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The spring dynamometer is a device for measuring a force. One possibility of its construction is using the deformation of a spring to determine the degree of a force. Depending on the application, the shape and stiffness of the spring is selected. The principle of the dynamometer is based on the Hook's law saying, that the greater force is applied, the greater the deflection and the divergence of the scale will be.
In a model situation, we can observe the change in spring extension, depending on the total suspended weight. The scale is calibrated in SI units of Newtons (N).
