The compound bar containing steel, bronze, and aluminum segments carries the axial loads shown in the figure. The properties of the segments and the working stresses are listed in the table. Determine the maximum allowable value of P if the change in length of the entire bar is limited to 0.08 in. and the working stresses are not to be exceeded. KINDLY DRAW THE FBD A (in.?) E (psi) Ow (psi) (FREE BODY DIAGRAM), SHOW INTERNAL Steel 0.75 30 x 106 20000 FORCES PROPERLY Bronze 1.00 12 x 106 18 000 Aluminum 0.50 10 x 106 12 000 Steel Bronze Aluminum 2 ft 4 ft 3 ft 2P

The compound bar containing steel, bronze, and aluminum segments carries the axial loads shown in the figure. The properties of the segments and the working stresses are listed in the table. Determine the maximum allowable value of P if the change in length of the entire bar is limited to 0.08 in. and the working stresses are not to be exceeded. KINDLY DRAW THE FBD A (in.?) E (psi) Ow (psi) (FREE BODY DIAGRAM), SHOW INTERNAL Steel 0.75 30 x 106 20000 FORCES PROPERLY Bronze 1.00 12 x 106 18 000 Aluminum 0.50 10 x 106 12 000 Steel Bronze Aluminum 2 ft 4 ft 3 ft 2P

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter1: Tension, Compression, And Shear

Section: Chapter Questions

Problem 1.9.13P: A metal bar AB of a weight Ills suspended by a system of steel wires arranged as shown in the...

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Concept explainers

Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.

Question

The compound bar containing steel, bronze, and aluminum segments carries the axial loads
shown in the figure. The properties of the segments and the working stresses are listed in the
table. Determine the maximum allowable value of P if the change in length of the entire
bar is limited to 0.08 in. and the working stresses are not to be exceeded.
KINDLY DRAW THE FBD
A (in.?)
E (psi)
Ow (psi)
(FREE BODY DIAGRAM),
SHOW INTERNAL
Steel
0.75
30 x 106
20000
FORCES PROPERLY
Bronze
1.00
12 x 106
18 000
Aluminum
0.50
10 x 106
12 000
Bronze
Steel
Aluminum
4 ft
2 ft
3 ft
P
2P
3P
4P

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