A steel bar of length 0.65 m and diameter 2.2 cm is loaded as shown below with a force P = 120 kN. The bar is measured after applying the load and found to now be 65.08 cm long. P P Determine the stress in this bar under the applied loading. Report your answer in units of MPa with 2 decimal places of accuracy. Use 3 significant figures in your calculation of the area. σ 315.6 MPa Determine the strain in this bar under the applied loading. Report your answer with 6 decimal places of accuracy. E=0.001 If the allowable stress in the bar is 250 MPa, what is the factor of safety? report your answer with 2 decimal places of accuracy. FS=1.26 × Is this factor of safety good or bad? O Bad Good

Elements Of Electromagnetics
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ISBN:9780190698614
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Publisher:Sadiku, Matthew N. O.
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A steel bar of length 0.65 m and diameter 2.2 cm is loaded as shown below with a force P = 120 kN. The
bar is measured after applying the load and found to now be 65.08 cm long.
P
P
Determine the stress in this bar under the applied loading. Report your answer in units of MPa with 2
decimal places of accuracy. Use 3 significant figures in your calculation of the area.
σ 315.6 MPa
Determine the strain in this bar under the applied loading. Report your answer with 6 decimal places of
accuracy.
E=0.001
If the allowable stress in the bar is 250 MPa, what is the factor of safety? report your answer with 2
decimal places of accuracy.
FS=1.26
×
Is this factor of safety good or bad?
O
Bad
Good
Transcribed Image Text:A steel bar of length 0.65 m and diameter 2.2 cm is loaded as shown below with a force P = 120 kN. The bar is measured after applying the load and found to now be 65.08 cm long. P P Determine the stress in this bar under the applied loading. Report your answer in units of MPa with 2 decimal places of accuracy. Use 3 significant figures in your calculation of the area. σ 315.6 MPa Determine the strain in this bar under the applied loading. Report your answer with 6 decimal places of accuracy. E=0.001 If the allowable stress in the bar is 250 MPa, what is the factor of safety? report your answer with 2 decimal places of accuracy. FS=1.26 × Is this factor of safety good or bad? O Bad Good
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