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PhyA constant motion
| Term | Definition |
|---|---|
| Reference frame | Coordinate system or set of axes within which to measure the position |
| Position | Location sometimes in the form of coordinates |
| Scalar | Numeral value direction ignorant |
| Vector | Numeral value direction aware |
| Distance | How much ground an object has covered during its motion scalar |
| Displacement | How far out of place an object is over all change in starting position |
| Speed | Scalar how fast an object moves |
| Velocity | Vector rate at which position changes |