ATPL Mass And Balance Practice Test

Question: 1 / 400

In the context of mass measurement, which unit is used?

Pascals

Kilograms

In the context of mass measurement, kilograms are the appropriate unit to use because mass is defined as the amount of matter in an object, and the kilogram is the standard unit for measuring mass in the International System of Units (SI). When discussing mass, we're focused on how much substance is contained within an object, which is quantified in kilograms. This is important for various calculations in aviation, including weight and balance assessments, as it directly relates to how much load the aircraft can carry.

Pascals are units of pressure, Newtons are units of force (which are derived from mass, but represent different concepts), and Joules are units of energy. While all are important in various scientific contexts, they do not measure mass directly. Therefore, kilograms is the correct and relevant unit for mass measurement specifically in aviation and many other fields.

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Newtons

Joules

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