Physics 9702 · AS & A Level · Stress and strain

Stress and strain — practice question

The diagram depicts a large construction-site crane raising a cube-shaped load. A scale model is formed of the crane, the load and the cable that holds the load. Each part of the model is made from the same material as the corresponding part in the actual crane, cable and load. In the model, every linear dimension is one tenth of the full-size version. What is the ratio $\frac{\text{extension of the cable on the full-size crane}}{\text{extension of the cable on the model crane}}$?

  • A$10^0$
  • B$10^1$
  • C$10^2$
  • D$10^3$

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