Elasticity

principle · 1660 · Early modern era

The ability of a body to regain its shape; Hooke’s law.

Where it is used

• Bow and arrow — is used in. A bow stores the energy of elastic deformation and releases it into the arrow.
• Catapult — is used in. A torsion catapult stored energy in twisted skeins.
• Spring — is used in. A spring works through the elasticity of its material.
• Crossbow — is used in. The energy of an elastic bow.
• Cork — is used in. The elasticity of cork.
• Hairpin — is used in. Elasticity.
• Beam — is used in. Bending.
• Hooke’s law — is used in. Elasticity.
• Torsion balance — is used in. The twisting of a fibre.
• Tennis racket — is used in. Strings.
• Trampoline — is used in. Elasticity.
• Spandex — is used in. Stretchiness.
• Leaf spring — is used in. The leaves bend and spring back.
• Spoke — is used in. Tensioned spokes hold the rim through elasticity.
• Coil spring — is used in. It works through elasticity.
• Torsion bar suspension — is used in. It works in torsion.
• Ball — is used in. Bouncing back thanks to elasticity.
• LEGO bricks — is used in. The grip relies on the elastic deformation of the plastic.
• Surgical forceps — is used in. The jaws open by elasticity.

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