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Please solve the question in photo
Asked by Vidushi412 | 24 Mar, 2019, 05:48: PM
Expert Answer
Youngs modulus Y = Stress / Strain = (Force/Area) / ( ΔL/L) .......................(1)
where L is original length of metal ring (circumference of ring) and ΔL is change in length due to linear expansion.
ΔL = L×α×ΔT .......................(2)
from eqn.(1) and (2), Force = Y×(ΔL/L ) Area = ( Y × α ×ΔT ×S )
Answered by Thiyagarajan K | 25 Mar, 2019, 06:39: AM
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