1. If a force moves an object or changes its direction, what is being done? A power B energy in Joules C work |

2. The unit used to measure Work is: A horsepower B Newtons C Joules |

3. The rule for calculating Work is: A force X distance B mass / volume C energy / time |

4. Who does more work - a man who lifts a large box from the ground up into the back of a truck, or a man who puts the same box on a trolley and wheels it up a ramp into the truck? A the man who lifts it B the man with the trolley C they do the same work |

5. A weightlifter lifts barbells of 200 Newtons above his head to a height of 2 metres. How much work does he do? A 400 Newtons B 100 Joules C 400 Joules |

6. Energy and work use the same unit of the Joule because: A that is the unit chosen by the scientist named Pascal who studied heat B energy is required to do work C both measure the speed at which power is used |

7. One kilojoule equals: A 1000 Joules B 100 Joules C 1/1000 Joule |

8. The old imperial unit for energy was the: A basal energy requirement B calorie C kilojoule |

9. The rate at which work is done is called: Apower Bwork Cenergy |

10. Power is measured in: AJoules BWatts CNewtons |

11. The rule for the calculation of power is: AJoules / seconds Benergy X time Cwork / time |

12. 1 Watt is equivalent to: A1 Joule per second B1/10 Newton per metre C1 Newton metre |

13. The old imperial unit for power was the: AKelvin Bhorsepower Ckilojoule |

14. If 100 Joules of work was done in 10 seconds, what power was used? A1 kiloWatt B10 Watts C1000 Watts |

15. If a weightlifter lifts 2000 Newtons to a height of 2 metres in 4 seconds, how powerful is he? A1 horsepower B1 Watt C1 kiloWatt |

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