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The specific weight, also known as the unit weight (symbol γ, the Greek letter gamma), is a volume-specific quantity defined as the weight W divided by the volume V of a material: = / Equivalently, it may also be formulated as the product of density, ρ, and gravity acceleration, g: = Its unit of measurement in the International System of Units (SI) is newton per cubic metre (N/m 3), with ...
The values of these units are based on Jefferson's proposal of a foot that was equal in length to one-fifth of a second rod, one fourth of an inch shorter than the foot in use at the time, and approximately equal to 0.298461684 m. [5] For the mass units, the ounce as a base would equal the weight of a cubic inch of pure water at standard ...
A metric ounce is an approximation of the imperial ounce, US dry ounce, or US fluid ounce. These three customary units vary. However, the metric ounce is usually taken as 25 or 30 ml (0.88 or 1.06 imp fl oz; 0.85 or 1.01 US fl oz) when volume is being measured, or in grams when mass is being measured.
A kip is a US customary unit of force. It equals 1000 pounds-force , and is used primarily by structural engineers to indicate forces where the value represented in pound-force is inefficient. Although uncommon, it is occasionally also considered a unit of mass , equal to 1000 pounds (i.e. one half of a short ton ).
11.4 mL (0.39 US fl oz; 0.40 imp fl oz) Roman ligula: konchē κόγχη: 5 kochliaria 22.7 mL (0.77 US fl oz; 0.80 imp fl oz) shell-full kyathos κύαθος: 10 kochliaria 45.5 mL (1.54 US fl oz; 1.60 imp fl oz) Roman cyathus: oxybaphon ὀξυβαφον: 1 + 1 ⁄ 2 kyathoi 68.2 mL (2.31 US fl oz; 2.40 imp fl oz) Roman acetabulum
In other words, for an object floating on a liquid surface (like a boat) or floating submerged in a fluid (like a submarine in water or dirigible in air) the weight of the displaced liquid equals the weight of the object. Thus, only in the special case of floating does the buoyant force acting on an object equal the objects weight.
"The majority of the adult body is water, up to 60% of your weight," says Schnoll-Sussman, adding that the average person's weight can fluctuate one to five pounds per day due to water.
ons, once – 1 ⁄ 16 pond = 30.881 g (1.0893 oz) (with variations, now 100 g) An ons was 1 ⁄ 16 of a pond. An ons was generally around 30 grams, but there was much variation. The figures provided above for the weight of the various pounds used in the Netherlands can be divided by 16 to obtain the weights of the various ounces in use.