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  2. Anelasticity - Wikipedia

    en.wikipedia.org/wiki/Anelasticity

    Anelasticity is therefore by the existence of a part of time dependent reaction, in addition to the elastic one in the material considered. It is also usually a very small fraction of the total response and so, in this sense, the usual meaning of "anelasticity" as "without elasticity" is improper in a physical sense.

  3. Molecular geometry - Wikipedia

    en.wikipedia.org/wiki/Molecular_geometry

    Molecular geometries can be specified in terms of 'bond lengths', 'bond angles' and 'torsional angles'. The bond length is defined to be the average distance between the nuclei of two atoms bonded together in any given molecule. A bond angle is the angle formed between three atoms across at least two bonds.

  4. Surface energy - Wikipedia

    en.wikipedia.org/wiki/Surface_energy

    The surface energy of a liquid may be measured by stretching a liquid membrane (which increases the surface area and hence the surface energy). In that case, in order to increase the surface area of a mass of liquid by an amount, δA, a quantity of work, γ δA, is needed (where γ is the surface energy density of the liquid).

  5. Friction - Wikipedia

    en.wikipedia.org/wiki/Friction

    Lubricated friction is a case of fluid friction where a lubricant fluid separates two solid surfaces. [9] [10] [11] Skin friction is a component of drag, the force resisting the motion of a fluid across the surface of a body. Internal friction is the force resisting motion between the elements making up a solid material while it undergoes ...

  6. Angle of repose - Wikipedia

    en.wikipedia.org/wiki/Angle_of_repose

    The internal angle between the surface of the pile and the horizontal surface is known as the angle of repose and is related to the density, surface area and shapes of the particles, and the coefficient of friction of the material. Material with a low angle of repose forms flatter piles than material with a high angle of repose.

  7. NFL playoff scenarios: Which teams can clinch in Week 15? - AOL

    www.aol.com/nfl-playoff-scenarios-teams-clinch...

    With four weeks left in the NFL regular season, only four teams have clinched playoff spots. But several more could join them in Week 15.

  8. Ball-and-stick model - Wikipedia

    en.wikipedia.org/wiki/Ball-and-stick_model

    In chemistry, the ball-and-stick model is a molecular model of a chemical substance which displays both the three-dimensional position of the atoms and the bonds between them. [1] The atoms are typically represented by spheres , connected by rods which represent the bonds.

  9. 2024 NFL playoff picture: Who’s sealed their spot and who’s ...

    www.aol.com/sports/2024-nfl-playoff-picture...

    The NFL playoffs are nearly in sight and the heat is on for some teams still in the fight to make the postseason.. Week 15 saw the number of teams that have qualified for the playoffs increase to ...