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1M40.15 - Pendulum and Peg

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​1M40.15 - Pendulum and Peg

Preview
SelectSelected
Title1M40.15 - Pendulum and Peg
Objective

Demonstrate conservation of energy in a pendulum.

StatusAvailable
Assembly Instructions

Instructions
A pendulum is set up such that its suspension cord strikes a peg just as it passes through the vertical. It is then observed that the bob rises an equal distance from the floor whether the length is shortened by the peg or not due to conservation of energy. The heavy yellow bob works well and it is kept wound up on a rod, so that to be used, it must only be unwound and clamped to a floor stand as shown. Set the peg height to exactly the lecture bench height then release the ball at the bench level. This configuration makes it very easy for the students to see and understand the set up.


Setup Time10
Operation Time
Preview Time
Operation Instructions
ExportableNo
Demo on DimeNo
PIRA 200Yes
Export Instructions (if different)
HazardsNone
Analysis/Information
Category1 Mechanics
Subcategory1M - Work and Energy
Keywordssimple pendulum, work and energy, potential energy
Construction Information
 
  
  
bench clamp
3
bench rod - 10-ft
1
rod - short
2
rod clamp
1
pendulum steel ball mounted on rod
1