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Mechanical properties of solids

Stress, strain, and modulus of elasticity

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Elastic and non elastic materials Stress & strain Young's modulus of elasticitySolved example: Stress and strainSolved example: strength of femurStress vs strain curve

Shear and bulk stress

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Shear stress and strain Shear modulus Bulk stress and strain Solved example: pressure needed to compress waterSolved example: percentage change in density

Application of elastic properties (Bonus)

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Why use I beams in construction? How to strengthen concrete? How tall can mountains get?

About this unit

Whether you want to build a small house or a big bungalow, a small bridge or a giant sea link, understanding the elastic properties of materials is the key. In this unit, we will explore some of these elastic properties and look at some engineering applications.