Junior seeking help for project.

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Homework Help Overview

The discussion revolves around the principles of Newton's laws of motion, particularly in the context of circular motion and the behavior of water in a rotating container, such as a ferris wheel. Participants explore the implications of centripetal force and the concept of relativity in motion.

Discussion Character

  • Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants discuss the effects of centripetal force on water in a rotating container, questioning how this force influences the water's level and orientation. There is an exploration of the distinction between actual movement and perceived motion due to acceleration.

Discussion Status

The conversation has progressed with some participants clarifying misconceptions about the behavior of water under circular motion. Guidance has been offered regarding the expected orientation of the water in relation to the center of rotation, indicating a productive exchange of ideas.

Contextual Notes

Some participants express uncertainty about their understanding of the concepts, indicating a learning environment where assumptions and definitions are actively questioned.

rob_taylor
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Alrighty, thanks FZ+.
 
Last edited:
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Er... I think you misunderstand Newton's equations here. There is a principle of relativity which states that travel at constant velocity is indistinguishible from being stationary. Thus, you can only measure change in velocity, not actual movement. Circular motion is different...


Secondly, I think that on the ferris wheel, centripetel force would pull the water towards the center of the circle. Wouldn't this express itself as a tilting of the water towards the center though?
No. There is an acceleration on the water towards the center, yes, but that is applied by the sides of the container. The water, by Newton's first law, will move at a tangential velocity until it is accelerated. So you should see an increase in water level away from your centre of rotation, where contact forces are acting to stop your water overflowing...
 
So the water would "tilt" away from the center? I know I'm new at this, so I appreciate your pointers.
 
Yes, it would tilt away, giving a higher water level at the sides and a lower level in the centre.
 
Excellent, this cleared up quite a bit. Thanks very much.
 
Last edited:

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