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Calculating Power without distance?

  1. May 13, 2015 #1
    1. The problem statement, all variables and given/known data

    Calculate the power of a motor that can lift 600 N in 1 Minute

    2. Relevant equations


    3. The attempt at a solution

    I've been asked to help a friends daughter with this question because I work in a Lab, unfortunately I'm a biologist working in a chemistry lab so I'm struggling!


    I assumed that distance was required to work out power:

    power (W) = N x Distance (m)

    Time (s)

    Am I missing something entirely?

    Thanks in advance!
     
  2. jcsd
  3. May 13, 2015 #2

    BvU

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    Hello AP, welcome to PF :smile: !

    Yes, there is something missing: 600 N is a force. Work (energy) is force times distance. Power is work per time. So the calculation

    Power = Force x distance / time
    can't be made: the distance is missing.
     
  4. May 13, 2015 #3
    Thanks very much!

    This problem is in a GCSE revision book, and that is the problem word for word. At least it has got me interested in physics again, thanks for the welcome.
     
  5. May 13, 2015 #4

    BvU

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    Strange. You can imagine it takes a bit more power to lift 600 N over 100 m in one minute than over 1 meter ...
     
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