Coil spring, 3N/m D approx. 35 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, for dynamic measurement of the spring constant and for demonstrating standing longitudinal waves;
Coil spring with hooks at both ends
Material: Hardened steel
Load: max. 4.0 N
Extension: max. 130 cm
Dimensions: L=approx. 75 mm, D=35 mm
Mass: approx. 50 g