Learning path · Physics

Mechanics Foundations

Connect position, velocity, force, and energy into a coherent account of motion.

3 articles
OrientationFoundationsCore Concepts
Begin with Velocity Is Change with Direction →
  1. 01
    Orientation

    Velocity Is Change with Direction

    How position becomes velocity, why speed is not enough, and what a motion graph is really saying.

  2. 02
    Foundations

    Newton’s Second Law Connects Force to Motion

    Why forces change momentum—and when the familiar equation F = ma tells the whole story.

    Requires: Velocity Is Change with Direction

  3. 03
    Core Concepts

    Energy Is Nature’s Accounting System

    Why conservation of energy is more than a formula—and how it simplifies motion.

    Requires: Newton’s Second Law Connects Force to Motion