A balance is best used to measure the mass of a sample.
A balance is a device used to measure the mass of objects. The working principle of the most used scales today is based on Hook's Law. Scales are devices used to measure the mass of a body and are one of the oldest measuring instruments used by man.
Scale (from the Latin bis - two and linx - plate) is an instrument that measures the mass of a body. The usual unit for mass is the kg, as it is an SI unit. Therefore, it is correct to say that scales measure the masses of bodies and objects, not their weight.
With this information, we can conclude that Popularly, we are associating the measurement observed when we step on a scale with the word weight. This argument used by most people is totally wrong. The measurement obtained by stepping on the scale should be called mass, not weight.
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