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Weight on an incline

  1. Mar 5, 2009 #1
    1. The problem statement, all variables and given/known data
    perpendicular weight is given,
    Parallel weight is given
    Need to find actual weight and angle of incline


    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Mar 5, 2009 #2

    LowlyPion

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    Welcome to PF.

    Can you be a little more specific?
     
  4. Mar 5, 2009 #3
    I am given a problem that states the perpendicular weight is 390 and the parallel weight is 330 and it ask to find the weight or force of gravity and the angle of the incline. I know that the perpendicular weight is equal to mgsine theta, and the parallel weight is mgcosin theta.
     
  5. Mar 5, 2009 #4

    LowlyPion

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    Since they are vectors, then won't the ratio of the two be an expression of θ ?

    Then just take the inverse to find θ .
     
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