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Mechanics (from Ancient Greek μηχανική (mēkhanikḗ) 'of machines') [1] [2] is the area of physics concerned with the relationships between force, matter, and motion among physical objects. [3]
Classical mechanics was traditionally divided into three main branches. Statics is the branch of classical mechanics that is concerned with the analysis of force and torque acting on a physical system that does not experience an acceleration, but rather is in equilibrium with its environment. [3]
Solid mechanics (also known as mechanics of solids) is the branch of continuum mechanics that studies the behavior of solid materials, especially their motion and deformation under the action of forces, temperature changes, phase changes, and other external or internal agents.
A mechanic is a skilled tradesperson who uses tools to build, maintain, or repair machinery, [1] especially engines. Formerly, the term meant any member of the ...
Applied mechanics is the branch of science concerned with the motion of any substance that can be experienced or perceived by humans without the help of instruments. [1] In short, when mechanics concepts surpass being theoretical and are applied and executed, general mechanics becomes applied mechanics.
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.
[note 7] In Newtonian mechanics, if two bodies have momenta and respectively, then the total momentum of the pair is = +, and the rate of change of is = +. By Newton's second law, the first term is the total force upon the first body, and the second term is the total force upon the second body.
In modern physics, which includes relativity and quantum mechanics, the laws governing motion are revised to rely on fundamental interactions as the ultimate origin of force. However, the understanding of force provided by classical mechanics is useful for practical purposes. [1]