Categorizing a Physics Demonstration

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SUMMARY

The discussion revolves around a physics demonstration involving a series of disks and springs arranged on a fixed rod, designed to illustrate conservation of momentum. The user seeks to categorize this phenomenon and maximize the speed of the top disk upon release. Key concepts mentioned include coupled spring-mass systems and Newton's cradle, which are relevant to understanding the mechanics at play. The user expresses uncertainty about the mechanics of the system and its classification within physics.

PREREQUISITES
  • Understanding of conservation of momentum
  • Familiarity with spring-mass systems
  • Knowledge of Newton's laws of motion
  • Basic principles of energy transfer in mechanical systems
NEXT STEPS
  • Research the mechanics of Newton's cradle and its applications
  • Explore the dynamics of spring-mass systems in detail
  • Study energy transfer and conservation principles in mechanical systems
  • Investigate experimental setups for measuring the speed of projectiles
USEFUL FOR

Physics students, educators, and hobbyists interested in mechanics, conservation laws, and experimental physics demonstrations.

Richardj1701
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ABSTRACT:
I have a collection of springs and disks (masses) to choose from. I have a solid rod fixed to the ground. I slide a piece of sheet metal into the rod to act as a base. I now slide a disk into the rod. Then a spring. Then another disk. Then another spring. And one final disk. I now lift the system (from the sheet metal base) to a desired height. After releasing the system, it drops and we can observe conservation of momentum since the top-most disk will shoot upwards.

GOAL:
Under what category of physics would you place this? I want to know what I have to research in order to analyze the physics behind this reaction. (My end goal is to maximize the speed at which that top most disk flies off.)

ATTEMPTS:
I've looked into coupled, spring-mass systems, but I don't think that this will help me since my system is not so much coupled but sitting on each other.
 
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First quick dirty impression? Newton's cradle.
 
Richardj1701 said:
I now lift the system (from the sheet metal base) to a desired height. After releasing the system, it drops and we can observe conservation of momentum since the top-most disk will shoot upwards.

Perhaps I misunderstand the description but how does dropping the system cause the top disc "shoot upwards"?
 

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