a metal cylinder is melted and whole mass is cast in the shape of a cube. what happens to its density?
Answers
The density remains the same as the material remains the same.
It is the physical property of a matter that describes how the individual particles of the substance are closely packed together. In other words, it describes the degree of compactness of a substance.
In qualitative manner, the density of a substance is defined as its mass per unit volume, i.e.,
Density(ρ) = Mass(M) / Volume(V)
The amount of matter contained in the body is called mass. The mass is measured commonly in grams (g) and its SI unit is kilogram (kg).
The space occupied by the quantity of matter is called volume of the object. It is measured in cubic centimetres (cm^3) and its SI unit is m^3.
Therefore, unit of density is g/cm^3 or kg/m^3
1 kg m^-3 = 10^-3 gcm^-
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