Term | Definition |
---|---|

Reference point | the starting point you choose to describe location or position of an object. |

Position | an object's distance and direction from a reference point. |

Motion | the process of changing position relative to a reference point. |

Displacement | the difference between the initial position and the final position of an object. |

Speed | a measure of distance an object travels per unit of time. |

Constant speed | the rate of change of position in which the same distance is traveled each second |

Instantaneous speed | speed at a specific instant in time. |

Average speed | the total distance traveled divided by the total time taken to travel that distance. |

Velocity | speed and direction of a moving object. |

Accelaration | a measure of change in velocity during a period of time. |

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