# 2.1: Question Preview (ID: 13284)

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What is the basic equation for work? |
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a) F/d | b) F * d | c) F * A | d) F/ A | |

The work unit of one joule is equal to |
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a) 1 footpount | b) 1 meter | c) 1 newton meter | d) 1 foot | |

What is the unit of work in the English system |
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a) joule | b) foot pound | c) newton meter | d) ounce | |

This is equal to the output work divided by the input work times 100% |
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a) work | b) force | c) pressure | d) efficiency | |

Angles can be represented by |
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a) radians | b) degrees | c) theta | d) all of these | |

How much work is done by a student when a 500 lb weight is lifted 10 feet? |
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a) 500 * 10 | b) 500 / 10 | c) 500 + 10 | d) 10 / 500 | |

How much work is done by a student who holds a 10 pound weight for 30 seconds? |
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a) 300 joules | b) 300 foot pounds | c) 3 newton meters | d) no work is done | |

What is one revolution equal to? |
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a) 3.14 | b) 2 times 3.14 | c) 0.5 times 3.14 | d) pi | |

What is the torque exerted on a wrench with a force of 30 pounds if the length of the wrench is 2 feet? |
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a) 60 foot pounds | b) 15 foot pounds | c) 60 joules | d) 15 joules | |

If 1000 joules of work are done using a force of 250 newtons, what distance is the force moved through? |
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a) 250 times 1000 | b) 250 divided by 1000 | c) 1000 divided by 250 | d) 1000 divided by 250 times 100% | |

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