q N/m 214
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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ENGINEERING MECHANICS
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![5 m
4 m
0.75 m
600
1200 kg
A
upman
9 N/m
-3.5 m-
Fig. P4.53
(0214
0.75 m
4-53 The supporting structure of the billboard is attached to the ground by a pin
at B, and its rear leg rests on the ground at A. Friction may be neglected. Point G
is the center of gravity of the billboard and structure, which together has a mass
of 14 N. To prevent tipping over in high winds, a 1200-kg mass is placed on the
structure near A, as shown. (a) Compute the magnitudes of the reactions at A and
B if the wind load on the billboard is q = 1200 N/m. (b) Find the smallest wind
load q that would cause the structure to tip over.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6faa00d2-6e1a-470b-9ec8-f4d8b013af26%2F03045498-9944-4b18-b449-5eab55eec6db%2Fu3ueew_processed.jpeg&w=3840&q=75)
Transcribed Image Text:5 m
4 m
0.75 m
600
1200 kg
A
upman
9 N/m
-3.5 m-
Fig. P4.53
(0214
0.75 m
4-53 The supporting structure of the billboard is attached to the ground by a pin
at B, and its rear leg rests on the ground at A. Friction may be neglected. Point G
is the center of gravity of the billboard and structure, which together has a mass
of 14 N. To prevent tipping over in high winds, a 1200-kg mass is placed on the
structure near A, as shown. (a) Compute the magnitudes of the reactions at A and
B if the wind load on the billboard is q = 1200 N/m. (b) Find the smallest wind
load q that would cause the structure to tip over.
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