1500 A 3600 B + M 1800 С 2400

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Two high-strength steel rods of different diameters are attached to A and C and support a mass M
at B, as shown in the figure. The ultimate strength, i.e., the stress at which fracture occurs, of the
two rods is 800 MPa, and the factor of safety of the design needs to be 2.5. Rod AB has a cross
sectional area of 150 mm² and rod BC has a cross sectional area of 300 mm². What is the maximum
mass M that can be supported?
1500
A
3600
B
M
1800
Figure 3.1. Hanging mass.
C
2400
Transcribed Image Text:Two high-strength steel rods of different diameters are attached to A and C and support a mass M at B, as shown in the figure. The ultimate strength, i.e., the stress at which fracture occurs, of the two rods is 800 MPa, and the factor of safety of the design needs to be 2.5. Rod AB has a cross sectional area of 150 mm² and rod BC has a cross sectional area of 300 mm². What is the maximum mass M that can be supported? 1500 A 3600 B M 1800 Figure 3.1. Hanging mass. C 2400
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first let's find out which force F_AB and F_BC is greater.

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