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Physics is the natural science of matter, involving the study of matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. [1] Physics is one of the most fundamental scientific disciplines. [2] [3] [4] A scientist who specializes in the field of physics is called a physicist.
Ancient history. Elements of what became physics were drawn primarily from the fields of astronomy, optics, and mechanics, which were methodologically united through the study of geometry. These mathematical disciplines began in antiquity with the Babylonians and with Hellenistic writers such as Archimedes and Ptolemy.
chemical physics, the science of physical relations in chemistry. computational physics, the application of computers and numerical methods to physical systems. econophysics, dealing with physical processes and their relations in the science of economy. environmental physics, the branch of physics concerned with the measurement and analysis of ...
This glossary of physics is a list of definitions of terms and concepts relevant to physics, its sub-disciplines, and related fields, including mechanics, materials science, nuclear physics, particle physics, and thermodynamics. For more inclusive glossaries concerning related fields of science and technology, see Glossary of chemistry terms ...
Physics ā natural science that involves the study of matter [ 1] and its motion through spacetime, along with related concepts such as energy and force. [ 2] More broadly, it is the general analysis of nature, conducted in order to understand how the universe behaves. [ 3][ 4][ 5]
Physical science can be described as all of the following: A branch of science (a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe ). [ 1][ 2][ 3] A branch of natural science ā natural science is a major branch of science that tries to explain and predict nature ...
G {\displaystyle G} electrical conductance. siemens (S) universal gravitational constant. newton meter squared per kilogram squared (Nā m 2 /kg 2 ) shear modulus. pascal (Pa) or newton per square meter (N/m 2 ) g {\displaystyle \mathbf {g} } acceleration due to gravity.
e. A physicist is a scientist who specializes in the field of physics, which encompasses the interactions of matter and energy at all length and time scales in the physical universe. [ 1][ 2] Physicists generally are interested in the root or ultimate causes of phenomena, and usually frame their understanding in mathematical terms.