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Unit: Mechanical properties of solids

Stress, strain, and modulus of elasticity

Learn
Elastic and non elastic materials
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Stress & strain
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Young's modulus of elasticity
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Solved example: Stress and strain
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Solved example: strength of femur
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Stress vs strain curve
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Shear and bulk stress

Learn
Shear stress and strain
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Shear modulus
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Bulk stress and strain
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Solved example: pressure needed to compress water
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Solved example: percentage change in density
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Application of elastic properties (Bonus)

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