K.E.
Definition
Noun: * Kinetic Energy: The mechanical energy that a body possesses due to its motion. It is the energy of an object in motion, dependent on its mass and velocity.
Usage
- k.e. is an abbreviation for "kinetic energy". It is primarily used in scientific, engineering, and academic contexts, especially in physics.
- It is often written in lowercase with periods () but can also be seen as or without affecting its meaning.
- It functions as a singular, uncountable noun.
Examples
- The formula for calculating k.e. is one-half the mass times the velocity squared.
- As the car accelerated down the hill, its k.e. increased dramatically.
- In a perfectly elastic collision, the total k.e. of the system is conserved.
Advanced Usage
- k.e. is a fundamental concept in classical mechanics and is contrasted with potential energy (p.e.), which is stored energy due to an object's position or state.
- The work-energy theorem states that the net work done on an object is equal to the change in its k.e.
Variants and Related Words
- Kinetic Energy (n): The full, unabbreviated form of k.e..
- Potential Energy (p.e.) (n): The energy stored in an object due to its position, shape, or state (e.g., gravitational, elastic).
- Mechanical Energy (n): The sum of an object's kinetic and potential energy.
Synonyms
- Energy of motion
Antonyms
- Potential energy (p.e.)
Related Phrases and Concepts
- Conservation of Energy: A fundamental law of physics stating that the total energy in an isolated system remains constant; energy can be transformed from one form to another (e.g., from potential to kinetic), but not created or destroyed.
- Rotational Kinetic Energy: The kinetic energy due to the rotation of an object, which depends on its moment of inertia and angular velocity.
Noun
-
the mechanical energy that a body has by virtue of its motion
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