A-LevelPhysicsDeformation of solidsFeb/Mar 2017Paper 1 Q211 Mark
A weight of 120 kN is placed on top of a metal column. The length of the column is compressed by 0.25 mm. The column obeys Hooke's law when compressed. How much energy is stored in the compressed column?
A15 J
B30 J
C15 kJ
D30 kJ
✓ Correct Answer
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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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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