PhysicsElasticityJAMB
A wire 2 m long with a cross-section of 1 × 10⁻⁶ m² stretches 1 mm under a load of 100 N. Find its Young's modulus.
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Answer: C. 2 × 10¹¹ Pa
Stress = 10⁸ Pa; strain = 0.001/2 = 5 × 10⁻⁴; E = 2 × 10¹¹ Pa.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.