A rectangular sign over a store has a weight of 140 lb, with the center of gravity in the center of the rectangle. The support against the wall at point C may be treated as a ball-and-socket joint. At corner D support is provided in the y-direction only. Calculate the tensions T1 and T2 in the supporting wires, the total force supported at C, and the lateral force R supported at D. The force R is positive if it points in the +y-direction, and negative if it points in the -y-direction. ' 4.5' T 7.5' 7.5' C3.0' オー TOYS 3.0' 12.0'
A rectangular sign over a store has a weight of 140 lb, with the center of gravity in the center of the rectangle. The support against the wall at point C may be treated as a ball-and-socket joint. At corner D support is provided in the y-direction only. Calculate the tensions T1 and T2 in the supporting wires, the total force supported at C, and the lateral force R supported at D. The force R is positive if it points in the +y-direction, and negative if it points in the -y-direction. ' 4.5' T 7.5' 7.5' C3.0' オー TOYS 3.0' 12.0'
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A rectangular sign over a store has a weight of 140 lb, with the center of gravity in the center of the rectangle. The support against the wall at point C may be treated as a ball-and-socket joint. At corner D support is provided in the y-direction only. Calculate the tensions T1 and T2 in the supporting wires, the total force supported at C, and the lateral force R supported at D. The force R is positive if it points in the +y-direction, and negative if it points in the -y-direction.
Transcribed Image Text:A rectangular sign over a store has a weight of 140 lb, with the center of gravity in the center of the rectangle. The support against the
wall at point C may be treated as a ball-and-socket joint. At corner D support is provided in the y-direction only. Calculate the tensions
T, and T2 in the supporting wires, the total force supported at C, and the lateral force R supported at D. The force R is positive if it
points in the +y-direction, and negative if it points in the -y-direction.
4.5'
4.5'
B
T
7.5'
7.5'
C3.0'
TOYS
3.0'
12.0'
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