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# Physics Unit 2

### Graphing and gravity

Question | Answer |
---|---|

Slope | a calculation on a graph which shows the change in the y |

g | the acceleration due to gravity on a given planet. On earth the value of g is 9.8 m/s2 |

Inertia | the force you generate due to your mass. It is equal to your weight. |

Gravity | A downward force felt by all objects on a planet, moon, or asteroid |

g force | The amount gravity effects a body in a given situations expressed in multiples of g |

Weightlessness | the lack of inertia a body feels when there is no gravity |

Mass | the amount of matter an object contains |

Weight | the amount of mass an object has times the acceleration due to gravity. Equal to an objects inertia |

Air resistance | a force that works against gravity as an object free falls |

Terminal Velocity | the final speed an object reaches in free fall as air resistance affects gravity |

Direct relationship | when one variable increases, the other increases at the same rate. Shown as a straight line on a graph |

Inverse relationship | when one variable increases the other decreases at the same rate. Shown as a straight line on a graph |

Direct square relationship | when one variable increases, the other increases at a great rate. Shown as a curved line on a graph |

Inverse square relationship | when one variable increases, the other decreases at a greater rate. Shown as a curved line on a graph |

Created by:
mrmpellegrino