Q3: A steel rod is rigidly attached between an aluminum rod and a bronze rod as shown. Axial loads are applied at the positions indicated. Find the maximum value of P that will not exceed a stress in steel of 140 MPa, in aluminum of 90 MPa, or in bronze of 100 MPa. BRONZE A = 500 mm² 4P STEEL A = 400 mm² 2.5 m 2.0 m ALUMINUM A = 200 mm² P 1.5 m 2P

Q3: A steel rod is rigidly attached between an aluminum rod and a bronze rod as shown. Axial loads are applied at the positions indicated. Find the maximum value of P that will not exceed a stress in steel of 140 MPa, in aluminum of 90 MPa, or in bronze of 100 MPa. BRONZE A = 500 mm² 4P STEEL A = 400 mm² 2.5 m 2.0 m ALUMINUM A = 200 mm² P 1.5 m 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

Chapter8: Applications Of Plane Stress (pressure Vessels, Beams, And Combined Loadings)

Section: Chapter Questions

Problem 8.3.10P: Solve the preceding problem if F =90 mm, F = 42 kN, and t = 40°MPa

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Combined Loading

Any functioning component, such as machine parts, structural members, pressure vessels, and so on, are all under the influence of more than one force. When anybody is under the influence of more than one force such as shear forces, bending moments, axial forces, torsion, and so on, then such body is said to be under combined loading. A very practical example of combined loading is the crankshaft of an internal combustion engine (IC engine). The crankshaft of the IC engine is under high rpm, which is caused due to the torsional forces. Due to the presence of piston, counterbalances, and internal imbalances, the crankshaft experiences lateral forces and due to the rise in temperature, the crankshaft undergoes thermal expansion, which pulls the crankshaft along the axial direction and lateral direction. The presence of unbalanced loads along the periphery of the crankshaft also induces a bending moment.

Question

Q3: A steel rod is rigidly attached between an aluminum rod and a bronze rod as shown. Axial
loads are applied at the positions indicated. Find the maximum value of P that will not exceed a
stress in steel of 140 MPa, in aluminum of 90 MPa, or in bronze of 100 MPa.
BRONZE
= 500 mm²
4P
STEEL
A = 400 mm²
2.5 m
2.0 m
ALUMINUM
A = 200 mm²
P
1.5 m
2
2P

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