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  2. Parasternal heave - Wikipedia

    en.wikipedia.org/wiki/Parasternal_heave

    A parasternal heave, lift, [1] or thrust [2] is a precordial impulse that may be felt (palpated) in patients with cardiac or respiratory disease. Precordial impulses are visible or palpable pulsations of the chest wall, which originate on the heart or the great vessels .

  3. Six degrees of freedom - Wikipedia

    en.wikipedia.org/wiki/Six_degrees_of_freedom

    Moving up and down on the Z-axis. (Heave) Rotational envelopes: Tilting side to side on the X-axis. Tilting forward and backward on the Y-axis. Turning left and right on the Z-axis. In terms of a headset, such as the kind used for virtual reality, rotational envelopes can also be thought of in the following terms: Pitch: Nodding "yes"

  4. Fault (geology) - Wikipedia

    en.wikipedia.org/wiki/Fault_(geology)

    A section of a hanging wall or foot wall where a thrust fault formed along a relatively weak bedding plane is known as a flat and a section where the thrust fault cut upward through the stratigraphic sequence is known as a ramp. [24] Typically, thrust faults move within formations by forming flats and climbing up sections with ramps. This ...

  5. Ship motions - Wikipedia

    en.wikipedia.org/wiki/Ship_motions

    The vertical/Z axis, or yaw axis, is an imaginary line running vertically through the ship and through its centre of mass.A yaw motion is a side-to side movement of the bow and stern of the ship.

  6. Thrust - Wikipedia

    en.wikipedia.org/wiki/Thrust

    Thrust is a reaction force described quantitatively by Newton's third law. When a system expels or accelerates mass in one direction, ...

  7. Heave - Wikipedia

    en.wikipedia.org/wiki/Heave

    Heave or heaving may refer to: Heave (translational motion), one of the translational degrees of freedom of any stiff body (for example a vehicle), describing motion along the vertical axis (to move up or down) Heaving to or 'heave to', a way of slowing a sailing vessel's forward progress; Hiv, Iran (romanized as Heave), a village in Alborz ...

  8. Aircraft flight mechanics - Wikipedia

    en.wikipedia.org/wiki/Aircraft_flight_mechanics

    In flight a powered aircraft can be considered as being acted on by four forces: lift, weight, thrust, and drag. [1] Thrust is the force generated by the engine (whether that engine be a jet engine, a propeller, or -- in exotic cases such as the X-15-- a rocket) and acts in a forward direction for the purpose of overcoming drag. [2]

  9. Thrust (particle physics) - Wikipedia

    en.wikipedia.org/wiki/Thrust_(particle_physics)

    In high energy physics, thrust is a property, (one of the event shape observables) used to characterize the collision of high energy particles in a collider. When two high energy particles collide, they typically produce jets of secondary particles. This happens when one or several quark-antiquark pairs are produced during the collision.