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Homework Help: Tension help

  1. Oct 8, 2009 #1
    1. The problem statement, all variables and given/known data

    A 1.89 kg mass is suspended from a string which is pulled upward. The mass accelerates upwards with an acceleration of 3.30 m/s2. What is the tension in the string?
  2. jcsd
  3. Oct 8, 2009 #2
    The way it works here is;

    We can't help you until you show your attempt, even if it is totally wrong.

  4. Oct 8, 2009 #3
    Ok I tried 6.237=Fnet
    18.53-6.237 =
    18.53N But thats whrong
  5. Oct 8, 2009 #4
    From Newton's Law



    F is the force (N)

    m is the mass (kg)

    a is the acceleration due to gravity. On Earth it is 9.81 N/s^2

    Set up a free body diagram and sum for forces in the y direction.

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