Can a Gravity Machine Harness Energy in a Frictionless Universe?

In summary, the conversation discusses the possibility of harnessing gravity mechanically, specifically in a frictionless universe. One person suggests using a generator to extract energy from objects falling under gravity, but it is determined that this is not possible due to gravity being a conservative force. The idea of neutralizing or manipulating gravity is also brought up, but it is ultimately concluded that this is not feasible. Other alternative sources of energy, such as hydroelectric power, are also discussed.
  • #1
Mattius_
8
0
Can one harness gravity mechanically? meaning, in a frictionless universe, can we have an object undergo the forces of gravity, extract energy via a generator (ex. mass falling onto a spring which generates electricity), and reciprocate this while also producing excess energy? Is this possible, impossible, or still in debate?
 
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  • #2
No, not even in a frictionless universe. Gravity is a conservative force.

- Warren
 
  • #3
can you please explain this a little more, i am not very smart...
 
  • #5
Lol a rather simple solution, not exactly what i was looking for, i was taking situation exemplified in hyperphysics with an additional force of gravity in only one direction... can we neutralize gravity for one path?
 
  • #6
Nope.
 
  • #7
you can with a magnetic field...
 
  • #8
How about hydroelectric power from a waterfall ;)
 
  • #9
Hydroelectric power is really just indirectly harnessing energy from solar radiation - having it evaporate water, lift it, and then letting it fall under gravity.
 
  • #10
And no, Mattius_, you cannot build a free-energy machine with magnets either.

- Warren
 

1. What is a gravity machine?

A gravity machine is a device that uses the force of gravity to perform a specific function or task. It can be a simple or complex mechanism that utilizes the laws of gravity to generate energy, create movement, or produce a desired effect.

2. How does a gravity machine work?

A gravity machine works by using the pull of gravity to create motion or energy. This can be achieved through a variety of mechanisms, such as pendulums, pulleys, or inclined planes. The machine is designed to harness the potential energy of an object at a higher position and convert it into kinetic energy as the object moves towards a lower position.

3. Can a gravity machine generate unlimited energy?

No, a gravity machine cannot generate unlimited energy. While the force of gravity is a powerful and constant force, it still follows the laws of thermodynamics, which state that energy cannot be created or destroyed, only converted from one form to another. A gravity machine can only convert the potential energy of gravity into other forms of energy, such as kinetic energy.

4. Are gravity machines possible to build?

Yes, gravity machines are possible to build. In fact, many gravity-based devices and machines have already been created and are currently in use, such as water wheels, wind turbines, and roller coasters. However, the effectiveness and efficiency of a gravity machine will depend on various factors, such as the design, materials used, and external forces.

5. What are the potential applications of a gravity machine?

A gravity machine has a wide range of potential applications. It can be used for generating electricity, pumping water, lifting heavy objects, or even powering vehicles. Some scientists are also exploring the possibility of using gravity machines to create artificial gravity in space for long-term space missions.

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