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  2. Locus of control - Wikipedia

    en.wikipedia.org/wiki/Locus_of_control

    A person with an external locus of control will tend to believe that their present circumstances are not the effect of their own influence, decisions, or control, [8] and even that their own actions are a result of external factors, such as fate, luck, history, the influence of powerful forces, or individually or unspecified others (such as ...

  3. Sphere of influence - Wikipedia

    en.wikipedia.org/wiki/Sphere_of_influence

    In corporate terms, the sphere of influence of a business, organization, or group can show its power and influence in the decisions of other businesses/organizations/groups. The influence shows in several ways, such as in size, frequency of visits, etc. In most cases, a company described as "bigger" has a larger sphere of influence.

  4. Heliosphere - Wikipedia

    en.wikipedia.org/wiki/Heliosphere

    The heliosphere is the area under the influence of the Sun; the two major components to determining its edge are the heliospheric magnetic field and the solar wind from the Sun. Three major sections from the beginning of the heliosphere to its edge are the termination shock, the heliosheath, and the heliopause.

  5. Sphere of influence (astrodynamics) - Wikipedia

    en.wikipedia.org/wiki/Sphere_of_influence_(astro...

    A sphere of influence (SOI) in astrodynamics and astronomy is the oblate spheroid-shaped region where a particular celestial body exerts the main gravitational influence on an orbiting object. This is usually used to describe the areas in the Solar System where planets dominate the orbits of surrounding objects such as moons , despite the ...

  6. Center of mass - Wikipedia

    en.wikipedia.org/wiki/Center_of_mass

    The center of mass of a body with an axis of symmetry and constant density must lie on this axis. Thus, the center of mass of a circular cylinder of constant density has its center of mass on the axis of the cylinder. In the same way, the center of mass of a spherically symmetric body of constant density is at the center of the sphere.

  7. Influence line - Wikipedia

    en.wikipedia.org/wiki/Influence_line

    An influence line for a given function, such as a reaction, axial force, shear force, or bending moment, is a graph that shows the variation of that function at any given point on a structure due to the application of a unit load at any point on the structure. An influence line for a function differs from a shear, axial, or bending moment diagram.

  8. Central force - Wikipedia

    en.wikipedia.org/wiki/Central_force

    A diagram of Central forces. In classical mechanics, a central force on an object is a force that is directed towards or away from a point called center of force. [a] [1]: 93 = | | ^ where F is a force vector, F is a scalar valued force function, r is the position vector, ||r|| is its length, and ^ = / ‖ ‖ is the corresponding unit vector.

  9. Copernican principle - Wikipedia

    en.wikipedia.org/wiki/Copernican_principle

    While the Copernican principle is derived from the negation of past assumptions, such as geocentrism, heliocentrism, or galactocentrism which state that humans are at the center of the universe, the Copernican principle is stronger than acentrism, which merely states that humans are not at the center of the universe. The Copernican principle ...