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  2. Drop impact - Wikipedia

    en.wikipedia.org/wiki/Drop_impact

    A drop striking a liquid surface; in this case, both the drop and the surface are water. In fluid dynamics, drop impact occurs when a drop of liquid strikes a solid or liquid surface. The resulting outcome depends on the properties of the drop, the surface, and the surrounding fluid, which is most commonly a gas.

  3. Archimedes' principle - Wikipedia

    en.wikipedia.org/wiki/Archimedes'_principle

    When an object is immersed in a liquid, the liquid exerts an upward force, which is known as the buoyant force, that is proportional to the weight of the displaced liquid. The sum force acting on the object, then, is equal to the difference between the weight of the object ('down' force) and the weight of displaced liquid ('up' force).

  4. Izod impact strength test - Wikipedia

    en.wikipedia.org/wiki/Izod_impact_strength_test

    Scheme for the determination of Izod impact strength test results. Impact, by definition, is a large force applied for a very short time, resulting in a sudden transfer of momentum and energy, and its effect is different when the same amount of energy is transferred more gradually. Everyday engineering structures are subjected to it and may ...

  5. Drop (liquid) - Wikipedia

    en.wikipedia.org/wiki/Drop_(liquid)

    The limit of this formula, as α goes to 90°, gives the maximum weight of a pendant drop for a liquid with a given surface tension, . m g = π d γ {\displaystyle \,mg=\pi d\gamma } This relationship is the basis of a convenient method of measuring surface tension, commonly used in the petroleum industry.

  6. Shock (mechanics) - Wikipedia

    en.wikipedia.org/wiki/Shock_(mechanics)

    In mechanics and physics, shock is a sudden acceleration caused, for example, by impact, drop, kick, earthquake, or explosion. Shock is a transient physical excitation. Shock describes matter subject to extreme rates of force with respect to time. Shock is a vector that has units of an acceleration (rate of change of velocity).

  7. Spray (liquid drop) - Wikipedia

    en.wikipedia.org/wiki/Spray_(liquid_drop)

    When a nozzle is used for cleaning, the impact or pressure is called impingement. As with all spray patterns, the unit impact decreases as the distance from the nozzle increases, thereby increasing the impact area size. The spray impact, , depends on the volumetric flowrate Q and pressure drop according to the equation below. The nozzle type ...

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  9. Impact (mechanics) - Wikipedia

    en.wikipedia.org/wiki/Impact_(mechanics)

    In mechanics, an impact is when two bodies collide. During this collision, both bodies decelerate. The deceleration causes a high force or shock, applied over a short time period. A high force, over a short duration, usually causes more damage to both bodies than a lower force applied over a proportionally longer duration.