Across |

5. | input distance divided by output distance = ______ mechanical advantage |

6. | the distance between the output force and the fulcrum of a lever (2 Words) |

10. | a machine can change the _____ of the force |

13. | the SI unit of work |

14. | a machine can change the _____ of the force |

16. | The input work is always _____ than the output work |

17. | force x distance |

18. | to increase power, you can do a given amount of work in _____ time |

20. | what is the efficiency of a machine with a work input of 400J and a work output of 300J ? |

21. | a combination of two or more simple machines that work together (2 Words) |

22. | if the input force increases, then the input distance _______ |

24. | a rigid bar that is free to move around a fixed point |

25. | a unit of force |

26. | a slanted surface along which a force moves an object to a different elevation (2 Words) |

28. | (work output / work input) x 100% |

30. | the SI unit of power |

34. | a machine that consists of two disks or cylinders, each with a different radius is a wheel and _____ machine |

35. | a seesaw is an example of a __________ lever |

38. | IMA (3 Words) |

40. | to increase power, you can _______ the amount of work done in a given time |

41. | how much power in watts is done when 4000J of work is performed over 20s? |

46. | AMA is always _____ than IMA |

47. | how many seconds are in 1.5 hours? |

49. | what is the work input of a machine with a work output of 500J and an efficiency of 80% ? |

50. | How much horsepower is needed to move a 8250N object 300m in 20s? (round your answer to the nearest one place) |