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Posted by on Tuesday, November 4, 2008 at 7:18pm.

A cardboard tube has a failure stress of 4,960,000 N/m^2 and an axial stress of 75 N/cm^2, find the factor of safety of the tube.

Is the answer 66133.33

  • Engineering/Algebra - , Tuesday, November 4, 2008 at 7:31pm

    No watch units
    75 N/cm^2 * (10^4 cm^2/m^2) = 7.5*10^5 N/m^2
    4.96*10^6 / 7.5*10^5 = 49.6 / 7.5 = 6.61

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