Concept explainers
(a)
The average cross sectional area of the tibia.
(a)
Answer to Problem 18P
The average cross sectional area of the tibia is
Explanation of Solution
Write an expression for the average cross sectional area of the tibia.
Here,
Conclusion:
Substitute
Thus, the average cross sectional area of the tibia is
(b)
The compressive stress in the tibia.
(b)
Answer to Problem 18P
The compressive stress in the tibia is
Explanation of Solution
Write an expression for the compressive stress in the tibia.
Here,
Conclusion:
Substitute
Thus, the compressive stress in the tibia is
(c)
The change in length of the tibia due to the compressive forces.
(c)
Answer to Problem 18P
The change in length of the tibia due to the compressive forces is
Explanation of Solution
Write an expression for the change in length of the tibia due to the compressive forces.
Here,
Conclusion:
Substitute
Thus, the change in length of the tibia due to the compressive forces is
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