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you can learn any thing

STRENGTH OF MATERIALS

Material?

Before getting to know what’s strength of material lets know what really material is?

Relationship between Modulus of Elasticity and Modulus of Rigidity

Relationship between young's modulus and shear modulus:

Tensile stress acting on a Body.

THERMAL STRESSES

          

Picture showing Thermal Stresses

Expression for Young's Modulus in terms of Bulk Modulus.

Young's modulus and Bulk modulus relationship:

Cube showing forces acting on it.

BULK MODULUS

Bulk Modulus

Equally acting forces on a body.

Poisson's Ratio

Poisson's Ratio

                 "The ratio of lateral strain to the longitudinal strain is constant for a given material, when a material is stressed with in the elastic limit. This ratio is called 'Poisson's ratio' and it is generally denoted by 'new' "