Coil spring 10 N/m D approx. 16 mm

To prove Hooke's law, for experiments on the spring pendulum and to visualise a harmonic oscillation;
Coil spring with attachment loops at both ends
Material: Hardened steel
Load: max. 3.5 N
Extension: max. 35 cm
Dimensions: L=approx. 22 mm, D=16 mm
Mass: approx. 5 g