Building a mini physics motor boat -- Help?

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Discussion Overview

The discussion revolves around the design of a mini physics motor boat, specifically focusing on the direction of propeller rotation (clockwise or counter-clockwise) and its impact on the boat's acceleration and speed. The scope includes conceptual understanding and practical application related to propulsion mechanics.

Discussion Character

  • Exploratory, Conceptual clarification, Debate/contested

Main Points Raised

  • Some participants inquire about the optimal direction of propeller rotation for achieving maximum speed and acceleration.
  • Others express uncertainty and seek clarification on the implications of propeller direction.
  • One participant suggests that the direction of rotation may not matter as long as it aligns with the propeller's design, arguing that the movement of water molecules is what propels the boat.
  • There is a request for more context regarding the problem, including whether it is related to schoolwork.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the importance of propeller rotation direction, with some suggesting it matters for speed and others arguing it does not. The discussion remains unresolved.

Contextual Notes

Participants express a lack of information about the specific context of the problem, which may affect the discussion. There are also indications of missing details regarding the design and mechanics of the motor boat.

Kimkkjuii
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Should the propeller rotate clockwise or counter-clockwise? Which way will be faster and will allow the boat to accelerate the fastest?
 
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What do you think and why?
 
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CWatters said:
What do you think and why?
I don't know that's why I asked? Please help I really need an answer
 
Kimkkjuii said:
I don't know that's why I asked? Please help I really need an answer

What is the context for the question? Please supply many more details so we can try to help you. Is this problem for schoolwork?
 
It doesn't matter which way it rotates, as long as it's rotating in the direction it is designed for.
Either way it's forcing water molecules to move in one direction, so the boat moves in the other direction.
The water molecules don't care which direction the propeller spins, they only are experiencing a compression effect, so they move.
 

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