A two-tier system to repair bridges is supported by two steel cables for each platform. All the support cables have a diameter of 0.7 in. Lengths of the cables are la = 90 in. and lp = 195 in. Assume the applied loads are at the midpoint of each platform. 140 in.

A two-tier system to repair bridges is supported by two steel cables for each platform. All the support cables have a diameter of 0.7 in. Lengths of the cables are la = 90 in. and lp = 195 in. Assume the applied loads are at the midpoint of each platform. 140 in.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Laws of Equilibrium

A body is said to be in equilibrium if the system of forces acting on the body tends to keep the body at rest, in other words, there is no translation motion or net torque on the body. Under such conditions, the equilibrium conditions are to be applied to analyze the condition. The branch of mechanics that deals with this condition is known as 'statics'. Under equilibrium, there are no net forces on the body.

Question

A two-tier system to repair bridges is supported by two steel cables for each platform. All the support cables
have a diameter of 0.7 in. Lengths of the cables are la = 90 in. and lp = 195 in. Assume the applied loads
are at the midpoint of each platform.
140 ia.
250 lb
190 in.
400 Ib
Determine how much each cable stretches at points A-D.
(Express your answers using three decimal places.)
Point A:
in.
Point B:
in.
Point C:
in.
Point D:
in.

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