What is Stress?

Stress is defined as the degree of resistance per unit area provided by a body against deformation.The outward force that acts on the body is called the load or force.

Mathematically stress is written as, σ=P/A

Where,A=cross-sectional area

P=external force

σ=stress

Types of Stress?

- Normal stress.
- Shear stress.

Normal Stress :-

Normal stress is the stress that operates in a perpendicular direction to the region. It is represented by σ.

There are 2 types-

- Tensile stress
- Compressive stress

Tensile Stress :-

If exposed to two equal and opposite pulls, which is an increase in length, the tension caused a body is known as tensile stress. The tensile stress acts similarly to the area and forces it over the area.

Compressive Stress :-

The stress induced in a body when it is subjected to two equal and opposite pushes which decrease in body length is called compressive stress.

Shear Stress :-

Shear stress is known as the stress caused in a body when exposed to two equal and opposite forces that function tangentially across the resistant area that the body tends to shave across the area.

Mathematically

τ=R/A

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