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Download QR code; Print/export Download as PDF; Printable version; In other projects ... Newton's laws of motion; Work (physics) Free body diagram;
The physics of elementary particles is on an even smaller scale since it is concerned with the most basic units of matter; this branch of physics is also known as high-energy physics because of the extremely high energies necessary to produce many types of particles in particle accelerators. On this scale, ordinary, commonsensical notions of ...
Physics – 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.
Newton's laws are often stated in terms of point or particle masses, that is, bodies whose volume is negligible. This is a reasonable approximation for real bodies when the motion of internal parts can be neglected, and when the separation between bodies is much larger than the size of each.
A system of bodies may have internal kinetic energy due to the relative motion of the bodies in the system. For example, in the Solar System the planets and planetoids are orbiting the Sun. In a tank of gas, the molecules are moving in all directions. The kinetic energy of the system is the sum of the kinetic energies of the bodies it contains.
List of textbooks in physics: Category:Physics textbooks; List of textbooks on classical mechanics and quantum mechanics; List of textbooks in electromagnetism; List of textbooks on relativity; List of textbooks in thermodynamics and statistical mechanics
Planck energy (E P) – natural unit of energy common in particle physics (~1.96 × 10 9 J). Barrel of oil equivalent (BOE) – energy unit equal to the energy released when burning one barrel (159 litres) of oil (~6.12 GJ). Tonne of oil equivalent (toe) – energy unit equal to the energy released when burning one tonne of oil (~42 GJ).
An Introduction to Thermal Physics. United States of America: Addison Wesley Longman. ISBN 0-201-38027-7. [36] [37] [38] Blundell, Stephen; Blundell, Katherine (2006). Concepts in Thermal Physics. United Kingdom: Oxford University Press. ISBN 978-0-19-856769-1. [39] Gould, Harvey and Tobochnik, Jan (2010). Statistical and Thermal Physics ...