A circular steel rod has a diameter of 50 mm. It touches the unyielding supports at point A and B when T, : 80 °C. Find the applied force P to the collar at its midsection so that, when T, 30 °C, the reaction at B is zero. Use E st = 200 GPa and the coefficient of linear expansion of steel is at 12 x 10^-6 m/m C. |A В P. -0.5 m 0.5 m

A circular steel rod has a diameter of 50 mm. It touches the unyielding supports at point A and B when T, : 80 °C. Find the applied force P to the collar at its midsection so that, when T, 30 °C, the reaction at B is zero. Use E st = 200 GPa and the coefficient of linear expansion of steel is at 12 x 10^-6 m/m C. |A В P. -0.5 m 0.5 m

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Types of loading

In mechanical terminology, the term load indicates that external force/weight, either constant or variable, acts on a mechanical member/structure. The weight of an object of a specific material is also an external load, and the external force that works on a structure comes under the categories of loading. The external load generates its effects as stress and strain in the structure.

Question

Solve for the following:
Thermal deformation in steel, St (st) :
mm
Axial deformation of steel, &p :
(in terms of P
Applied force in the collar, P =
kN

A circular steel rod has a diameter of 50 mm. It touches the
unyielding supports at point A and B when T, = 80 °C. Find the
applied force P to the collar at its midsection so that, when T,
%3D
30 °C, the reaction at B is zero. Use E st = 200 GPa and the
coefficient of linear expansion of steel is at 12 x 10^-6 m/m C.
В
-0.5 m-
0.5 m

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