Part
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Part 1,2,3,4

Transcribed Image Text:Part 2
Determine the moment M, produced by the loads about the y axis at the section containing A and B. Also determine the moment
Mz produced about the z axis at this section. Use the correct signs for moments.
My =
kip-in
M₂ = i
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Part 3
YA =
ZA =
i
Determine the coordinates (YA, ZA) of point A and the coordinates (Y,Z) of point B based on the coordinate system in Figure B.
YB =
ZB =
Part 4
i
ox,A =
i
i
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i
kip-in
in.
in.
in.
in.
Determine the bending stress at A. Use the sign convention for normal stresses.
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ksi
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Transcribed Image Text:The cantilever beam shown in Figure A is subjected to load magnitudes of P₂ = 3.3 kips and P, = 8.1 kips. The flanged cross section
shown in Figure B has dimensions of b, = 7.6 in., ty = 0.64 in., d = 10.0 in., and t = 0.30 in. Using L = 80 in., determine:
(a) the bending stress at point A.
(b) the bending stress at point B.
(c) the angle for the orientation of the neutral axis relative to the + z axis. Note that positive angles rotate clockwise from the + z
axis.
FIGURE A
Part 1
1₂ =
Iy=
i
L
For the cross-section, determine the area moment of inertia I, about the z axis, and the area moment of inertia I, about the y
axis.
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B
D
FIGURE B
in, 4
1w.
in.4
B
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