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Size: 1796
Comment:
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Size: 2089
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
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'''Concept Table: [:Newtons1STLaw#InertiaofRest: 1F20. Inertia of Rest]''' |
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| '''Description:''' | '''Abstract:''' |
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| AKA beaker and cloth. Pull the tablecloth out from under a place setting or a beaker of water and observe that the item or items remain on the table, illustrating Newton's first law. | AKA Beaker and Cloth. Pull the tablecloth out from under a place setting or a beaker of water and observe that the item or items remain on the table, illustrating Newton's first law. |
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| ||tablecloth||ME, Bay A7, Shelf #5|| || ||2 Liter beaker||ME, Bay A7, Shelf #5|| || |
||Tablecloth||ME, Bay A7, Shelf #5|| || ||Two-Liter Beaker||ME, Bay A7, Shelf #5|| || |
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| '''Setup:''' | '''Setup and Procedure:''' |
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| 2. Partially fill a beaker with water. Add food coloring to water if desired. | 2. Partially fill a beaker with water. Add food coloring to water for contrast. |
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| * Make sure the cloth being used is free of seams or other defects that could trip the beaker. | |
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| 1.With a quick jerking motion, pull the tablecloth out from under the beaker. | With a quick decisive jerking motion, one pull the tablecloth out from under the beaker or something that has weight. |
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| * N/A | * [http://sprott.physics.wisc.edu/demobook/intro.htm Clint Sprott] |
[:PiraScheme#Mechanics: Table of Mechanics Demonstration] |
[:MEEquipmentList: List of Mechanics Equipment & Supplies] |
[:Demonstrations:Lecture Demonstrations] |
Tablecloth Pull, 1F20.30
Concept Table: [:Newtons1STLaw#InertiaofRest: 1F20. Inertia of Rest]
Location:
Cabinet: [:MechanicsCabinet:Mechanic (ME)]
Bay: [:MechanicsCabinetBayA7:(A7)]
Shelf: #5
attachment:BeakerOnCloth02-400.jpg
Abstract:
AKA Beaker and Cloth. Pull the tablecloth out from under a place setting or a beaker of water and observe that the item or items remain on the table, illustrating Newton's first law.
Equipment |
Location |
ID Number |
|
|
|
Tablecloth |
ME, Bay A7, Shelf #5 |
|
Two-Liter Beaker |
ME, Bay A7, Shelf #5 |
|
Important Setup Notes:
This demo will require practice.
Setup and Procedure:
- Place the tablecloth on a table.
- Partially fill a beaker with water. Add food coloring to water for contrast.
- Place beaker on and near an edge of the tablecloth.
Cautions, Warnings, or Safety Concerns:
- Make sure to perform this demo with adequate distance from the audience to prevent exposure to flying glass in the event of a failed demo.
- Make sure the cloth being used is free of seams or other defects that could trip the beaker.
Demonstration:
With a quick decisive jerking motion, one pull the tablecloth out from under the beaker or something that has weight.
attachment:BeakerCloth04-250.jpg |
attachment:Beaker01-250.jpg |
attachment:Cloth02-250.jpg |
Videos
[http://youtu.be/gfEvFtQWvUY Tablecloth Pull, 1F20.30]
[https://www.youtube.com/user/LectureDemostrations/videos?view=1 Lecture Demonstration's Youtube Channel]
References:
[http://sprott.physics.wisc.edu/demobook/intro.htm Clint Sprott]
[:Instructional:Home]