Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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Transcribed Image Text:Q4/A brass bar shown in fig 2 is subjected to a tensile load of 40 kN. Find the total clongation
of the bar if E=1x10 N/mm2
Expert Solution
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Step 1
Given Data :
load, P = 40 KN = 40000 N
length L1 = 200 mm , L2 = 300 mm, L3 = 400 mm
Diameter d1 = 30 mm , d2 = 20 mm , d3 = 40 mm
Young modulus of elasticity, E = 1*105 N/mm2
Area A1 = π*302/4 = 706.86 mm2
Area A2 = π*202/4 = 314.16 mm2
Area A3 = π*402/4 = 1256.64 mm2
Therefore,
Total elongation , Δ = Δ1+ Δ2+ Δ3
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