Physics
This article is about the field of science. For other uses, see Physics (disambiguation).
Physics (from Ancient Greek: φυσική (ἐπιστήμη) phusikḗ (epistḗmē) "knowledge of nature", from φύσις phúsis "nature"[1][2][3]) is the natural science that involves the study of matter[4] and its motionthrough space and time, along with related concepts such as energyand force.[5] More broadly, it is the general analysis of nature, conducted in order to understand how the universe behaves.[a][6][7]
Physics is one of the oldest academic disciplines, perhaps the oldest through its inclusion of astronomy.[8] Over the last two millennia, physics was a part of natural philosophy along with chemistry, certain branches of mathematics,