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  2. Use of force continuum - Wikipedia

    en.wikipedia.org/wiki/Use_of_force_continuum

    A use of force continuum is a standard that provides law enforcement officers and civilians with guidelines as to how much force may be used against a resisting subject in a given situation. In some ways, it is similar to the U.S. military 's escalation of force (EOF). The purpose of these models is to clarify, both for law enforcement officers ...

  3. Use of force - Wikipedia

    en.wikipedia.org/wiki/Use_of_force

    The use of force, in the context of law enforcement, may be defined as, "the amount of effort required by police to compel compliance by an unwilling subject." [1] Use of force doctrines can be employed by law enforcement officers and military personnel, who are on guard duty. The aim of such doctrines is to balance the needs of security with ...

  4. Standard Model - Wikipedia

    en.wikipedia.org/wiki/Standard_Model

    The development of the Standard Model was driven by theoretical and experimental particle physicists alike. The Standard Model is a paradigm of a quantum field theory for theorists, exhibiting a wide range of phenomena, including spontaneous symmetry breaking, anomalies, and non-perturbative behavior.

  5. Free body diagram - Wikipedia

    en.wikipedia.org/wiki/Free_body_diagram

    In physics and engineering, a free body diagram (FBD; also called a force diagram) [1] is a graphical illustration used to visualize the applied forces, moments, and resulting reactions on a free body in a given condition. It depicts a body or connected bodies with all the applied forces and moments, and reactions, which act on the body (ies).

  6. Hooke's law - Wikipedia

    en.wikipedia.org/wiki/Hooke's_law

    In physics, Hooke's law is an empirical law which states that the force (F) needed to extend or compress a spring by some distance (x) scales linearly with respect to that distance—that is, F s = kx, where k is a constant factor characteristic of the spring (i.e., its stiffness), and x is small compared to the total possible deformation of the spring.

  7. Electromagnetic induction - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_induction

    Electromagnetic or magnetic induction is the production of an electromotive force (emf) across an electrical conductor in a changing magnetic field. Michael Faraday is generally credited with the discovery of induction in 1831, and James Clerk Maxwell mathematically described it as Faraday's law of induction. Lenz's law describes the direction ...

  8. Classical mechanics - Wikipedia

    en.wikipedia.org/wiki/Classical_mechanics

    Classical mechanics is a physical theory describing the motion of objects such as projectiles, parts of machinery, spacecraft, planets, stars, and galaxies. The development of classical mechanics involved substantial change in the methods and philosophy of physics. [1] The qualifier classical distinguishes this type of mechanics from physics ...

  9. Power (social and political) - Wikipedia

    en.wikipedia.org/wiki/Power_(social_and_political)

    t. e. In political science, power is the social production of an effect that determines the capacities, actions, beliefs, or conduct of actors. [ 1 ] Power does not exclusively refer to the threat or use of force (coercion) by one actor against another, but may also be exerted through diffuse means (such as institutions).