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March 24, 2017

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The arm in the figure below weighs 44.5 N. The force of gravity acting on the arm acts through point A. Determine the magnitudes of the tension force t in the deltoid muscle and the force s of the shoulder on the humerus (upper-arm bone) to hold the arm in the position shown.

  • biological physics? - ,

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    We are unable to help, since we don't have the figure to determine where point A is or what position the arm is in.

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