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Examples of Robert Hooke's Law

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Published on Nov 27, 2012

Here are a few modern examples of Robert Hooke's Law.

Hooke's law of elasticity is an approximation that states that the extension of a spring is in direct proportion with the load applied to it. Many materials obey this law as long as the load does not exceed the material's elastic limit. Hooke's law in simple terms says that stress is directly proportional to strain. Mathematically, Hooke's law states that
F= -kx

x is the displacement of the spring's end from its equilibrium position (a distance, in SI units: metres);
F is the restoring force exerted by the spring on that end (in SI units: N or kg·m/s2); and
k is a constant called the rate or spring constant (in SI units: N/m or kg/s2).

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