EngiRef / Mechanical Engineering Formula
Normal Stress
Normal Stress: Stress is force per unit area acting on a material. A Statics formula in mechanical engineering. Variables σ, F and A, each with SI and imperial…
Statics
Specification
- Name
- Normal Stress
- Discipline
- mechanical
- Category
- Statics
- LaTeX
- \sigma = \frac{F}{A}
- Description
- Stress is force per unit area acting on a material
- Conditions
- Valid for uniform stress distribution over the cross-section
- Can solve for
- σ, F, A
- Tags
- stress, force, area, tension, compression
Variables
| Symbol | Name | Unit | Si Unit | Imperial Unit | Description |
|---|---|---|---|---|---|
| σ | Stress | Pa | Pa | psi | Normal stress |
| F | Force | N | N | lbf | Applied force |
| A | Area | m² | m² | in² | Cross-sectional area |
Common questions
- What is the Normal Stress formula?
- Stress is force per unit area acting on a material. It sits under Statics, Mechanical engineering in the EngiRef reference.
- What do the symbols in the Normal Stress formula mean?
- In Normal Stress, σ is stress in Pa; F is force in N; A is area in m².
- When does the Normal Stress formula apply?
- Normal Stress holds under this condition: Valid for uniform stress distribution over the cross-section.