Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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ENGINEERING MECHANICS (UPVOTE WILL BE GIVEN. PLEASE WRITE THE COMPLETE SOLUTIONS AND FBD LEGIBLY. NO LONG EXPLANATION NEEDED. ANSWER IN 2 DECIMAL PLACES. BOX THE FINAL ANSWER.)
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.
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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