Concept explainers
(a)
The force should exerted by the patellar tendon to hold the leg at an angle
(a)
Answer to Problem 47P
The required force is
Explanation of Solution
Mass of ankle is
Write the equation for rotational equilibrium at the moment of leg is holded by the patellar tendon.
Here, the force exerted by the patellar tendon is
Rewrite the above relation in terms of
Conclusion:
Substitute
Therefore, the required force is
(b)
The force should exerted by the patellar tendon to hold the leg at an angle
(b)
Answer to Problem 47P
The required force is
Explanation of Solution
Mass of ankle is
Write the equation for rotational equilibrium at the moment of leg is holded by the patellar tendon.
Here, the force exerted by the patellar tendon is
Rewrite the above relation in terms of
Conclusion:
Substitute
Therefore, the required force is
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Chapter 8 Solutions
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