PhysicsElasticityJAMB
A force of 100 N acts on a wire of cross-sectional area 2 mm². Find the stress.
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Answer: C. 5 × 10⁷ Pa
2 mm² = 2 × 10⁻⁶ m²; stress = 100 ÷ 2 × 10⁻⁶ = 5 × 10⁷ Pa.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.