## Glossary of Physics 112 Chapter 2 terms

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- Fundamental quantity
- a base unit that can not be simplified any further, but can be used to generate other quantities.

- Length
- is the concept of a measurable spatial between two points.

- SI units
- specific measurable definition which can be duplicated anywhere in the world assigned to each of seven fundamental quantities.

- USCS units
- United States Customary system- are non-metric units of measurement that are still used in the United States.

- Conversion factor
- ratios used to express a quantity in alternative units

- Area
- a measure of the surface of a geometric figure.

- Cross Section
- the intersection of a 3-dimensional body with a plane.

- Volume
- a measure of how much space, an object displaces. Itâ€™s also used to define the amount of space a non dimensional object fills up.

- Mass
- A quantity of matter. It is the reluctance an object has to a change of direction.

- Weight
- A measurement of the property of one mass attracting to another.