Recent content by wock

  1. W

    Calculate Min Drum Diameter for Copper Strip 4mm Thick, max Stress 332MN/m2

    Homework Statement 3. Calculate the minimum diameter of drum on which copper strip 4mm thick may be wound if the maximum bending stress is not to exceed 332MN/m2. Assume E = 95 GN/m2 σ /(yxE)=r Homework Equations The Attempt at a Solution would this work if so i make it...
  2. W

    Calculating Extension & Stress in Machined Steel Bar

    thanks
  3. W

    Calculating Extension & Stress in Machined Steel Bar

    Homework Statement 1. A steel bar 375mm long is machined to give a diameter of 75mm for the first 175mm length, a diameter of 45mm for the next 100mm length and a diameter of 37mm for the final 100mm length. Determine: (i) The total extension of the bar when it’s subjected to an axial...