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Maximum Upward Acceleration of a String

  1. May 4, 2008 #1
    1. The problem statement, all variables and given/known data
    A string can withstand a maximum tension of 200 N. What is the maximum upward acceleration one can impart to a 10 kg mass using this string?


    2. Relevant equations
    T=ma
    a=F/m


    3. The attempt at a solution
    so i tried just plugging those variables in that equation and i got 20 m/s^2 i know this is wrong but i cant seem to find the right equation to solve this problem. please help i know its simple
     
  2. jcsd
  3. May 4, 2008 #2
    Draw out the free body diagram. There's both gravity and the tension of the string that you need to take into account.
     
  4. May 4, 2008 #3
    And if you know your net force in the downward direction cannot exceed 200 N, then...

    And don't forget to include gravity in your force diagrams.
     
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