A-LevelPhysicsDeformation of solidsMay/June 2021Paper 1 Q191 Mark
A steel bar of circular cross-section is under tension T, as shown. [Figure 19.1] The diameter of the wide portion is double the diameter of the narrow portion. What is the value of stress in the wide portion / stress in the narrow portion?
A0.25
B0.50
C2.0
D4.0
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The correct answer is A. This question tests the candidate's understanding of deformation of solids within the Physicssyllabus. The examiner's mark scheme requires...
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