Hooke's Law

Hooke’s Law states that the force exerted by a spring is directly proportional to how much it is stretched or compressed, provided the deformation stays within its elastic limit. Mathematically, it’s expressed as F = -kx, where F is the force, k is the spring’s stiffness (a constant), and x is the displacement from its resting position. This means that the harder you pull or push a spring, the stronger the force it exerts to return to its original shape. Once stretched or compressed beyond its elastic limit, the spring may not follow this law and could deform permanently.