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  2. Epicyclic gearing - Wikipedia

    en.wikipedia.org/wiki/Epicyclic_gearing

    This planetary gear train consists of a sun gear (yellow), planet gears (blue) and carrier (green) inside a ring gear (red) An epicyclic gear train (also known as a planetary gearset) is a gear reduction assembly consisting of two gears mounted so that the center of one gear (the "planet") revolves around the center of the other (the "sun").

  3. Linear multistep method - Wikipedia

    en.wikipedia.org/wiki/Linear_multistep_method

    The first Dahlquist barrier states that a zero-stable and linear q-step multistep method cannot attain an order of convergence greater than q + 1 if q is odd and greater than q + 2 if q is even. If the method is also explicit, then it cannot attain an order greater than q ( Hairer, Nørsett & Wanner 1993 , Thm III.3.5).

  4. List of equations - Wikipedia

    en.wikipedia.org/wiki/List_of_equations

    This is a list of equations, by Wikipedia page under appropriate bands of their field. Eponymous equations The following equations are named after researchers who ...

  5. The Firm (brand) - Wikipedia

    en.wikipedia.org/wiki/The_Firm_(brand)

    Anna Benson started Fitness Favorites, which became the official online store for the original videos after her death in 2009. After her death, Anna's son became owner of the Classic The FIRM and has released Anna's 'classic' DVDs from VHS format. [10] The FIRM Studios was renamed The Flex Body/The FLEX in 2015 and is owned by Emily Welsh.

  6. Planet Fitness - Wikipedia

    en.wikipedia.org/wiki/Planet_Fitness

    Planet Fitness, Inc. is an American franchisor and operator of fitness centers based in Hampton, New Hampshire. [5] The company has around 2,600 clubs, [ 2 ] making it one of the largest fitness club franchises by number of members and locations.

  7. Numerical model of the Solar System - Wikipedia

    en.wikipedia.org/wiki/Numerical_model_of_the...

    Each body attracts each other body, the total acceleration being the sum of all these attractions. Next one chooses a small time-step Δt and applies Newton's Second Law of Motion. The acceleration multiplied with Δt gives a correction to the velocity. The velocity multiplied with Δt gives a correction to the position. This procedure is ...

  8. Lists of physics equations - Wikipedia

    en.wikipedia.org/wiki/Lists_of_physics_equations

    In physics, there are equations in every field to relate physical quantities to each other and perform calculations. Entire handbooks of equations can only summarize most of the full subject, else are highly specialized within a certain field. Physics is derived of formulae only.

  9. Bruce protocol - Wikipedia

    en.wikipedia.org/wiki/Bruce_protocol

    Every 3 min the speed & incline of the treadmill are increased. [2] There are 7 such stages and only very fit athletes can complete all 7 stages. The modified Bruce Protocol is an alteration in the protocol so that the treadmill is initially horizontal rather than uphill, with the 1st few intervals increasing the treadmill slope only.