Prob. 2.9-2. The prismatic bar in Fig. FEB-2 is subjected to
an axial compressive load P = 70 kips'lhe wuss-sectional -
area of the bar is 2.0 in. Determine the normal stress and
the shear stress on the n face and on the 3 face qf an element
oriented at a
SE110B Assignment 2
1. A bimetallic bar is made by bonding together two homogeneous rectangular bars,
each having a width b and length L. The moduli of elasticity of the bars are E1
and E 2 , respectively. An axial force P is applied to the
SE110B Assignment 3
1. For the thin-wall tubular section shown in the following figure: (a) Determine the
torsion constant J. (b) If T = 5 kN.M, find the shear stress.
2. For the thin-wall tubular section shown in the following figure, a =
273th + lww: 37%, Loo= 27%7m
EM Army (to hxuoqax (4:0 mQha)
2/ .1. Y to"? PM.
VLE Lab ? PUfH-FYWJV)
Coo Am Q-cmx(equCJ-7v\<w)
SA: 8M9 1' 860 : lmm.
5.677; Kto-8 P r (O
P= 279M414 324.4%! J J" J J \J L, T."
0 0.1 0.2 0.3
(a) Flat bars with holes
Fig. 2.60 Stress concentration factors for flat
bars under axial loadingr
Note that the average stress must be computed
across the narrowest section: am = P/td, where
SE110B Assignment 4
1. Determine the flexural stresses at points A and B in the cross section if the
bending moment at this section is M = 15 KN m. The dimensions of the cross
section are b f = 150 mm, t f = 50 mm, hw = 150 mm, and t w = 50