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Shearing Modulus in Physics

  1. Nov 21, 2011 #1
    1. The problem statement, all variables and given/known data


    How much force is required to punch a hole 1/2 inch in diameter from a 1/8 inch thick sheet of steel with a shearing strength of 4x10^4 PSI?



    2. Relevant equations


    Formula goes like this

    Shearing Modulus = (Force/Area) / (Shearing Length/Length to be sheared)

    3. The attempt at a solution

    Force = ?
    Area = ∏(d^2/4)
    Shearing Length = ?
    Length to be sheared = 1/8 inch

    My problem now is i cannot find out how to get the shearing length that is needed to solve the equation.

    Solving the equation regardless of the shearing length value will yield:

    = 63 kPSI * Shearing Length
     
  2. jcsd
  3. Nov 21, 2011 #2
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