mechanical energy
Học thuậtThân thiện
Definition
Noun: - Energy in a mechanical form: This is the sum of potential energy and kinetic energy present in the components of a mechanical system. It is the energy associated with the motion and position of an object.
Usage
This term is used primarily in physics and engineering contexts to describe the energy that can be used to do mechanical work. It is a conserved quantity in an ideal system without friction or other non-conservative forces.
Examples
- Noun:
- The flywheel stores mechanical energy and releases it to smooth out the engine's power delivery.
- In a simple pendulum, mechanical energy is constantly converted between kinetic and potential forms.
Advanced Usage
- Conservation of Mechanical Energy: A fundamental principle stating that in an isolated system with only conservative forces, the total mechanical energy remains constant.
- The roller coaster is a classic demonstration of the conservation of mechanical energy, neglecting friction.
Variants and Related Words
- Kinetic Energy (n): The energy possessed by an object due to its motion.
- The kinetic energy of the moving car was considerable.
- Potential Energy (n): The energy stored in an object due to its position or configuration.
- The water at the top of the dam has gravitational potential energy.
Synonyms
- None directly equivalent: The concept is specific. Related terms include "motive power" or simply "energy" in a mechanical context, but these are not perfect synonyms.
Related Phrases
- Conversion of mechanical energy: The process of changing energy from mechanical form to another (e.g., electrical, thermal) or vice-versa.
- A generator facilitates the conversion of mechanical energy into electrical energy.
Noun
- energy in a mechanical form