D P y 2 m 55 5 m 5 m 5 m 3 m Crane boom
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
100%
A crane boom of mass 450 kg with its center
of mass at C is stabilized by two cables AQ and BQ
(Ae = 304 mm2 for each cable) as shown in the figure.
A load P 5 20 kN is supported at point D. The crane
boom lies in the y-z plane.
(a) Find the tension forces in each cable: TAQ and TBQ
(kN). Neglect the mass of the cables, but include
the mass of the boom in addition to load P.
(b) Find the average stress (σ) in each cable.
![D
P
y
2 m
55
5 m
5 m
5 m
3 m
Crane boom](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F78fde527-6dc6-412d-bb18-a635b14a205b%2F731ea94d-118f-4e15-a635-07d68dc2efed%2Fgh4ghv_processed.png&w=3840&q=75)
Transcribed Image Text:D
P
y
2 m
55
5 m
5 m
5 m
3 m
Crane boom
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