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  2. Defining Mechanical Energy: A Scientist's Perspective - Physics...

    www.physicsforums.com/threads/defining-mechanical-energy-a-scientists...

    The definition is essentially based on what forms of energy will be naturally involved in a mechanical process, without making provisions for combustion, nuclear reactions, etc. to occur. Thus if we limit the process to things like blocks sliding on guides, impacts, geared mechanisms, various machines, etc., these involve only kinetic and ...

  3. What is Mechanical energy: Definition and 358 Discussions

    www.physicsforums.com/tags/mechanical-energy

    In physical sciences, mechanical energy is the sum of potential energy and kinetic energy. It is the macroscopic energy associated with a system. The principle of conservation of mechanical energy states that if an isolated system is subject only to conservative forces, then the mechanical energy is constant.

  4. A Definition and Controversy of Energy - Physics Forums

    www.physicsforums.com/insights/what-is-energy

    Energy is a crucial concept in understanding the behavior of the physical world, and it comes in various forms, each with its unique properties. Kinetic Energy (KE): This is the energy of an object in motion. The kinetic energy of an object depends on both its mass and its velocity. The formula for kinetic energy is KE = (1/2) * m * v^2, where ...

  5. Exploring the Mechanics of Energy Conservation: Understanding the...

    www.physicsforums.com/threads/exploring-the-mechanics-of-energy-conservation...

    The mechanical energy paradox is a concept in physics that describes the apparent contradiction between the conservation of energy and the behavior of certain mechanical systems. It refers to situations where a system appears to have a constant amount of mechanical energy, yet its behavior suggests that energy is being lost or gained. 2.

  6. Why and How are Mechanical and Kinetic Energy different? -...

    www.physicsforums.com/threads/why-and-how-are-mechanical-and-kinetic-energy...

    Potential energy is the stored energy an object has due to its position or shape, while kinetic energy is the energy an object possesses due to its motion. In other words, Mechanical Energy is the total energy an object has due to both its position and motion. On the other hand, Kinetic Energy is solely the energy an object has due to its ...

  7. Calculating lost mechanical energy - Physics Forums

    www.physicsforums.com/threads/calculating-lost-mechanical-energy.679740

    265. 0. Now I know that in the book, they say that E_mech = K + U (kinetic energy and potential energy), but I don't quite know how to calculate the lost mechanical energy. Any pointers of how the process would go would be appreciated! Just calculate the mechanical energy before and after, then compare them. Mar 20, 2013.

  8. What is Potential Energy? - Exploring the Types | Page 2 -...

    www.physicsforums.com/threads/what-is-potential-energy-exploring-the-types...

    PhanthomJay are all energies mechanical?No. But when any type of energy ...be it chemical, nuclear, or (heaven forbid) mechanical energy (definition 2)...is transferred into or out of the system, it changes the mechanical energy (definition 1) of the system. This follows from conservation of...

  9. What is Potential Energy? - Exploring the Types - Physics Forums

    www.physicsforums.com/threads/what-is-potential-energy-exploring-the-types.615045

    By definition, mechanical energy is the sum of the potential and kinetic energies of a body or system. Unfortunately, the term 'mechanical' energy is used in a completely different context, as in electrical energy converted to mechanical energy by a motor, or mechanical energy converted to electrical energy by a generator.

  10. Why Is Mechanical Work Expressed as W=Fx in Physics?

    www.physicsforums.com/threads/why-is-mechanical-work-expressed-as-w-fx-in...

    Definition Mechanical Work. In summary, the equation for mechanical work, W=Fx, is derived from the concept of energy and its conservation. This is seen through experiments where an object's kinetic energy decreases as its velocity decreases, resulting in a constant product of force and displacement. The equation for kinetic energy, Ek=1/2mv^2 ...

  11. Definition for Mechanical Work - Physics Forums

    www.physicsforums.com/threads/definition-for-mechanical-work.504915

    What is the definition for mechanical work? The definition for mechanical work is the amount of force applied to an object over a distance to cause a displacement. It is a form of energy transfer that results in a change in the position or motion of an object. What is the formula for calculating mechanical work? The formula for calculating ...