Given: The beam is subjected to the loads shown below. Assume the reactions at
the supports A and B are vertical. The cross section area for the beam is 20 mm2
Find: Determine the average normal and shear stress on the cross section
through point D.
Examp

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Economics and
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Life-Long Learning
Professionalism
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The
University of
Western
Ontario
Department

Course review:
1. The meaning of each parameter in the formula of your Lecture Notes should be
fully understood
2. Sign convention must be followed
3. Understand and independently solve the assignment questions and examples in the
lecture notes
Chapter 1:

Chapter 13
Buckling of Columns
EULERs Buckling Formula (13.1-13.3)
Columns (Long and slender)
Pcr
L
Pcr is a function of the dimensions
of the column and E.
P is small, only axial deformation occurs
P is large enough, lateral deflection
will occur, this i

MME 2202a Mechanics of Materials
Prof. L.Y. Jiang
Office:
Rm 3076 SEB
E-mail: lyjiang@eng.uwo.ca
Prerequisites:
ES1022a/b/y, AM 1413 or
written permission from your Dean
Teaching Assistants:
Assignment marking:
Zhengrong Zhang, Email: zzhan294@uwo.ca (ass