Building a mini physics motor boat -- Help?

In summary, the direction of rotation for a propeller does not affect the speed or acceleration of a boat. As long as the propeller is rotating in the direction it is designed for, it will create a compression effect on water molecules, causing the boat to move in the opposite direction. The water molecules do not have a preference for which direction the propeller spins.
  • #1
Kimkkjuii
2
0
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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  • #2
What do you think and why?
 
  • Like
Likes berkeman
  • #3
CWatters said:
What do you think and why?
I don't know that's why I asked? Please help I really need an answer
 
  • #4
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?
 
  • #5
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.
 

1. How do I choose the right materials for my mini physics motor boat?

Choosing the right materials for your mini physics motor boat will depend on several factors such as the size of the boat, the weight it needs to carry, and the type of water you will be using it in. Generally, lightweight and durable materials like wood, plastic, or fiberglass are good options for small motor boats.

2. What type of motor should I use for my mini physics motor boat?

The type of motor you use for your mini physics motor boat will depend on your budget and personal preference. Electric motors are a popular choice for small boats as they are quiet, efficient, and easy to operate. Gasoline motors are another option but may require more maintenance and can be noisier.

3. How do I calculate the weight and balance of my mini physics motor boat?

To calculate the weight and balance of your mini physics motor boat, you will need to determine the weight of the boat itself, the weight of the motor, and the weight of any additional equipment or passengers. You can use a simple balance scale or consult a boat building guide for more precise calculations.

4. Can I add features like a steering wheel or rudder to my mini physics motor boat?

Yes, you can add features like a steering wheel or rudder to your mini physics motor boat. However, these may add extra weight and can affect the balance and performance of the boat. It is important to carefully consider the design and placement of these features to ensure they do not negatively impact the boat's functionality.

5. How can I make my mini physics motor boat more efficient?

To make your mini physics motor boat more efficient, you can consider factors such as the shape and weight of the boat, the type of motor used, and the design of the propeller. You can also experiment with different materials and boat designs to find the most efficient option for your specific needs.

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