A gradually applied load W= 5000 N is suspended by ropes as shown in figures (a) and (b). In both cases, the ropes have cross-sectional area of 800 mm² and the value of E is 980 N/mm². In figure (a), the rope ABC is continuous and Wis suspended from a small frictionless pulley. In figure (b), AB and CB are separate ropes joined to a block from which W is suspended in such a way that both ropes stretch by the same amount. Find, for both (a) and (b), the stresses in the ropes and find the downward movement of pulley and the block due to the gradual application of the load. 4.56 m A W = 5000 N (a) B 1.52 m 4.56 m A B C B W = 5000 N (b) 1.52 m

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A gradually applied load W= 5000 N is suspended by ropes as shown in figures (a) and
(b). In both cases, the ropes have cross-sectional area of 800 mm² and the value of E is
980 N/mm². In figure (a), the rope ABC is continuous and Wis suspended from a small
frictionless pulley. In figure (b), AB and CB are separate ropes joined to a block from
which W is suspended in such a way that both ropes stretch by the same amount. Find,
for both (a) and (b), the stresses in the ropes and find the downward movement of pulley
and the block due to the gradual application of the load.
4.56 m
A
W = 5000 N
(a)
B
1.52 m
4.56 m
A
B
C
B
W = 5000 N
(b)
1.52 m
Transcribed Image Text:A gradually applied load W= 5000 N is suspended by ropes as shown in figures (a) and (b). In both cases, the ropes have cross-sectional area of 800 mm² and the value of E is 980 N/mm². In figure (a), the rope ABC is continuous and Wis suspended from a small frictionless pulley. In figure (b), AB and CB are separate ropes joined to a block from which W is suspended in such a way that both ropes stretch by the same amount. Find, for both (a) and (b), the stresses in the ropes and find the downward movement of pulley and the block due to the gradual application of the load. 4.56 m A W = 5000 N (a) B 1.52 m 4.56 m A B C B W = 5000 N (b) 1.52 m
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