Physics, 02.07.2019 05:10 zaleemawhite
1) in which 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).
Answers: 1
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1) in which of the following cases is the torque about the shoulder due to the weight of the arm the...
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