SITUATION. The tower for a transmission line is modeled by the truss shown. The crossed members in the center section of the truss may be assumed to be capable of supporting tension only. Given: P=2.8kN 0=15⁰ a=3m b=3m c= 5m 5 panels@(a)m each F D E b G B Ө 0 P b b C Zoom image Compute the force induced in member DB. C P

SITUATION. The tower for a transmission line is modeled by the truss shown. The crossed members in the center section of the truss may be assumed to be capable of supporting tension only. Given: P=2.8kN 0=15⁰ a=3m b=3m c= 5m 5 panels@(a)m each F D E b G B Ө 0 P b b C Zoom image Compute the force induced in member DB. C P

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

System of Forces

A force is an external influence or agent that changes the state of a system. According to Newton's second law, the force applied to a body is proportional to the change in momentum of a body. Hence, whenever a force is applied to a body, its momentum changes. If the body is at rest, under the action of force, its state of rest changes to motion. In other words, the magnitude of the momentum of the body changes from zero to a measurable value. Similarly, if the body possesses some initial velocity, it has some associated momentum, the effect of force can cause the body to halt or come to rest, that is, the momentum reduces to zero.

Question

SITUATION. The tower for a transmission line is modeled by the truss shown. The crossed members in the center section of the
truss may be assumed to be capable of supporting tension only.
Given:
P=2.8kN
0=15⁰
a=3m b=3m c= 5m
5 panels@(a)m each
F
D
E
b
G
B
Ө
0
P
b
b
C
Zoom image
Compute the force induced in member DB.
C
P

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