Physics (AS & A Level) · Oct / Nov 2017 · Paper 12 · Question 20

A bolt is subjected to a tensile force, as shown. The bolt has a circular cross-section. At end X the diameter is 2d. At end Y the diameter is d. What is the ratio $\dfrac{\text{stress at Y}}{\text{stress at X}}$?

1. A0.25
2. B0.50
3. C2.0
4. D4.0

As printed in the paper