Rigid beam AB rests on the two short posts shown in Fig. 4–7a. AC is made of steel and has a diameter of 20 mm, and BD is made of aluminum and has a diameter of 40 mm. Determine the displacement of point F on AB if a vertical load of 90 kN is applied over this point. Take Est E = 70 GPa. 200 GPa,

Rigid beam AB rests on the two short posts shown in Fig. 4–7a. AC is made of steel and has a diameter of 20 mm, and BD is made of aluminum and has a diameter of 40 mm. Determine the displacement of point F on AB if a vertical load of 90 kN is applied over this point. Take Est E = 70 GPa. 200 GPa,

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter10: Statically Indeterminate Beams

Section: Chapter Questions

Problem 10.4.39P: A beam supporting a uniform load of intensity q throughout its length rests on pistons at points A,...

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Concept explainers

Torsion

In mechanical engineering, torque, torsion, and twisting moment are three of the most important concepts which have different meanings. Torque is the consequence of a moment of a force that produces an angular acceleration in a body or induces rotational kinetic energy in a body. For instance, in an automobile, the power transmission shaft is a body that is always under rotation due to the external torque acting on it, this torque is created by the engine.

Question

Rigid beam AB rests on the two short posts shown in Fig. 4–7a. AC is made
of steel and has a diameter of 20 mm, and BD is made of aluminum and has
a diameter of 40 mm. Determine the displacement of point F on AB if a
vertical load of 90 kN is applied over this point. Take Est
E = 70 GPa.
200 GPa,

90 kN
200 mm
- 400 mm
A
B
F
300 mm
C
(a)

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