Only problem 2.3-3 2700 lb,2.3-3 A steel bar AD (see figure) has a cross-sectionalarea of 0.40 in.² and is loaded by forces P₁1800 lb, and P3 1300 lb. The lengths of the= 60 in., b = 24 in., and c = 36 in.P2segments of the bar are a =(a) Assuming that the modulus of elasticity E30 x 106 psi, calculate the change in length of the bar.Does the bar elongate or shorten?(b) By what amount P should the load P3 be increasedso that the bar does not change in length when the three loadsare applied?=A1602kPROB. 2.3-3B=P1bCP21- P32.3-4 A rectangular bar of length L has a slot in the middlehalf of its length (see figure). The bar has width b, thicknessand modulus of elasticity E. The slot has width b/4.to the axial loads P.(a) Obtain a formula for the elongation of the bar due(b) Calculate the elongation of the bar if the material ishigh-strength steel, the axial stress in the middle15region

The axial forces are as follows-

Answered: 3-3 A steel bar AD (see figure) h- ea…

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3-3 A steel bar AD (see figure) h- ea of 0.40 in.2 and is loaded by fo-

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.3.3P: An aluminum bar AD (see figure) has a cross-sectional area of 0.40 in- and is loaded by Forces Pi=...

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