Physics
Physics
Physics (pronounced /ˈfɪzɪks/, from the Ancient Greek: φυσική (ἐπιστήμη), romanized: physikḗ (epistḗmē), lit. 'knowledge of nature') is the natural science that studies matter, its motion and behavior through space and time, and the related entities of energy and force. Physics is one of the most fundamental scientific disciplines, and its main goal is to understand how the universe behaves.
Etymology
The word "physics" comes from the Ancient Greek word "φυσική" (physikḗ), which means "knowledge of nature". It was first used in the 16th century, and it was derived from the word "φύσις" (physis), which means "nature".
Related Terms
- Matter: In physics, matter is any substance that has mass and takes up space by having volume.
- Energy: In physics, energy is the quantitative property that must be transferred to a body or physical system to perform work on the body, or to heat it.
- Force: In physics, a force is any interaction that, when unopposed, will change the motion of an object.
- Space: In physics, space is a boundless three-dimensional extent in which objects and events have relative position and direction.
- Time: In physics, time is a scalar quantity and, like length, mass, and charge, is usually described as a fundamental quantity.
External links
- Medical encyclopedia article on Physics
- Wikipedia's article - Physics
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