Home Back

Elasticity Calculator Physics Equation

Elasticity Equation:

\[ E = \frac{\sigma}{\varepsilon} \]

Pa
dimensionless

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is the Elasticity Equation?

The Elasticity Equation (E = σ/ε) calculates the modulus of elasticity, which measures a material's resistance to deformation under stress. It is a fundamental concept in material science and engineering mechanics.

2. How Does the Calculator Work?

The calculator uses the Elasticity Equation:

\[ E = \frac{\sigma}{\varepsilon} \]

Where:

Explanation: The equation quantifies the relationship between stress (force per unit area) and strain (deformation per unit length) in elastic materials.

3. Importance of Elasticity Calculation

Details: Calculating the modulus of elasticity is essential for material selection, structural design, and predicting how materials will behave under various loading conditions.

4. Using the Calculator

Tips: Enter stress in Pascals (Pa) and strain as a dimensionless value. Both values must be positive numbers greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: What is the modulus of elasticity?
A: The modulus of elasticity (Young's modulus) is a measure of a material's stiffness and its ability to resist deformation under stress.

Q2: What are typical values for modulus of elasticity?
A: Values vary widely by material: rubber (0.01-0.1 GPa), wood (10-15 GPa), steel (200 GPa), diamond (1000+ GPa).

Q3: When is this equation applicable?
A: This equation applies in the elastic deformation region where stress and strain are proportional (Hooke's Law region).

Q4: Are there limitations to this equation?
A: The equation assumes linear elastic behavior and may not apply to materials with non-linear stress-strain relationships or beyond the elastic limit.

Q5: How does temperature affect elasticity?
A: Generally, modulus of elasticity decreases with increasing temperature as materials become less stiff at higher temperatures.

Elasticity Calculator Physics Equation© - All Rights Reserved 2025