Density is a fundamental physical property of matter that describes how much mass is contained within a given volume. It is a measure of how tightly packed the particles of a substance are. Density plays a crucial role in various scientific fields, including physics, chemistry, and engineering.
Formula
The formula for density is:
\[ \rho = \frac{m}{V} \]
Where:
\( \rho \) (rho) is the density (typically in kg/m³)
\( m \) is the mass of the object (in kg)
\( V \) is the volume of the object (in m³)
Calculation Steps
Let's calculate the density of an object:
Given:
Mass (\( m \)) = 150 kg
Volume (\( V \)) = 0.1 m³
Apply the density formula:
\[ \rho = \frac{m}{V} \]
Substitute the known values:
\[ \rho = \frac{150 \text{ kg}}{0.1 \text{ m³}} \]
Perform the calculation:
\[ \rho = 1500 \text{ kg/m³} \]
Example and Visual Representation
Let's visualize the concept of density with different materials:
This diagram illustrates:
Different materials with varying densities
The relationship between volume and density (smaller volumes for denser materials with the same mass)
Common materials and their approximate densities
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