Coil spring 20 N/m, D approx. 12 mm

For experiments to measure force, to prove Hooke's law (elongation of a coil spring), for experiments on the period of oscillation and resonance of the spring pendulum and for dynamic measurement of the spring constant;
Coil spring with hooks at both ends
Material: Hardened steel
Load: max. 15.0 N
Extension: max. 75 cm
Dimensions: L=approx. 180 mm, D=12 mm
Mass: approx. 33 g