Circular Motion Rotational Axis

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Homework Help Overview

The discussion revolves around the concept of angular velocity in the context of circular motion, specifically comparing two children positioned at different distances from the rotation axis on a merry-go-round.

Discussion Character

  • Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants explore whether both children have the same angular velocity and question the implications of their positions relative to the rotation axis. There is an emphasis on the need for clarity regarding the scenario in which the children are situated.

Discussion Status

The discussion includes attempts to clarify the relationship between distance from the rotation axis and angular velocity. Some participants suggest that both children have the same angular velocity if they are on the same rotating platform, while others seek further specification of the scenario.

Contextual Notes

Participants note that the problem lacks specific details about the motion of the children, which may influence their angular velocities. The context of being on a merry-go-round is established, but further assumptions are questioned.

woaini
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Homework Statement



Child P happens to be at a greater distance from the rotation axis than Child M. Which child has the greatest angular velocity?


2. The attempt at a solution

Do they have the same angular velocity, and if they do can you please explain. Thank you.
 
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woaini said:

Homework Statement



Child P happens to be at a greater distance from the rotation axis than Child M. Which child has the greatest angular velocity?


2. The attempt at a solution

Do they have the same angular velocity, and if they do can you please explain. Thank you.

It really depends a lot on what Child M and Child P are doing. If they are stuck on a disk rotating around the axis at some angular velocity ω, then their angular velocities are both ω, right? The question really has to be more specific than that.
 
They are both on the same merry-go round so I assume their angular velocities are both ω, is this correct?
 
woaini said:
They are both on the same merry-go round so I assume their angular velocities are both ω, is this correct?

Yes, it is.
 

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