparent Weight
- Forces at Angles
- Inclined Planes
- Newton's Law of Gravitation
- Gravitational Field Strength
- Kinetic Friction
- Static Friction
- Friction on Ramps
- Connected Objects and Tension
- Pulleys and the Atwood Machine
- Spring Forces and Hooke's Law
- Centripetal Acceleration
- Forces in Circular Motion
- Vertical Circles
Covers official topics 2.1–2.9. Banked curves are taught with friction in Mechanics with Calculus (mech.banked-curves).
8 mixed questions, with the steps after eachUnit 3 Work, Energy, and Power
18–23% of multiple choice- Kinetic Energy
- Work by a Constant Force
- Work as Area Under a Force Graph
- The Work-Energy Theorem
- Gravitational Potential Energy of a System
- Elastic Potential Energy
- Gravitational Potential Energy Far from Earth
- Conservation of Mechanical Energy
- Energy Bar Charts
- Friction and Thermal Energy
- Power
Covers official topics 3.1–3.5. Translational kinetic energy itself (½mv²) is first taught in Physical Science.
8 mixed questions, with the steps after eachUnit 4 Linear Momentum
10–15% of multiple choice- Linear Momentum
- Impulse and Change in Momentum
- Conservation of Momentum
- Sticking Collisions
- Elastic and Inelastic Collisions
- Explosions and Recoil
- Motion of the Center of Mass
Covers official topics 4.1–4.4.
8 mixed questions, with the steps after eachUnit 5 Torque and Rotational Dynamics
10–15% of multiple choice- Angle, Angular Velocity and Angular Acceleration
- Rotational Kinematics
- Linking Linear and Rotational Motion
- Torque
- Rotational Inertia
- Rotational Equilibrium
- Newton's Second Law for Rotation
- Pulleys with Mass
Covers official topics 5.1–5.6. Gap: the parallel-axis theorem is taught only in Mechanics with Calculus (mech.parallel-axis), where it builds on integration; an algebra-only version is not yet written.
8 mixed questions, with the steps after eachUnit 6 Energy and Momentum of Rotating Systems
5–8% of multiple choice- Rotational Kinetic Energy and Work by Torque
- Angular Momentum and Angular Impulse
- Conservation of Angular Momentum
- Rolling Without Slipping
- Satellites in Orbit
- Kepler's Second Law: Equal Areas
Covers official topics 6.1–6.6. Torque and work (6.2) is part of phys1.rotational-kinetic-energy, and angular impulse (6.3) part of phys1.angular-momentum. Energy and angular momentum on elliptical orbits are treated in full in Mechanics with Calculus (mech.orbital-energy, mech.kepler-second-from-newton).
8 mixed questions, with the steps after eachUnit 7 Oscillations
5–8% of multiple choice- Simple Harmonic Motion
- Period of a Mass on a Spring
- Period of a Pendulum
- Graphs of Simple Harmonic Motion
- Energy in Simple Harmonic Motion
Covers official topics 7.1–7.4.
8 mixed questions, with the steps after eachUnit 8 Fluids
10–15% of multiple choice- DensityEarth & Space
- Pressure
- Pressure and Depth
- Pascal's Principle and Hydraulics
- Buoyant Force and Archimedes' Principle
- Flow Rate and Continuity
- Bernoulli's Equation
Covers official topics 8.1–8.4. On this ladder fluids open Physics 2, so a learner preparing for AP Physics 1 takes the Fluids unit of Physics 2 as well; density is taught once, in Earth Science (earthsci.density).
8 mixed questions, with the steps after each