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Electric motor

  1. Jun 8, 2005 #1
    Two people carry a heavy electric motor by placing it on a light board of length 2.50 m. One person lifts at one end with a force of 400 N, and the other lifts the opposite end with a force of 560 N.

    a) What is the weight of the motor?
    b) Where along the board is its center of gravity located? Express your answer as a distance measured from the end where the 400 force is applied.

    ** I know that each force times its distance to the center of mass gives the same product (the moments are equal) but don't know how to do this problem.
  2. jcsd
  3. Jun 8, 2005 #2
    thanks anyways, got it
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