Question: The leg bone (femur) breaks under a compressive force of about 5 104 N for a human and 10 104 N for a

The leg bone (femur) breaks under a compressive force of about 5 × 104 N for a human and 10 × 104 N for a horse. The human femur has a compressive strength of 1.6 × 108 Pa, while the horse femur has a compressive strength of 1.4 × 108 Pa. What is the effective cross-sectional area of the femur in a human and in a horse? (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.)

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