What is the meaning of shear when used as a noun?
Q: What is the meaning of shear when used as a noun?
A: As a noun, shear can mean different things such as a cutting machine for sheet metal, a form of fault in geology, or a type of linear mapping in mathematics.
Q: How is cosmic shear defined?
A: Cosmic shear is a distortion of the image of distant galaxies caused by the deflection of light by matter in space. This phenomenon is predicted by general relativity and is also known as weak lensing or gravitational lensing.
Q: What is a shear line in meteorology?
A: A shear line in meteorology refers to an area of wind shear, which is a difference in the speed or direction of two wind currents in the atmosphere.
Q: What does shear mean as a verb?
A: As a verb, shear means to cut or trim something using a tool such as scissors, or to trim the wool off a sheep.
Q: How can shear stress be defined in physics?
A: In physics, shear stress refers to a stress state that causes shearing or sliding of layers of material. This happens when the stress exceeds the material's shear strength.
Q: What is the meaning of shear in clothing design?
A: Shear in clothing design refers to a cutting technique where fabric is cut at an angle to create a bias. This technique is used to give clothes more stretch and fluidity.
Q: What is a guillotine in metalwork?
A: A guillotine, also called a shear, is a machine used to cut sheet metal by applying pressure to the metal until it fractures along a straight line.
