- #1
markzboyce
- 5
- 0
[Mentors’ note: Elaborate explanation of unworkable perpetual motion machine removed]
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Can this machine produce more work than consumed?
In summary, machines cannot violate the law of conservation of energy, which states that energy cannot be created or destroyed, only transformed. They convert energy through various processes to perform work, but their efficiency is always less than 100% due to energy loss. Different types of machines vary in work output based on their design and purpose, but none can produce more work than the energy consumed. Designing a machine to do so would go against the fundamental principles of physics.
- #2
berkeman
Mentor
- 67,067
- 19,905
Welcome to the PF.
We do not discuss PMMs or over-unity engines at the PF, even to debunk them. To learn more, please follow the links in the PF rules about Forbidden Topics (quoted below).
Your thread it locked. Have a good day.
We do not discuss PMMs or over-unity engines at the PF, even to debunk them. To learn more, please follow the links in the PF rules about Forbidden Topics (quoted below).
Your thread it locked. Have a good day.
PF Rules Forbidden Topics said:
1. Can a machine produce more work than it consumes?
Yes, it is possible for a machine to produce more work than it consumes. This is known as efficiency, where the output of work is greater than the input of energy or resources.
2. How is efficiency measured in a machine?
Efficiency is typically measured by the ratio of output work to input energy. This can be expressed as a percentage, with 100% efficiency being the ideal scenario where all energy input is converted into useful work output.
3. What factors affect the efficiency of a machine?
The efficiency of a machine can be affected by various factors such as friction, heat loss, and mechanical limitations. These factors can cause energy to be lost or wasted, resulting in a decrease in efficiency.
4. Can a machine ever achieve 100% efficiency?
In theory, it is possible for a machine to achieve 100% efficiency. However, in reality, it is nearly impossible to eliminate all sources of energy loss and achieve perfect efficiency.
5. How can efficiency be improved in a machine?
Efficiency can be improved in a machine by reducing sources of energy loss, using more efficient components and materials, and implementing proper maintenance and optimization techniques. Additionally, advancements in technology and design can also lead to increased efficiency in machines.
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