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Questions and Answers
What is the purpose of measurement in physics?
Which of the following correctly identifies a base unit within the SI system?
What distinguishes derived units from base units?
What was the primary reason for adopting the SI system?
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Which unit of measurement is associated with the FPS system?
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Study Notes
### Introduction to Measurement
- Measuring physical quantities involves comparing them to a standard reference.
- The result is expressed as a number with a unit.
- Units for fundamental quantities are called base units.
- Units for derived quantities are called derived units.
- A system of units is a complete set of units.
### International System of Units (SI)
- The SI system is the internationally accepted system of units.
- Traditionally, scientists used different systems like CGS, FPS, and MKS.
- CGS stands for centimeter, gram, second.
- FPS stands for foot, pound, second.
- MKS stands for metre, kilogram, second.
- The SI system was developed by the Bureau International des Poids et Mesures (BIPM).
- The SI system was revised in November 2018.
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Description
This quiz covers the basics of measurement and the International System of Units (SI). Understand how physical quantities are compared to standards and learn about different unit systems such as CGS, FPS, and MKS. Test your knowledge on the definitions and significance of base and derived units.