potential energy
Học thuậtThân thiện
Definition
Noun: - The mechanical energy that a body has by virtue of its position; stored energy: This is energy that is stored within a system due to the position or configuration of its parts. It is not actively being used but has the potential to do work.
Usage
- General Use: Used primarily in physics and engineering to describe energy that is stored and can be converted into other forms, such as kinetic energy (energy of motion).
- Grammar: Typically used as an uncountable noun. It is often modified by adjectives describing its type or source (e.g., gravitational, elastic, chemical).
Examples
- In Physics Context:
- The water held behind a dam has a great deal of potential energy due to its height.
- When you stretch a rubber band, you are storing potential energy in its elastic material.
- In General/Figurative Context:
- The team has a lot of potential energy; they just need the right project to unleash it. (Here, it is used metaphorically to mean untapped capability).
Advanced Usage
- "Gravitational potential energy": The energy stored in an object due to its vertical position or height in a gravitational field.
- The gravitational potential energy of a book on a shelf increases with its height above the ground.
- "Elastic potential energy": The energy stored in elastic materials as a result of stretching or compressing.
- A compressed spring stores elastic potential energy.
Variants and Related Words
- Potential (adj/noun): Having or showing the capacity to develop into something in the future; latent qualities or abilities.
- She has the potential to be a great scientist.
- Kinetic energy (noun): The energy possessed by a body due to its motion, in contrast to potential energy.
- A rolling ball has kinetic energy.
Synonyms
- Stored energy: The most direct synonym, emphasizing the state of being held in reserve.
- Latent energy: Suggests energy that is present but not yet manifest or released.
Related Phrases
- "Convert potential energy to kinetic energy": A common phrase describing a fundamental physical process.
- As the roller coaster falls, it converts potential energy to kinetic energy, gaining speed.
- "A source of potential energy": Describes an object or configuration that stores such energy.
- The raised weight is a source of potential energy for the clock mechanism.
Noun
- the mechanical energy that a body has by virtue of its position; stored energy