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Magnitude of total force of stone on a hand

  1. May 31, 2009 #1
    1. The problem statement, all variables and given/known data
    A man lifts a 1.9 kg stone vertically with his hand at a constant upward acceleration of 1.5 m/s2. What is the magnitude of the total force of the stone on the man's hand?


    2. Relevant equations

    F=ma

    3. The attempt at a solution

    I used this equation but got the wrong answer....not sure what your suppose to do for this problem
     
  2. jcsd
  3. May 31, 2009 #2

    Doc Al

    User Avatar

    Staff: Mentor

    Re: force?

    In the equation F = ma, what does F stand for? What forces act on the stone?
     
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