Answered: determine a. the required maximum value…

Engineering

Civil Engineering

determine a. the required maximum value of Q. b. the deformation of rod AD. c. the deformation of rod CE.

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter3: Tension Members

Section: Chapter Questions

Problem 3.3.1P

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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

The beam shown below is suspended from two steel rods as shown and is initially horizontal. The midpoint B of the beam is deflected 15 mm downward by force Q. The steel used for the rods has properties E = 200 GPa and σ = 275 MPa, determine
a. the required maximum value of Q.
b. the deformation of rod AD.
c. the deformation of rod CE.

Areas:
E
AD = 400 mm2
CE = 500 mm?
5 m
2 m
A
в с
B
C
-2 m--2 m-|

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