Equations · equation

Newton's Second Law

Mechanics · 1687

Equation: F = ma
Field: Mechanics
Named After: Isaac Newton
Symbols: F net force · m mass · a acceleration
Year: 1687

Significance

The workhorse of classical mechanics: push something, and its motion changes in proportion. Rockets, bridges, and billiards all answer to it.

Skills

Turning on a Lathe Rigging a Load with Pulleys Anchoring into Masonry

Theories

Modified Newtonian Dynamics Newtonian Mechanics

Machines

Pelton Wheel Liquid-Propellant Rocket Engine Solid-Propellant Rocket Motor

Related

Hooke's Law Elastic Wave Equation Navier–Stokes Equations Euler–Lagrange Equation Specific Impulse Tsiolkovsky Rocket Equation

Requires

Derivative Momentum and Impulse

Required By

Hydrostatic Pressure Navier–Stokes Equations

Referenced by

equation

Derivative Elastic Wave Equation Euler–Lagrange Equation Hooke's Law Hydrostatic Pressure Momentum and Impulse Navier–Stokes Equations Specific Impulse Tsiolkovsky Rocket Equation

machine

Liquid-Propellant Rocket Engine Pelton Wheel Solid-Propellant Rocket Motor

skill

Anchoring into Masonry Rigging a Load with Pulleys Turning on a Lathe

theory

Modified Newtonian Dynamics Newtonian Mechanics

Open on the Equations shelf — the interactive card, the filters, and everything alongside it.

From the Equations database in Notion, last edited 2026-08-18. This page is the row, rendered by the build; nothing on it is written by hand.