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# Vectors vs Scalars

### Physics Variables - Scalars and Vectors - Clear Lake High School - Berger

Term or Question | Definition or Answer |
---|---|

What is the definition of Acceleration? | “how quickly is velocity changing” = rate of change in velocity (m/s^2) |

What is the definition of Velocity? | “how fast” = rate of change in position (m/s) |

What is the definition of Displacement? | “how far” = change in position (meters) |

Distance: (identify as vector or scalar; give units) | scalar - meters |

Displacement: (identify as vector or scalar; give units) | vector - meters |

Velocity: (identify as vector or scalar; give units) | vector - m/s |

Speed: (identify as vector or scalar; give units) | scalar - m/s |

Acceleration: (identify as vector or scalar; give units) | vector - m/s^2 |

Time: (identify as vector or scalar; give units) | scalar - seconds |

Mass: (identify as vector or scalar; give units) | scalar - kilograms |

Energy: (identify as vector or scalar; give units) | scalar - joules |

Power: (identify as vector or scalar; give units) | scalar - watts |

Temperature: (identify as vector or scalar; give units) | scalar - kelvin |

Area: (identify as vector or scalar; give units) | scalar - m^2 |

Volume: (identify as vector or scalar; give units) | scalar - m^3 |

Force: (identify as vector or scalar; give units) | vector - newtons |

1 centimeter = __________ meters | 1 cm = .01 m and 1 m = 100 cm |

1 kilogram = __________ grams | 1 kg = 1000 g and 1 g = .001 kg |

1 millimeter = __________ meters | 1 mm = .001 m and 1 m = 1000 mm |

The slope of the Position vs time graph is called the ____________ | "velocity" |

The slope of the Velocity vs time graph is called the ____________ | "acceleration" |

If acceleration is zero then the velocity is ________________. | ___ then the velocity is constant. |

If velocity is constant then the acceleration is ________________. | ___ then the acceleration is zero. |