Explain the following terms: (a) tensile stress; (b)Young’s modulus
PHYSICS
WAEC 2009
Explain the following terms:
(a) tensile stress;
(b)Young’s modulus
Explanation
(a)Tensile stress is the ratio of force to cross-sectional area of a wire/rod. It is expressed in Newton per metre squared (Nm\(^{-2}\))
(b)Young’s modulus is the ratio of tensile stress to tensile strain. It is expressed in Newton per metre squared. (Nm\(^{-2}\))
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