Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Equations are mathematical expressions that represent relationships between different variables. In physics, equations are used to describe various physical phenomena and solve problems.
Related terms
Kinematic Equations: These are a set of equations used to describe motion in terms of displacement, velocity, acceleration, and time.
Newton's Second Law Equation (F = ma): This equation relates force (F), mass (m), and acceleration (a) for an object.
Einstein's Mass-Energy Equation (E = mc²): This famous equation shows the equivalence between mass (m) and energy (E).