Differences between revisions 5 and 9 (spanning 4 versions)
Revision 5 as of 2012-08-01 19:25:59
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Revision 9 as of 2018-07-18 16:23:48
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Editor: srnarf
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Deletions are marked like this. Additions are marked like this.
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||<:30%>[:PiraScheme#Mechanics: Table of Mechanics Demonstration]||<:30%>[:MEEquipmentList: List of Mechanics Equipment & Supplies]||<:30%>[:Demonstrations:Lecture Demonstrations]|| ||<30%  style="text-align:center">[[PiraScheme#Mechanics|Table of Mechanics Demonstration]] ||<30%  style="text-align:center">[[MEEquipmentList|List of Mechanics Equipment & Supplies]] ||<30%  style="text-align:center">[[Demonstrations|Lecture Demonstrations]] ||
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'''Topic and Concept:'''
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'''Topic and Concept:'''
 
Motion in Two Dimensions, [:MotionIn2D#CentralForces: 1D50. Central Forces]
 . Motion in Two Dimensions, [[MotionIn2D#CentralForces|1D50. Central Forces]]

'''pira200 Listed'''
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 * '''Cabinet:''' [:MechanicsCabinet:Mechanic (ME)]
 * '''Bay:''' [:MechanicsCabinetBayA2:(A2)]

* '''Cabinet:''' [[MechanicsCabinet|Mechanic (ME)]]
 * '''Bay:''' [[MechanicsCabinetBayA2|(A2)]]
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attachment:Ball03-400.jpg {{attachment:Ball03-400.jpg}}
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||<:style="width: 60%" :40%>'''Equipment'''||<:30%>'''Location'''||<:25%>'''ID Number'''||
||<40% style="&quot; ;text-align:center">'''Equipment''' ||<30%  style="text-align:center">'''Location''' ||<25%  style="text-align:center">'''ID Number''' ||
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||Tennis Ball w/Attached String (2)||ME, Bay A2, Shelf #1|| ||
||<:-3>Also can be found with in room tact cabinet||

'''''Important Setup Notes:'''''
 * Please use the Tennis Ball ones only! The brass and wood balls, are for hand-held pendulums and can be dented if smacked around.
||Tennis Ball w/Attached String (2) ||ME, Bay A2, Shelf #1 || ||
||||||<style="text-align:center">Also can be found with in room tact cabinet ||
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'''Setup and Procedure:'''

'''''Important Setup Notes:'''''

 * Please use the Tennis Ball ones only! The brass and wood balls, are for hand-held pendulums and can be dented if smacked around.

'''Setup and Procedure:'''
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'''Discussion:'''
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'''Discussion:'''
When swinging the ball, which gives it momentum however, the ball is unable to travel in a straight line. The string puts a tension on the ball causing it to arc around. In other words, the ball is put into a circular trajectory due to the centripetal force being provided by the tension in the string which is proportional to the tangential speed of the ball. To prove the is a central force to the audience, just let go of the string and the ball will travel tangent to the circular trajectory it was on.
When swinging the ball, which gives it momentum, the ball is unable to travel in a straight line. The string puts a tension on the ball causing it to arc around. In other words, the ball is put into a circular trajectory due to the centripetal force being provided by the tension in the string which is proportional to the tangential speed of the ball. To prove the is a central force to the audience, just simply let go of the string. The ball will then travel tangent to the circular trajectory it was on.
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 * [https://www.youtube.com/user/LectureDemostrations/videos?view=1 Lecture Demonstration's Youtube Channel]
* [[https://www.youtube.com/user/LectureDemostrations/videos?view=1|Lecture Demonstration's Youtube Channel]]
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 * [https://en.wikipedia.org/wiki/Central_force Central Forces - Wikipedia]
 * [https://en.wikipedia.org/wiki/Centripetal_force Centripetal Force - Wikipedia]
 * [[https://en.wikipedia.org/wiki/Central_force|Central Forces - Wikipedia]]
 * [[https://en.wikipedia.org/wiki/Centripetal_force|Centripetal Force - Wikipedia]]
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[:Instructional:Home]
[[Instructional|Home]]

Table of Mechanics Demonstration

List of Mechanics Equipment & Supplies

Lecture Demonstrations

Ball on a String, 1D50.10

Topic and Concept:

pira200 Listed

Location:

Ball03-400.jpg

Abstract:

A tennis ball tied to a sting is whirled around in a vertical circle by hand.

Equipment

Location

ID Number

Tennis Ball w/Attached String (2)

ME, Bay A2, Shelf #1

Also can be found with in room tact cabinet

Important Setup Notes:

  • Please use the Tennis Ball ones only! The brass and wood balls, are for hand-held pendulums and can be dented if smacked around.

Setup and Procedure:

  1. Hold the string in hand securely.
  2. Swing the ball into a circular trajectory.

Cautions, Warnings, or Safety Concerns:

  • N/A

Discussion:

When swinging the ball, which gives it momentum, the ball is unable to travel in a straight line. The string puts a tension on the ball causing it to arc around. In other words, the ball is put into a circular trajectory due to the centripetal force being provided by the tension in the string which is proportional to the tangential speed of the ball. To prove the is a central force to the audience, just simply let go of the string. The ball will then travel tangent to the circular trajectory it was on.

Videos:

References:

Home

fw: Ball_on_a_String (last edited 2018-07-18 16:23:48 by srnarf)