What is a kilogram?
The word "kilogram" is used very often in everyday life. Let's take a closer look at what a kilogram is.
A kilogram is a value used to denote how heavy a particular item is. It is among the seven units of the International System of Units, with four of these seven units being determined based on the mass of a kilogram.
A kilogram is one of the basic units of mass, or more simply, a measure of the weight of an object. According to the international definition of a kilogram, it is equal to the mass of its reference sample.
The feature of the kilogram is that only its mass is determined using a man-made object - the standard. The standard looks like a cylinder made of an alloy of platinum and iridium and has a height and diameter of 39 mm. He is currently at the International Bureau of Weights and Measures. The standard has copies in different countries of the world and is periodically compared with them to ensure maximum accuracy.
Many believe that a liter is a kilogram of water, but this is not entirely true.
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