Concept explainers
The force required of the deltoid muscle, assuming the mass is 52 cm from the shoulder joint.
Answer to Problem 35P
Solution:
The force exerted by the deltoid muscle is
Explanation of Solution
Given:
Distance of mass from the shoulder,
Mass of the arm,
Mass held,
Formula used:
The algebraic sum of all the moments should be zero
Calculation:
Conclusion:
Thus, the force exerted by the deltoid muscle is
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