Alnico Bar Magnet with Keepers, Model 0789B Material_Polypropylene The waves generated such are

The waves generated such are demonstrated using linear rope/thread

Adjustable flash-frequency control across this improved stroboscope lets students isolate periodic motion from rotating machinery

preventing blowouts while anchoring the unit against accidental classroom contact

sized for physics force experiments and balance calibration in classroom laboratory sessions

Alnico Bar Magnet with Keepers, Model 0789B Material_Polypropylene The waves generated such arePair of Alnico bar magnets supplied with steel keepers in a cardboard box, the standard configuration for keeping the field intact between classroom magnetism sessions.