*3-20. The stress-strain diagram for a bone is shown and can be described by the equation € = 0.45 (106) o + 0.36 (10-¹2) o³, where o is in kPa. Determine the modulus of toughness and the amount of elongation of a 200-mm-long region just before it fractures if failure occurs at € = 0.12 mm/mm. AP

Structural Analysis
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Chapter2: Loads On Structures
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*3-20. The stress-strain diagram for a bone is shown and
can be described by the equation € = 0.45 (106) o +
0.36 (10-¹2) o³, where σ is in kPa. Determine the modulus
of toughness and the amount of elongation of a 200-mm-long
region just before it fractures if failure occurs at
€ = 0.12 mm/mm.
AP
€ = 0.45(106) +0.36(10-¹2)³
Prob. 3-20
€
P
Transcribed Image Text:*3-20. The stress-strain diagram for a bone is shown and can be described by the equation € = 0.45 (106) o + 0.36 (10-¹2) o³, where σ is in kPa. Determine the modulus of toughness and the amount of elongation of a 200-mm-long region just before it fractures if failure occurs at € = 0.12 mm/mm. AP € = 0.45(106) +0.36(10-¹2)³ Prob. 3-20 € P
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