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Chapter 1 Vocab phys
Motion, Force and Energy
Question | Answer |
---|---|
Motion | The State in which one object's distance from another is changing |
Refrence point | A place or an object used for comparison to determine if an object is in motion |
Internation System of Units (SI) | A system of measurement based on multiples of 10 and on establish measures of mass, distance, volume and time |
Meter | The basic SI unit of distance or length |
Speed | The distance an object travels in one unit of time |
Velocity | Speed in a given direction |
Acceleration | The rate at which velocity changes |