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# Forces (8.6A)

### Determine how UB forces change speed or direction of an object's motion

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

What is speeding up, slowing down, or changing direction? | Acceleration |

How do you calculate net force if two forces are going in the SAME direction? | Add the forces |

How can an object that is not in motion be described? | At rest |

What kind of forces are acting when an object is at rest or it's moving in a straight line at a constant speed? | Balanced forces |

What is speed with direction? | Velocity |

What is distance traveled in a certain amount of time? | Speed |

What is the total of all forces acting upon an object? | Net force |

How do you calculate net force if two forces are going in OPPOSITE directions? | Subtract the forces |

What is the unit in which force is measured? | Newton (N) |

How do you calculate force? | Mass x Acceleration |

How do you calculate mass? | Force divided by Acceleration |

How do you calculate acceleration? | Force divided by Mass |

What is a push or a pull? | Force |

What is the unit in which mass is measured? | Kilogram (kg) |

The amount of matter in an object defines - | Mass |

What is a force that opposes the motion of one object across another? | Friction |

What is the unit in which speed is measured? | m/s |

What is the unit in which acceleration is measured? | m/s^2 (meters per second squared) |

Which forces cause an object to accelerate? | Unbalanced forces |

Created by:
khedlund