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Shear vs Friction - What's the difference?

shear | friction |

In physics terms the difference between shear and friction

is that shear is a force that produces a shearing strain while friction is : A force that resists the relative motion or tendency to such motion of two bodies in contact.

As nouns the difference between shear and friction

is that shear is a cutting tool similar to scissors, but often larger while friction is the rubbing of one object or surface against another.

As a verb shear

is to cut, originally with a sword or other bladed weapon, now usually with shears, or as if using shears.

As an adjective shear

is misspelling of lang=en.

shear

English

(wikipedia shear)

Verb

  • To cut, originally with a sword or other bladed weapon, now usually with shears, or as if using shears.
  • * 1819 , Walter Scott, Ivanhoe :
  • So trenchant was the Templar’s weapon, that it shore asunder, as it had been a willow twig, the tough and plaited handle of the mace, which the ill-fated Saxon reared to parry the blow, and, descending on his head, levelled him with the earth.
  • * Shakespeare
  • the golden tresses were shorn away
  • To remove the fleece from a sheep etc by clipping.
  • (physics) To deform because of shearing forces.
  • (Scotland) To reap, as grain.
  • (Jamieson)
  • (figurative) To deprive of property; to fleece.
  • Noun

    (en noun)
  • a cutting tool similar to scissors, but often larger
  • * Dryden
  • short of the wool, and naked from the shear
  • the act of shearing, or something removed by shearing
  • * Youatt
  • After the second shearing, he is a two-shear' ram; at the expiration of another year, he is a three-' shear ram; the name always taking its date from the time of shearing.
  • (physics) a force that produces a shearing strain
  • (geology) The response of a rock to deformation usually by compressive stress, resulting in particular textures.
  • Derived terms

    * megashear * shearer

    Adjective

    (head)
  • friction

    English

    Noun

    (-)
  • The rubbing of one object or surface against another.
  • * {{quote-magazine, year=2013, month=July-August, author=(Henry Petroski)
  • , title= Geothermal Energy , volume=101, issue=4, magazine=(American Scientist) , passage=Energy has seldom been found where we need it when we want it. Ancient nomads, wishing to ward off the evening chill and enjoy a meal around a campfire, had to collect wood and then spend time and effort coaxing the heat of friction out from between sticks to kindle a flame.}}
  • Conflict, as between persons having dissimilar ideas or interests; clash.
  • (physics): A force that resists the relative motion or tendency to such motion of two bodies in contact.
  • * 1839 , (Denison Olmsted), A Compendium of Astronomy Page 95
  • Secondly, When a body is once in motion it will continue to move forever, unless something stops it. When a ball is struck on the surface of the earth, the friction of the earth and the resistance of the air soon stop its motion.

    See also

    * tribology * lubrication ----