SECTION A: 1. (a) (b) (c) A lorry chassis beam with uniform cross section is of 10m long and subjected to the loads shown in Fig.Q1(a). The box cross section of this beam is shown in Fig.Q1(b). Find the reactions at A and C shown in Fig.Q1(a) Draw the shear force diagram and the bending moment diagram for the beam showing all salient points Calculate the maximum compressive stress and maximum tensile stress in the beam and sketch the stress distribution across the section 80kN.m 5m 15kN B Fig.Q1 (a) 110 60 5kN/m 5m L 0 95 120 C Fig.Q1(b) (Dimensions in mm)

SECTION A: 1. (a) (b) (c) A lorry chassis beam with uniform cross section is of 10m long and subjected to the loads shown in Fig.Q1(a). The box cross section of this beam is shown in Fig.Q1(b). Find the reactions at A and C shown in Fig.Q1(a) Draw the shear force diagram and the bending moment diagram for the beam showing all salient points Calculate the maximum compressive stress and maximum tensile stress in the beam and sketch the stress distribution across the section 80kN.m 5m 15kN B Fig.Q1 (a) 110 60 5kN/m 5m L 0 95 120 C Fig.Q1(b) (Dimensions in mm)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Bending Moment

In general, we can define the bending moment as the reaction induced when a certain amount of load or force is applied to an element which makes it bend.

Question

SECTION A:
1.
(a)
(b)
(c)
A lorry chassis beam with uniform cross section is of 10m
long and subjected to the loads shown in Fig.Q1(a). The box
cross section of this beam is shown in Fig.Q1(b).
Find the reactions at A and C shown in Fig.Q1(a)
Draw the shear force diagram and the bending moment
diagram for the beam showing all salient points
Calculate the maximum compressive stress and maximum
tensile stress in the beam and sketch the stress distribution
across the section
80kN.m
5m
15kN
B
Fig.Q1 (a)
110
60
5kN/m
5m
95
120
754
Fig.Q1(b) (Dimensions in mm)
C

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Step 1: Given data

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Step 2: Reactions at A and C

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Step 3: Shear force diagram

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Step 4: Bending moment diagram

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Step 5: Maximum compressive and tensile stress

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