Consider three cases. Case 1: A person holds her arm at an angle of 30°30° above the horizontal (hand is higher than shoulder). Case 2: A person holds her arm straight out parallel to the ground. Case 3: A person holds her arm at an angle of 30°30° below the horizontal (hand is lower than shoulder). In which of the cases is the torque about the shoulder due to the weight of the arm the greatest?
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Physics, 21.06.2019 23:30
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Consider three cases. Case 1: A person holds her arm at an angle of 30°30° above the horizontal (han...
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