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Grade: 9

                        

define the young`s modulus

6 years ago

Answers : (2)

Vasantha Kumari
askIITians Faculty
38 Points
							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

6 years ago
Indu
47 Points
							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.
						
6 years ago
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