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Bending moment

  1. Mar 4, 2005 #1
    I need to work out the bending moment of a steel tube, 25mm diameter (3mm thick) 410mm long.

    im assuming i have to use youngs modulus in some way? whats the correct formula for working out when it will bend?
  2. jcsd
  3. Mar 4, 2005 #2


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    Science Advisor
    Gold Member

    Well firstly you need to decide how the load is applied, and how the tube is constrained.

    Then get drawing some free body diagrams.
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