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  2. Stiffness - Wikipedia

    en.wikipedia.org/wiki/Stiffness

    Stiffness is the extent to which an object resists deformation in response to an applied force. [ 1 ] The complementary concept is flexibility or pliability: the more flexible an object is, the less stiff it is.

  3. Glossary of geology - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_geology

    In solid mechanics, a measure of the stiffness of an isotropic elastic material. It is defined as the ratio of the uniaxial stress over the uniaxial strain in the range of stress in which Hooke's Law holds. Ypresian The oldest age or the lowest stratigraphic stage of the Eocene. It spans the time between ~56 Ma and ~49 Ma (million years ago).

  4. Stiff - Wikipedia

    en.wikipedia.org/wiki/Stiff

    Stiffness, a material's resistance to bending; Joint stiffness, pain and/or reduced range of motion of body parts in humans and animals; Arts and music.

  5. Rigor mortis - Wikipedia

    en.wikipedia.org/wiki/Rigor_mortis

    Rigor mortis [a] (from Latin rigor 'stiffness' and mortis 'of death'), or postmortem rigidity, is the fourth stage of death.It is one of the recognizable signs of death, characterized by stiffening of the limbs of the corpse caused by chemical changes in the muscles postmortem (mainly calcium). [1]

  6. Rigidity - Wikipedia

    en.wikipedia.org/wiki/Rigidity

    Stiffness, the property of a solid body to resist deformation, which is sometimes referred to as rigidity; Structural rigidity, a mathematical theory of the stiffness of ensembles of rigid objects connected by hinges; Rigidity (electromagnetism), the resistance of a charged particle to deflection by a magnetic field

  7. Elastic modulus - Wikipedia

    en.wikipedia.org/wiki/Elastic_modulus

    Elastic constants are specific parameters that quantify the stiffness of a material in response to applied stresses and are fundamental in defining the elastic properties of materials. These constants form the elements of the stiffness matrix in tensor notation, which relates stress to strain through linear equations in anisotropic materials.

  8. A man and his mailbox: How a dispute over rural mail delivery ...

    www.aol.com/news/man-mailbox-dispute-over-rural...

    In Klein’s case, a Postal Service spokeswoman said, the problem is the road. Hillman Ridge is paved but narrows to a width slightly larger than a pickup truck as it approaches Klein’s property.

  9. Young's modulus - Wikipedia

    en.wikipedia.org/wiki/Young's_modulus

    Young's modulus is the slope of the linear part of the stress–strain curve for a material under tension or compression.. Young's modulus (or Young modulus) is a mechanical property of solid materials that measures the tensile or compressive stiffness when the force is applied lengthwise.