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Stiffness coefficient, ie stubborn coefficient (elastic coefficient). It describes the magnitude of the elastic force produced when a unit of deformation occurs. The larger the value of k, the larger the force required to deform the unit length, or the "toughness" of the spring. The stiffness coefficient is also called the stiffness coefficient or the stubborn coefficient. The stiffness coefficient is numerically equal to the spring force when the spring is extended (or shortened) by a unit length.
Among them, F is the elastic force, k is the stiffness coefficient, △x is the spring deformation
The stubborn coefficients of the two extension springs are k1 and k2, respectively.
After two tension springs are connected in series
k string=(k1×k2)/(k1+k2)
After two tension springs are connected in parallel, mg=F1+F2=(K1+K2)X
k and = k1+k2
Within the elastic limit, the elastic force of the extension spring can be obtained by F=kX, where x is the length of the extension of the spring; k is the stiffness coefficient, which represents a property of the extension spring. Its value is related to the material of the extension spring, and the tension The thickness of the extension spring wire, the diameter of the extension spring coil, the number of turns per unit length and the original length of the extension spring are related. Under certain other conditions, the longer the tension spring, the more turns per unit length, and the smaller the k value.
k is also related to temperature. When other conditions are fixed, the lower the temperature, the larger the k is.
