Meter

Definition

A meter is the fundamental unit of length in the International System of Units (SI). It is the base unit used to measure distance, height, width, and other linear dimensions. The meter serves as the foundation for the measurement of various physical quantities within the metric system.

5 Must Know Facts For Your Next Test

1. The meter is defined as the length of the path traveled by light in a vacuum during a time interval of 1/299,792,458 of a second.
2. The meter is used to measure the dimensions of objects, the distance between two points, and the length of various physical quantities.
3. The metric system, which uses the meter as its base unit of length, is the most widely used system of measurement in the world.
4. The meter is divided into smaller units, such as the centimeter (1/100 of a meter) and the millimeter (1/1000 of a meter), to measure smaller distances.
5. The meter is also used in the measurement of other physical quantities, such as area (square meters) and volume (cubic meters).

Review Questions

• Explain the role of the meter as the base unit of length in the International System of Units (SI).
  • The meter is the fundamental unit of length in the SI system, which is the most widely used system of measurement globally. It serves as the foundation for measuring various physical quantities that involve linear dimensions, such as distance, height, width, and depth. The meter enables the standardized quantification of these measurements, allowing for consistent and comparable data across different applications and scientific fields.
• Describe how the meter is divided into smaller units and how these units are used in practical applications.
  • The meter is divided into smaller units, such as the centimeter (1/100 of a meter) and the millimeter (1/1000 of a meter), to measure smaller distances. These smaller units are commonly used in everyday life, engineering, and scientific contexts. For example, the centimeter is often used to measure the dimensions of smaller objects, while the millimeter is used in precision measurements, such as the thickness of materials or the dimensions of electronic components.
• Analyze the relationship between the meter and other physical quantities, such as area and volume, and explain how the meter is used in their measurement.
  • The meter, as the base unit of length, is also used in the measurement of other physical quantities that are derived from length, such as area and volume. For instance, the square meter is used to measure the area of a surface, while the cubic meter is used to measure the volume of a three-dimensional object. The versatility of the meter as a fundamental unit allows for the consistent and standardized quantification of these related physical properties, enabling accurate measurements and comparisons across various applications, from construction and engineering to scientific research and data analysis.

Related terms

Centimeter:

A unit of length in the metric system, equal to one-hundredth of a meter.

Kilometer:

A unit of length in the metric system, equal to one thousand meters.

Micrometer: A unit of length in the metric system, equal to one-millionth of a meter.