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  2. Friction - Wikipedia

    en.wikipedia.org/wiki/Friction

    Fluid friction describes the friction between layers of a viscous fluid that are moving relative to each other. [7] [8] 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.

  3. Tribology - Wikipedia

    en.wikipedia.org/wiki/Tribology

    Tribology is the science and engineering of understanding friction, lubrication and wear phenomena for interacting surfaces in relative motion.It is highly interdisciplinary, drawing on many academic fields, including physics, chemistry, materials science, mathematics, biology and engineering. [1]

  4. Friction of distance - Wikipedia

    en.wikipedia.org/wiki/Friction_of_distance

    Friction of distance is a core principle of geography that states that movement incurs some form of cost, in the form of physical effort, energy, time, and/or the expenditure of other resources, and that these costs are proportional to the distance traveled.

  5. Lubricant - Wikipedia

    en.wikipedia.org/wiki/Lubricant

    A lubricant (sometimes shortened to lube) is a substance that helps to reduce friction between surfaces in mutual contact, which ultimately reduces the heat generated when the surfaces move. It may also have the function of transmitting forces, transporting foreign particles, or heating or cooling the surfaces.

  6. Inelastic collision - Wikipedia

    en.wikipedia.org/wiki/Inelastic_collision

    Partially inelastic collisions are the most common form of collisions in the real world. In this type of collision, the objects involved in the collisions do not stick, but some kinetic energy is still lost. Friction, sound and heat are some ways the kinetic energy can be lost through partial inelastic collisions.

  7. Man stabs woman multiple times while she slept after breaking ...

    www.aol.com/news/man-stabs-woman-multiple-times...

    A man has been arrested after breaking into a woman’s home and stabbing her multiple times while she slept, police said. The incident occurred on Sunday when 5th precinct deputies from the Lee ...

  8. Bitter cold in forecast: December set for 'coldest start' in ...

    www.aol.com/bitter-cold-forecast-december-set...

    As many drivers make their way home from Thanksgiving travels, most of the north and eastern U.S. will face below-normal temperatures over the next week – with many regions currently under ...

  9. The 6 best and 6 worst celebrity Christmas albums - AOL

    www.aol.com/6-best-6-worst-celebrity-192259339.html

    Every year, celebrities try to capitalize on the holiday season by releasing festive music. Singers like Mariah Carey, Ariana Grande, and Michael Bublé managed to perfect the cheesy art form ...