what is young modulus of elasticity and prove it
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Answer:
It is the ratio of longitudnal stress to longitudinal strain
It is denoted by "Y"
Explanation:
Y= longitudinal stress/ longitudinal strain = σ/ ε.....1
longitudinal stress = F/A
longitudinal strain =l/L
Putting this value in equation 1
= (F/A)/ (l/L)
Y=FL/Al
F= Force
A=area of cross section
L= Original length.
l= Change in length.
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