Learn AP Physics From Scratch

15+ Free AP Physics 1 articles, written by Jason, teacher of 30,000+ students. Free videos, worked examples, and practice problems.

For our high achievers, we created a separate Learn Physics From Scratch Course. It includes 75+ hours of video lessons, auto-graded practice sets, and full AP unit exams, all on a beautifully designed learning platform. Learn all of physics in 100 days or less, guaranteed. Explore the course

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Unit 1 | Kinematics

About 8 hrs

  1. Unit 1.1 | Understanding vectors and the standard units used in Physics

    • 10 practice problems
    • 2 videos
    • 2 equations

  2. Unit 1.2 | Variables in Kinematics: Displacement, Velocity, and Acceleration

    • 25 practice problems
    • 1 videos
    • 4 equations

  3. Unit 1.3 | Kinematic graphs made simple

    • 16 practice problems
    • 1 videos
    • 3 equations

  4. Unit 1.4 | Applying Kinematic Equations in 1 Dimension Easily

    • 17 practice problems
    • 1 videos
    • 4 equations

  5. Unit 1.5 | Solving Projectile Motion (Motion in 2 Dimensions)

    • 10 practice problems
    • 2 videos
    • 2 equations

Unit 2 | Dynamics

About 10 hrs

  1. Unit 2.1 | Understanding and Applying Newton’s Law in Depth

    • 13 practice problems
    • 1 videos
    • 1 equations

  2. Unit 2.2 | Common Linear Forces in Physics

    • 5 practice problems
    • 1 videos
    • 4 equations

  3. Unit 2.3 | Drawing FBD (Force Diagrams) Quickly and Accurately

    • 10 practice problems
    • 1 videos
    • 1 equations

  4. Unit 2.4 | Easily Solve Any Linear Force Problems and Deriving Equation

    • 20 practice problems
    • 2 videos
    • 4 equations

  5. Unit 2.5 | Advanced Problem Solving – Tension and Elevators

    • 15 practice problems
    • 1 videos
    • 2 equations

  6. Unit 2.6 | Advanced Problem Solving – Objects on Incline Planes

    • 9 practice problems
    • 4 videos
    • 1 equations

  7. Unit 2.7 | Problem Solving – Simple Pulley Systems

    • 10 practice problems
    • 1 videos
    • 3 equations

Unit 2.1 | Circular Motion

About 3 hrs

*Circular motion is now combined with Unit 2 as of 2025 revised AP Physics curriculum

  1. Unit 3.1 | Understanding Circular Motion and Centripetal Forces

    • 6 practice problems
    • 0 videos
    • 4 equations

  2. Unit 3.2 | Solving Circular Motion Problems using FBDs

    • 10 practice problems
    • 1 videos
    • 4 equations

  3. Unit 3.3 | The Gravitational Force

    • 5 practice problems
    • 1 videos
    • 3 equations

  4. Unit 3.4 | Combining circular motion and gravitation (satellites, orbits, & more)

    • 8 practice problems
    • 2 videos
    • 3 equations

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