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Door/torque question

  1. Dec 9, 2006 #1
    1. The problem statement, all variables and given/known data

    A uniform door
    weighs 50.0 N and
    is 1.0 m wide and
    2.6 m high. What is
    the magnitude of
    the torque due to
    the door's own
    weight about a
    horizontal axis
    perpendicular to the
    door and passing
    through a corner?

    http://img519.imageshack.us/img519/5172/untitledwp6.png [Broken]

    question; where does t=rF come from? it is not found on my equation sheet...
    Last edited by a moderator: May 2, 2017
  2. jcsd
  3. Dec 9, 2006 #2


    User Avatar
    Homework Helper

    This is extremely elementary. What is the definition of the torque?
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