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define the young`s modulus

define the young`s modulus

Grade:9

2 Answers

Vasantha Kumari
askIITians Faculty 38 Points
7 years ago
Within the elastic limits the ratio between the longitudinal stress and longitudinal stain is Young's Modulus.
Young's Modulus Y = Longitudinal Stress/Longitudinal Strain
Longitudinal stress = Force/Area and
Longitudinal strain = Change in length/Original length
Thus unit of Y is Pascal(Pa) or Nm–2

Thanks & Regards,

Vasantha Sivaraj,

askIITians faculty

Indu
47 Points
7 years ago
its the ratio of longitudinal stress to longitudinal strain. i.e, young`s modulus =[f/a]/[e/l] = [FL] / [Ae] note, both stress and strain are longitudinal.

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