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# Force and Motion

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

An object at rest will stay at rest or an object in motion will stay in motion unless moved by a force. This is an example of _______________________ | Newton's 1st law |

Newton's 1st law is also called the _____________________ | Law of inertia |

The tendency of an object to stay at rest or stay moving (unless started/stopped by a force) | Inertia |

You need to apply force to get a mass to accelerate. What law? | Newton's 2nd law |

In the 2nd law, what is the formula? | F = m times a |

In the 2nd law formula, what does F stand for? | force |

In the 2nd law formula, what does the m stand for? | mass |

In the 2nd law formula, what does the a stand for? | acceleration |

For every action, there is an equal and opposite reaction. What law is this? | Newton's 3rd law |

How many laws of motion did Newton create? | 3 |

Who created the laws of motion? | Sir Isaac Newton |

What is a force? | a push or a pull |

When something is moving, it is an _______________________ force. | unbalanced |

When something is not moving, or at rest, it is a _____________________force | balanced |

When you are standing up in a train and the train suddenly stops but your body keeps moving forward, this is Newton's ___________________________ | 1st law |

As little Abby skips, her feet push down on the floor and the floor pushes upon her. This is called an __________________________ pair. | action-reaction |

When air rushes out of a balloon, the balloon flies the opposite way into the air. This is Newton's __________________________ | 3rd law |

A full grocery cart needs more force to push it than an empty one. This is Newton's ______________________________ | 2nd law |

When you paddle a canoe, this is an example of Newton's ____________ law | 3rd |

A soccer ball will not move unless it is kicked. This is an example of Newton's ______________ law. | 1st |

As a hockey player skates, she pushes harder with her leg muscles, and then begins to accelerate, or move, faster. This is an example of Newton's ___________ law. | 2nd |

The force between 2 objects that are touching | Friction |

The force that pulls objects to the ground | gravity |

The unit of force is called a ____________________ | Newton (N) |