Introduction to Newton's Laws of Motion

Physics is the study of matter, energy, and the interactions between them. In this lesson, we'll explore Newton's Laws of Motion.


Table of Contents

  1. Newton's First Law
  2. Newton's Second Law
  3. Newton's Third Law
  4. Sample Problems
  5. References

Newton's First Law

An object at rest stays at rest and an object in motion stays in motion unless acted upon by an external force.


Newton's Second Law

Newton's Second Law relates force, mass, and acceleration:

$$ F = m \cdot a $$

Where:

Example Calculation: