In physics and mechanics, shear refers to a deformation that causes parallel surfaces to slide past one another (as opposed to compression and tension, which cause parallel surfaces to move towards or away from one another).
Shear is also a form of structural failure. A component fails by shearing when it splits into two parts that slide past each other. See shear stress and shear strength.
In the skin shear is the movement of the epidermis over the underlying dermis producing friction, tearing and splitting of the layers. In some cases it can produce hyperkeratosis or rapid skin growth in the area of shear.
In clothing design, fabric may be cut on the shear (also referred to as the bias). This is done by placing the patterns at 45° to the weave of the fabric. Clothing cut on the shear is less stiff and follows the shape of the wearer's body more closely than clothing cut parallel to the weave.
Wind shear is a difference in wind speed or direction between two wind currents in the atmosphere.
In lockpicking a cylinder lock, the shear line is where the inner cylinder ends and the outer cylinder begins.
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Categories: Disambiguation Physics (from the Greek, φυσικός (phusikos), natural, and φύσις (phusis), nature) is the science of nature in the broadest sense. ... Mechanics refers to: a craft relating to machinery (from the Latin mechanicus, from the Greek mechanikos, meaning one skilled in machines), or a range of disciplines in science and engineering. ... Compression in material science, physics or structural engineering, is the stress state of materials where the volume tends to decrease (compaction). ... In physics, tension is a force on a body directed to produce strain (extension); it can be considered to be negative compression. ... Structural failure occurs when a structure breaks in such a way that it can no longer carry as much load as it could before the failure. ... Shear stress is a stress state where the shape of a material tends to change (usually by sliding forces - torque by transversely-acting forces) without particular volume change. ... Model of the layers of human skin In zootomy and dermatology, skin is an organ of the integumentary system; which is composed of a layer of tissues that protect underlying muscles and organs. ... Epidermis is the outermost layer of the skin. ... The dermis is the layer of skin beneath the epidermis, that consists of connective tissue and harbors many nerve endings that provide the sense of touch. ... Hyperkeratosis results when an excess of proteins called keratins are produced. ... Mathematics, often abbreviated maths in Commonwealth English and math in American English, is the study of abstraction. ... In mathematics, a shear is a particular kind of linear mapping. ... In mathematics, a linear transformation (also called linear operator or linear map) is a function between two vector spaces that respects the arithmetical operations addition and scalar multiplication defined on vector spaces, or, in other words, it preserves linear combinations. Definition and first consequences Formally, if V and W are... (See also List of types of clothing) Humans often wear articles of clothing (also known as dress, garments or attire) on the body (for the alternative, see nudity). ... The term bias has many uses: a bias is prejudice of some sort in terms of point of view, or an offest of some sort in statistics, science, engineering or electronics several communes in France as named Bias: Bias in the Landes département Bias in the Lot-et-Garonne département... Fabric can refer to: Cloth Fabric, a London dance club This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... The term Parallel has a number of important meanings: Parallel (geometry) occurs in geometry. ... Wind shear is a difference in wind speed or direction between two wind currents in the atmosphere. ... In lockpicking a cylinder lock, the shear line is where the inner cylinder ends and the outer cylinder begins. ... A sheep shearer is a worker who uses blade or machine shears to remove the wool from sheep. ... Metalworking is the craft and practice of working with metals to create parts or structures. ... A Guillotine is a machine used to accurately cut sheet metal. ...
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