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Physics

Period of a Mass on a Spring

The period of an ideal mass-spring oscillator increases with mass and decreases with stiffness.

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Source & review

Difficulty

Intermediate

Read time

5 min

Prerequisites

Basic algebra, consistent units, and the stated model assumptions

Review statusNeeds review

Source

OpenStax, College Physics 2e, §16.2 (Paul Peter Urone and Roger Hinrichs)

OpenFormulaGraph equation reference; FormuLab adaptation details and license are provided below.

Adapted from OpenFormulaGraph, under CC BY 4.0.

FormuLab adapted wording, notation, applicability conditions and topic placement, and expanded the numerical check into a worked example.

Definition
Understanding the core concept

The period of an ideal mass-spring oscillator increases with mass and decreases with stiffness. In the linear model, period is independent of oscillation amplitude.

Variables & Units
Understanding each component
SymbolMeaningUnits
Period
Mass
Spring Constant
Real-World Applications
Where this formula is used in practice

Oscillation timing

Estimate one cycle of an ideal spring oscillator.

Mass changes

Compare periods when the effective mass changes.

Worked Example
Step-by-step calculation with real numbers

Problem

Find the period of an ideal oscillator with mass 2 kg and stiffness 200 N/m.

Given

Solution

1
2
3

Final Answer

FormuLab is a study reference. Verify formulas, units, assumptions, and course-specific conventions before relying on them.

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