[:PiraScheme#Mechanics: Table of Mechanics Demonstration]

[:MEEquipmentList: List of Mechanics Equipment & Supplies]

[:Demonstrations:Lecture Demonstrations]

Penny and Cotton (AKA Guinea and Feather), 1C20.10

Location:

attachment:PennyCotton-01-400.jpg

Description:

A glass tube contains a piece of cotton ball and a penny. It is fitted with a valve on one end so that it may be attached to a vacuum pump.

Equipment

Location

ID Number

Penny and Cotton Tube

ME, Bay C3, Cubby

1C20.10

Vacuum Pump

ME, Floor Item, South wall

Important Setup Notes:

Setup:

  1. Make a Setup check list.
  2. ...

Cautions, Warnings, or Safety Concerns:

  1. The tube is fragile. Handle with care.

Demonstration:

Show that all objects would fall at the same rate were it not for air resistance. Invert the tube once, and then again when evacuated.

attachment:PennyCotton-06-250.jpg

attachment:PennyCotton-05-250.jpg

References:

  1. List any references

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