QI Figure Q1 shows a composite rod ABC attached in between two rigid walls. Part AB is a solid rod made from Aluminium (E = 70 GPa), while part BC is a hollow cylindrical rod made from steel (E = 200 GPa). The diameter of part AB and the internal and external diameters of part BC are as shown in figure. A 40 kN force is applied at B in the direction as shown. If the compound rod is unstressed before the application of load, determine the reaction at A and C. (а) (b) determine the horizontal displacement of point B. 40 40 A B wall 40 kN wal Ø11.5 Ø15 07.5 All lengths are in mm.

QI Figure Q1 shows a composite rod ABC attached in between two rigid walls. Part AB is a solid rod made from Aluminium (E = 70 GPa), while part BC is a hollow cylindrical rod made from steel (E = 200 GPa). The diameter of part AB and the internal and external diameters of part BC are as shown in figure. A 40 kN force is applied at B in the direction as shown. If the compound rod is unstressed before the application of load, determine the reaction at A and C. (а) (b) determine the horizontal displacement of point B. 40 40 A B wall 40 kN wal Ø11.5 Ø15 07.5 All lengths are in mm.

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter6: Introduction To Mechanical Properties

Section: Chapter Questions

Problem 6.3P: Compare the engineering and true secant elastic moduli for the natural rubber in Example Problem 6.2...

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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

Q1
Figure Q1 shows a composite rod ABC attached in between two rigid walls. Part AB is a solid rod made
from Aluminium (E = 70 GPa), while part BC is a hollow cylindrical rod made from steel (E = 200 GPa).
The diameter of part AB and the internal and external diameters of part BC are as shown in figure. A 40
kN force is applied at B in the direction as shown. If the compound rod is unstressed before the
application of load,
determine the reaction at A and C.
(a)
(b)
determine the horizontal displacement of point B.
40
40
A
B
wall
wll
40 kN
Ø11.5
Ø15
07.5
All lengths are in mm.

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