Jane carries a heavy object in two different body positions. If the weight of the object (Fp) is 250N, and the weight of her upper body (Fw) is 500N. In scenario A, she has an upright posture. Moment arm Lw = 2 cm, Lp = 40 cm. In scenario B, she leans forward. Moment arm Lw = 35 cm, Lp = 45 cm. Calculate the total torque generated by Fw and Fp about the lumbosacral joint in these two scenarios
Jane carries a heavy object in two different body positions. If the weight of the object (Fp) is 250N, and the weight of her upper body (Fw) is 500N. In scenario A, she has an upright posture. Moment arm Lw = 2 cm, Lp = 40 cm. In scenario B, she leans forward. Moment arm Lw = 35 cm, Lp = 45 cm. Calculate the total torque generated by Fw and Fp about the lumbosacral joint in these two scenarios
Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter10: Rotation Of A Rigid Object About A Fixed Axis
Section: Chapter Questions
Problem 40AP
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Jane carries a heavy object in two different body positions. If the weight of the object (Fp) is 250N, and the weight of her upper body (Fw) is 500N. In scenario A, she has an upright posture. Moment arm Lw = 2 cm, Lp = 40 cm. In scenario B, she leans forward. Moment arm Lw = 35 cm, Lp = 45 cm. Calculate the total torque generated by Fw and Fp about the lumbosacral joint in these two scenarios
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