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 Engineering Formulae
  Strength of Materials
 

 

Stress

Forces that tend to stretch, or pull something apart, are known as tensile forces and they produce two important effects:


1. In trying to pull the bolt apart, internal resisting forces are created and these internal forces are known as stress.


2. The length of the bolt will increase, and this change in the boltís dimensions is known as strain.


Stress is calculated by dividing the applied force by the cross-sectional area of the bolt.

Stress Formula

Types of Stress

1. Tensile Stress

2. Compressive Stress

3. Shear Stress

Types of Stress

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