Mass Quantity and Units

Mass is a SI base quantity. Definitions are provided in namespace mass. The base quantity defines derived quantity types KiloGramClass, and Variable Mass, Constant MassConstant, and VariableVector MassVector.

The Dimension of Mass is .

Mass defines the following Units:

• Gram (prefixable)
• ElectronMass
• Dalton
• U
• Gamma
• Tonne (prefixable)
• Pound
• Ounce
• TroyOunce
• Grain

The default unit is KiloGram (kg). The default name in the base quantity is `mass', and the default symbol is `m'. The derived quantity does not overwrite these values.

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