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  2. Parallel force system - Wikipedia

    en.wikipedia.org/wiki/Parallel_force_system

    Parallel vertical forces acting on an airplane in straight and level flight. Lift from the main wing (Pz) is balanced by the weight of the airplane (mg) and the down-force on the horizontal stabilizer (Pzh). In engineering, a parallel force system is a type of force system where

  3. Parallelogram of force - Wikipedia

    en.wikipedia.org/wiki/Parallelogram_of_force

    The mathematical proof of the parallelogram of force is not generally accepted to be mathematically valid. Various proofs were developed (chiefly Duchayla's and Poisson's), and these also caused objections. That the parallelogram of force was true was not questioned, but why it was true. Today the parallelogram of force is accepted as an ...

  4. Force - Wikipedia

    en.wikipedia.org/wiki/Force

    If an external force acts on the system, it will make the center of mass accelerate in proportion to the magnitude of the external force divided by the mass of the system. [ 4 ] : 19-1 [ 5 ] Combining Newton's Second and Third Laws, it is possible to show that the linear momentum of a system is conserved in any closed system .

  5. Coriolis force - Wikipedia

    en.wikipedia.org/wiki/Coriolis_force

    Due to the Coriolis force, low-pressure systems in the Northern hemisphere, like Typhoon Nanmadol (left), rotate counterclockwise, and in the Southern hemisphere, low-pressure systems like Cyclone Darian (right) rotate clockwise. Schematic representation of flow around a low-pressure area in the Northern Hemisphere. The Rossby number is low, so ...

  6. Centripetal force - Wikipedia

    en.wikipedia.org/wiki/Centripetal_force

    A centripetal force (from Latin centrum, "center" and petere, "to seek" [1]) is a force that makes a body follow a curved path.The direction of the centripetal force is always orthogonal to the motion of the body and towards the fixed point of the instantaneous center of curvature of the path.

  7. Hill's muscle model - Wikipedia

    en.wikipedia.org/wiki/Hill's_muscle_model

    The net force-length characteristics of a muscle is a combination of the force-length characteristics of both active and passive elements. The forces in the contractile element, in the series element and in the parallel element, F C E {\displaystyle F^{CE}} , F S E {\displaystyle F^{SE}} and F P E {\displaystyle F^{PE}} , respectively, satisfy

  8. Watt's linkage - Wikipedia

    en.wikipedia.org/wiki/Watt's_linkage

    Watt's linkage can also be used to prevent axle movement in the longitudinal direction of the car. This application involves two Watt's linkages on each side of the axle, mounted parallel to the driving direction, but just a single 4-bar linkage is more common in racing suspension systems.

  9. Line of action - Wikipedia

    en.wikipedia.org/wiki/Line_of_action

    The line of action is shown as the vertical dotted line. It extends in both directions relative to the force vector, but is most useful where it defines the moment arm. In physics , the line of action (also called line of application ) of a force ( F → ) is a geometric representation of how the force is applied.