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WFU Physics Lecture Demonstrations

Electrostatic Ruler and Cloth

PIRA 5A10.37

Image:

Description:

A charged plastic ruler is tied to a swivel with thread, and hung from a long wood rod (to reduce bleed off, don't use metal). A charged rubber rod will repel an end and the ruler will pivot.

Recipe and
Location:

Ruler on Hanging Pivot
Rubber Rod
Wool
Table Rod
Right Angle Clamp
Wooden Rod

Section C
Section C
Section C
Section J
Section A
Section J

Video:

Streaming Video:

None

MPG Video:

Static Ruler

Real Video:

Static Ruler

Notes:

All the electrostatic demos work better in dry weather (winter).