1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: 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


    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?
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook