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1A50.10 - Radian

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​1A50.10 - Radian

Preview
SelectSelected
Title1A50.10 - Radian
Objective

Demonstrate what a radian is.

StatusAvailable
Assembly Instructions

Pull out the cardboard disk and pink string that is cut to the correct length.  Make sure that the ​string is the length of the radius and of the arc length that is imaged on the disk.

Setup Time5
Operation Time5
Preview Time5
Operation Instructions

A radian is equal to 180/pi (57.3 degrees). It maps out the angle for which the arc length is equal to the radius.  With the provided string, show that it is the length of the radius and that it indeed matches the arc length of an arc that traces out 57.3 degrees.

ExportableYes
Demo on DimeYes
PIRA 200Yes
Export Instructions (if different)
HazardsNone
Analysis/Information
Category1 Mechanics
Subcategory1A - Measurement
Keywordsradians
Construction Information
 
Equipment TitleUse SHIFT+ENTER to open the menu (new window).
  
QuantityUse SHIFT+ENTER to open the menu (new window).
  
Disk - Radian Measurement
1
string - circumference length
1
string - radius length
1