Determine (a) the magnitude of the counterweight W for which the maximum absolute value of the bending moment in the beam is as small as possible, (b) the corresponding maximum normal stress due to bending. (Hint: Draw the bending-moment diagram and equate the absolute values of the largest and negative bending moments obtained.)

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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(a) W =
(b) 6 max
A
7 kN
KN
D
MPa
W
E
1m-1m 1m1m
7 kN
B
0000
I
W310 x 23.8
Determine (a) the magnitude of the counterweight W for
which the maximum absolute value of the bending moment
in the beam is as small as possible, (b) the corresponding
maximum normal stress due to bending. (Hint: Draw the
bending-moment diagram and equate the absolute values
of the largest and negative bending moments obtained.)
Transcribed Image Text:(a) W = (b) 6 max A 7 kN KN D MPa W E 1m-1m 1m1m 7 kN B 0000 I W310 x 23.8 Determine (a) the magnitude of the counterweight W for which the maximum absolute value of the bending moment in the beam is as small as possible, (b) the corresponding maximum normal stress due to bending. (Hint: Draw the bending-moment diagram and equate the absolute values of the largest and negative bending moments obtained.)
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