Mechanical Springs

Springs are made to serve their purposes. Extension Spring, Compression Spring, Torsion Spring, Die Spring, Spiral Spring, Spring Clip, Disc Spring, Temple Spring, Wave Spring and Volute Spring are some of the many names for springs.

The Grand Father Clock works with a spring.

Hooke's law states that F = - kx where x is the displacement of the spring's end from its equilibrium position; F is the restoring force exerted by the spring on that end and k is a constant called the rate or spring constant.

An english natural philosopher, architect and polymath, Robert Hooke formulated F = - kx.

Robert Hooke studied the mechanic of timekeeping with a devsed coil spring.

roberthooke.com  

easily get springs at amazon.