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Bookmark or Share- Is Energy Conserved in General Relativity? - Physics ForumsFAQ: Is Energy Conserved in General Relativity? What is the law of conservation of energy? The law of conservation of energy states that energy cannot be created or destroyed, but can only be transformed from one form to another. This means that the total amount of energy in a closed system remains constant over time. Is energy always conserved?
- How to spot conserved quantities from Lagrangians - Physics ForumsBasically if you have a potential function and you want to know if the momentum about a certain axis, let's call it the z-axis. is conserved you first apply a change in coordinates to a system in which the z-axis of your cylindrical coordinate system is the z-axis about which you wish to determine whether the angular momentum about that axis is ...
- Conservation of momentum and frictionless ice - Physics ForumsShooting star: Since there are no external forces and since mechanical energy is conserved thus all KE turn into PE and PE turns into KE. Because of this fact momuntum must be conserved otherwise all KE would not turn into PE nor PE would turn into KE. Thus mechanical energy and momentum is conserved.
- Conserved quantities under the Lorentz boost - Physics ForumsConserved quantities play a crucial role in the theory of special relativity because they provide a way to describe the behavior of physical systems in different reference frames. They also help to maintain the fundamental principles of relativity, such as the constancy of the speed of light.
- So basically i am asking is entropy conserved? - Physics ForumsNo, entropy is not conserved. In general, for a closed system, such as the sealed container in your example, the total entropy cannot decrease but can only increase (or stay the same). In this particular example, the thermal energy redistributes to maximize entropy. Once thermal equilibrium is reached, the entropy will remain constant.
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