Conservation of Energy: Do Rules Apply to All Area of Physics in the Same Way?

The conservation of energy principle does not apply to all of the different areas of physics in the same way and the same equation is not used for every situation. While the principle applies to energy conservation and mass, it can be used in different formulas and equations in different ways. For example, the equation for electrical currents isn't the same as the equation for fluids although both equations are based on the conservation of energy principle.

Physics is a very complicated and highly technical area, and this subject matter is not easy for everyone to understand immediately. There are many laws, principles, and equations that may be used, and some of these are based on facts while others involve at least one assumption as part of the equation. This principle is a foundation of modern science but it may be applied or used in a variety of ways, depending on the area of physics that is involved.

Until Albert Einstein entered the world of physics mass and energy were viewed as two different things. Today the name of the principle has been changed to the law of conservation of energy and mass, in recognition that mass and energy are linked and are relevant to each other in the physics world. Today science accepts that these are simply two different units that use varying formulas but that are closely related, and so they are generally treated the same in modern science.

Each area of physics will have common laws and principles that are followed. The energy conservation law is one that can be found across the spectrum of scientific areas though, and many of the ideals and equations that are followed can be traced back to this initial law. While the application of the principle may not be the same in all areas of study for physics this rule will be relevant in most cases.

The conservation of energy law relies on all requirements for the law being met. Every area of physics includes assumptions and one of those assumptions is that all of the requirements for this principle are met. If any variables or assumptions are even slightly wrong, this will change the results of the equation and the data will be incorrect.

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