A beam is held by 3 bars of the same material/Elastic Modulus, length and same cross-sectional area of 400mm².Hint:1. Will need to use similar triangles.d5DF₁F2Ed1d2d3d4FValues for the figure are given in the following table. Note the figure may not be to scale.VariableValueF140 kNd₁3 3 3 3F280 kN1 md23 m2 m222 md54 ma. Determine the magnitude of the normal force in bar AD, NAD.b. Determine the magnitude of the normal force in bar BE, NBE.c. Determine the magnitude of the normal force in bar CF, NCF.d. Determine the magnitude of the normal stress in bar AD, σAD.e. Determine the magnitude of the normal stress in bar BE, σBE.f. Determine the magnitude of the normal stress in bar CF, σCF.Round your final answers to 3 significant digits/figures.NAD =KNNBE =KNNCF =KNσAD=MPaσBE =MPa

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International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter1: Introduction To Statics

Section: Chapter Questions

Problem 1.12P: A differential equation encountered in the vibration of beams is d4ydx4=2D where x = distance...

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Question

A beam is held by 3 bars of the same material/Elastic Modulus, length and same cross-sectional area of 400
mm².
Hint:
1. Will need to use similar triangles.
d5
D
F₁
F2
E
d1
d2
d3
d4
F
Values for the figure are given in the following table. Note the figure may not be to scale.
Variable
Value
F1
40 kN
d₁
3 3 3 3
F2
80 kN
1 m
d2
3 m
2 m
22
2 m
d5
4 m
a. Determine the magnitude of the normal force in bar AD, NAD.
b. Determine the magnitude of the normal force in bar BE, NBE.
c. Determine the magnitude of the normal force in bar CF, NCF.
d. Determine the magnitude of the normal stress in bar AD, σAD.
e. Determine the magnitude of the normal stress in bar BE, σBE.
f. Determine the magnitude of the normal stress in bar CF, σCF.
Round your final answers to 3 significant digits/figures.
NAD =
KN
NBE =
KN
NCF =
KN
σAD=
MPa
σBE =
MPa

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