Newton's second law calculator
Calculate force, mass or acceleration using Newton's second law F = m · a.
Force (F)
20 N
F = m · a
Force (F)20 N
Mass (m)10 kg
Acceleration (a)2 m/s²
Calculations are based on Estonia's tax rates in force for 2026. Results are informational.
Last updated: 2026-06-03
What is Newton's second law?
Newton's second law states that the force on a body equals its mass times acceleration: F = m · a. Knowing two values, you can calculate the third: m = F / a, a = F / m.
How it is calculated
Formula
Newton's second law F = m × a (force = mass × acceleration). m = F ÷ a; a = F ÷ m. Units: N, kg, m/s².
Example
m = 10 kg, a = 2 m/s² → F = 20 N.
Frequently asked questions
What is Newton's second law?+
It states that force equals mass times acceleration: F = m × a.
What units does the result use?+
Force in newtons (N), mass in kilograms (kg), acceleration in m/s². 1 N = 1 kg·m/s².