For a non-linear force–extension graph, the work done is found by:

  1. dividing the force by extension
  2. multiplying the final force by the extension
  3. estimating the area under the curve (e.g. counting squares)
  4. using 12Fe always
Answer

C) estimating the area under the curve (e.g. counting squares)

The triangle formula only works for a straight line. SLO P-11-B-27 · Application

Physics MCQ · More Deformation of Solids MCQs · Practise