Demonstration Motor with Newton Color Disc Physics_Force & Motion Pith balls suspended both inside

Pith balls suspended both inside and outside a charged metal cylinder make visible proof that electrostatic charge resides only on the outer surface of a conductor

showing how current through an iron core builds magnetic flux in student investigations

measuring period under different loads to isolate mass from weight

5cm coil diameter on a 5cm closed-length helix

proof plane

Demonstration Motor with Newton Color Disc Physics_Force & Motion Pith balls suspended both insideUsed to spin the Newton disc into a perceived white via persistence of vision, this demo motor on a molded ABS base operates at 6 8V to demonstrate visible spectrum color mixing.