Nwhich of the following cases is the torque about the shoulder due to the weight of the arm the greatest? case 1: a person holds her arm at an angle of 30o above the horizontal (hand is higher than shoulder). case 2: a person holds her amr straight out parallel to the ground. case 3: a person holds her arm at an angle of 30o below the horizontal (hand is lower than shoulder).
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Nwhich of the following cases is the torque about the shoulder due to the weight of the arm the grea...
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