Ruby Goldberg Machine - Improvements/Ideas

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A project is underway to create a Rube Goldberg machine that washes a Hot Wheels car, with a deadline in a month. Initial ideas include using a sprayer connected to a rubber band activated by a fan and a pulley system to draw water from a container. The student seeks additional input and a sequence of around ten steps to enhance their design. There is a suggestion to ensure accurate terminology, as understanding the concept of a Rube Goldberg machine is essential for the project. Constructive feedback and ideas are encouraged to refine the project further.
ChromoZoneX
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Hey there,

We have a project to make a Ruby Goldberg Machine due in a month.
Due to the complexity of the project we have started early. This would be my first time making something like this and I need help connecting and improving my ideas.

The objective we have decided upon is to give a Hot Wheels car a car wash. My ideas are as follows,
1. Having sprayer spray water on a book so it drops on something
The sprayer will be connected to a rubber band which will be pulled by the force of air from a fan.

Another objective I had in mind was to draw water from a container.

The Idea - Have a pulley and string. One attached to a string that is fixed to a small bucket submerged in water. Two see-saw like devices are assembled so that when a weight falls on one of them, the bucket is raised.

What i need is my start and about 10 steps...I have already started thinking but would like to know your viewpoints too.

A grade 11 student.
 
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My only advice is to at least get the guy's name right.
 
phinds said:
My only advice is to at least get the guy's name right.

I.E.

It's http://en.wikipedia.org/wiki/Rube_Goldberg" .
 
Last edited by a moderator:
anything more constructive?
 
I had to go on Wikipedia to understand what a Rube Goldberg project is.
Now, everything is done in the company where I work seems a Rube Goldberg machine.
 
The book claims the answer is that all the magnitudes are the same because "the gravitational force on the penguin is the same". I'm having trouble understanding this. I thought the buoyant force was equal to the weight of the fluid displaced. Weight depends on mass which depends on density. Therefore, due to the differing densities the buoyant force will be different in each case? Is this incorrect?

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