Physics

1. A force of 40N at the end of a wire of length 4m and diameter 2mm process and extension of 0.24mm. Calculate; (a) stress on the wire (b) strain in the wire (c) Young's Modulous for the material of the wire (π=3.14)

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  1. r = 10^-3 meters
    stress = F/area = 40/ (pi r^2) = 40 /( pi * 10^-6)
    strain = elongation/length = 0.24*10^-3 / 4
    Young mod = stress/strain =

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    Damon
  2. I don't know answer it

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  3. please answer my question

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