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College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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
Transcribed Image Text:Required information
The leg bone (femur) breaks under a compressive force of about
5.70 × 104 N for a human and 10.4 × 104 N for a horse. The human
femur has a compressive strength of 160 MPa, whereas the horse
femur has a compressive strength of 140 MPa.
What is the effective cross-sectional area of the femur in a horse? (Note: Since the
center of the femur contains bone marrow, which has essentially no compressive
strength, the effective cross-sectional area is about 80% of the total cross-sectional
area.)
cm²
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