Metal Ball & Ring: What Happens When Heated?

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    Ball Metal Ring
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Discussion Overview

The discussion centers on the behavior of a metal ball and a metal ring when subjected to heating, specifically exploring the effects of thermal expansion on both objects. The scope includes conceptual reasoning and technical explanations related to thermal expansion principles.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant suggests that heating the ring will allow the ball to pass through, as the ring will expand.
  • Another participant argues that the ring will also expand uniformly, maintaining its proportions, which implies that the inner diameter will increase along with the outer diameter.
  • A question is raised regarding the clearance between the ball and the ring, emphasizing the importance of their respective sizes and materials.
  • There is a reiteration that the material of the ball and ring does not matter if they are made of the same metal.

Areas of Agreement / Disagreement

Participants express differing views on the implications of thermal expansion, with some asserting that the ring will allow the ball to pass through upon heating, while others contest this by emphasizing the uniform expansion of the ring's dimensions. The discussion remains unresolved regarding the exact outcomes of heating the ring.

Contextual Notes

Participants mention the need for specific details about the sizes and materials of the ball and ring, which may influence the discussion but are not fully explored.

amanara
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There is a metal ball and a metal ring , through which the metal ball can pass easily. But when the metal ball is heated , it can't pass through the metal ring. What will happen if metal ring is heated?(keeping metal ball normal)
 
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generally ring will expand! so ball can pass through
 
but , the ring should also expand inside according to thermal expansion.
 
amanara said:
but , the ring should also expand inside according to thermal expansion.
No. If the thermal expansion is uniform, it causes an uniform scaling up of all distances, including the inner diameter of the ring. In other words: The ring will keep it's proportions, like the inner radius / outer radius ratio. If the outer radius increases, the inner will do so as well.
 
what is the clearance between the ball (radius) and ring (radius and thickness!) (both being at room temperature).
Ball and ring made of which metal?
 
Rajini said:
Ball and ring made of which metal?

it doesn't matter since they are both made of the same material.
 

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