CBSE Class 11-science Answered
Write down the expression for workdone in the extension of wire.
Asked by sompradhan37 | 21 Feb, 2020, 09:12: PM
Expert Answer
Youngs modulus Y = Stress/Strain
Y = (F/A) / ( /L )
where F is applied force and A is area of cross section , is change in length and L is initial length
hence force F = [ ( Y A ) / L ] = k
where k is constant and depends on youngs modulus, cross section area and length.
workdone
Answered by Thiyagarajan K | 22 Feb, 2020, 10:42: AM
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