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  2. International Prototype of the Kilogram - Wikipedia

    en.wikipedia.org/wiki/International_prototype_of...

    Gy = J/kg = ⁠ kg m 2 /s 2 / kg ⁠ = m 2 /s 2; S = 1/Ω = ⁠ 10 −7 s / k A m ⁠ H = Ω s = 10 7 k A m; Because the magnitude of many of the units composing the SI system of measurement was until 2019 defined by its mass, the quality of the IPK was diligently protected to preserve the integrity of the SI system.

  3. Weight plate - Wikipedia

    en.wikipedia.org/wiki/Weight_plate

    The weight used is selected by inserting a pin in the stack that causes each plate above the pin to be pulled by the cable. This arrangement is known as a "selectorized" weight machine. [35] Some weight machines, such as the sled-type leg press, or the Smith machine, are designed to be loaded with Olympic plates instead of using a cable-driven ...

  4. List of World Records and feats of strength by Hafþór Júlíus ...

    en.wikipedia.org/wiki/List_of_World_Records_and...

    Barbell plate pinching – 50 kg (110 lb) Ivanko calibrated plate [210] Barbell plate pinching (for reps) – 11 consecutive flipping pinches with 20 kg (44 lb) Rogue calibrated plate in 19 seconds [211] Behind the back Barbell static hold (grip) – 120 kg (265 lb) for 60 seconds [208]

  5. Standard (metrology) - Wikipedia

    en.wikipedia.org/wiki/Standard_(metrology)

    The international prototype of the kilogram (IPK) is an artefact or prototype that was defined to have a mass of exactly one kilogram.. In metrology (the science of measurement), a standard (or etalon) is an object, system, or experiment that bears a defined relationship to a unit of measurement of a physical quantity. [1]

  6. Kilogram - Wikipedia

    en.wikipedia.org/wiki/Kilogram

    The International Committee for Weights and Measures (CIPM) approved a revision in November 2018 that defines the kilogram by defining the Planck constant to be exactly 6.626 070 15 × 10 −34 kg⋅m 2 ⋅s −1, effectively defining the kilogram in terms of the second and the metre. The new definition took effect on 20 May 2019.

  7. Weighing scale - Wikipedia

    en.wikipedia.org/wiki/Weighing_scale

    Balance scale set, with weights Scales used to measure the weight of fruit in a supermarket Weighing scale in use in Tokyo Digital kitchen scale, a strain gauge scale Weighing scale for a baby includes a ruler for height measurement. A scale or balance is a device used to measure weight or mass.

  8. Mass versus weight - Wikipedia

    en.wikipedia.org/wiki/Mass_versus_weight

    When an object's weight (its gravitational force) is expressed in "kilograms", this actually refers to the kilogram-force (kgf or kg-f), also known as the kilopond (kp), which is a non-SI unit of force. All objects on the Earth's surface are subject to a gravitational acceleration of approximately 9.8 m/s 2.

  9. Check weigher - Wikipedia

    en.wikipedia.org/wiki/Check_weigher

    An alternative is to program the checkweigher to check bands of different weight tolerances. For instance, the total valid weight is 100 grams ±15 grams. This means that the product can weigh 85 g to 115 g. However, if 10,000 packs a day are being produced, and most are 110 g, 100 kg of product is being lost.

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