Simple Machines Wedge Model Material_Aluminum 5V DC fan motor with

5V DC fan motor with a blue plastic blade on a 3

and resonance relationships

Wooden fulcrum-balance simple-machine model with a sliding pivot

Polypropylene round test tube rack holding 12 tubes — four at 25 mm and eight at 19 mm — with 360-degree access for benchtop chemistry demonstrations and student experiments

Borosilicate glass equilibrium-tube apparatus with four connected shapes — straight

Simple Machines Wedge Model Material_Aluminum 5V DC fan motor withUsed to demonstrate how a wedge multiplies force during splitting, this wooden simple machine model lets students measure input effort against output splitting force at different wedge angles.