Creating a Compound Machine with Simple Machines: Tips and Ideas

  • Context: High School 
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Discussion Overview

The discussion revolves around creating a compound machine that incorporates three steps using simple machines. Participants share ideas, seek advice, and propose methods for constructing such machines, focusing on practical applications and project requirements.

Discussion Character

  • Exploratory
  • Homework-related

Main Points Raised

  • One participant expresses a need for ideas on creating a compound machine with three steps, indicating a sense of urgency.
  • Another participant suggests using a compound pulley system as a potential solution.
  • A link to a project involving pulleys is shared, possibly as an example of what a compound machine could look like.
  • Clarification is sought regarding the requirement of using three different types of simple machines, with gears, pulleys, and levers proposed as accessible options.
  • A participant requests assistance in making gears from household objects for a project due soon, emphasizing the need for practical solutions.
  • A suggestion is made to create gears by drilling holes in a wooden disk and inserting dowels, referencing historical methods attributed to DaVinci, while noting that other methods exist but may be more complex.

Areas of Agreement / Disagreement

Participants generally agree on the types of simple machines that can be used, such as gears, pulleys, and levers. However, the specific methods and approaches to creating these machines remain varied and unresolved.

Contextual Notes

Some participants mention the need for accuracy in construction, which may depend on the materials and methods chosen. The discussion also reflects varying levels of experience and understanding of the project requirements.

Who May Find This Useful

Students working on projects involving simple machines, educators seeking examples of compound machines, and hobbyists interested in practical applications of mechanical concepts.

PleaseHelp2008
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I need to create a compound machine that has 3 steps using simple machines. I'm desperate here, any ideas? :confused:
 
Physics news on Phys.org
Compound Pulley System?
 
Something like this... ?

http://www.miniscience.com/projects/pulley/"
 
Last edited by a moderator:
Welcome to PF, Please.
By 3 steps, do you mean that you have to use 3 different types of machine to achieve your final result? If so, gears, pulleys, and levers are probably the easiest to work with. There are thousands of different combinations of those.
 
i need some help, i have a project using the six simple machines due on 10/21/09, if anyone can tell me how to make a gear(s) out of household objects before 10/21/09 will be greatly appreciated, thanks :]
 
Welcome to PF, Mkinator.
You won't get much in the way of accuracy, but the easiest way to make a gear is probably to drill holes into the circumference of a wooden disk and insert dowels to act as teeth. That's how DaVinci made his. You could also carve or saw teeth out the the disk itself, but it would be more work.
There are more ways, but those are probably your simplest options.
 

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