Part A Assume that the proportions of a 69-kg person are the same as those in the table below. Calculate the mass of one leg of the person. TABLE 7-1 Center of Mass of Parts of Typical Human Body, given as % (full height and mass = 100 units) Distance of Hinge Points from Floor (%) 91.2% 81.2% 52.1% 28.5% 4.0% mleg 14 Hinge Points (•) (Joints) μÅ Base of skull on spine Shoulder joint Hip joint Knee joint Ankle joint elbow 62.2%*- wrist 46.2%- kg *For arm hanging vertically. Express your answer to two significant figures and include the appropriate units. www Center of Mass (x) (% Height Above Floor) ? Head Trunk and neck Upper arms 71.7% Lower arms 55.3% Hands 43.1% Upper legs (thighs) 42.5% Lower legs Feet 93.5% 71.1% 18.2% 1.8% Body CM = 58.0% Percent Mass 6.9% 46.1% 6.6% 4.2% 1.7% 21.5% 9.6% 3.4% 100.0%
Part A Assume that the proportions of a 69-kg person are the same as those in the table below. Calculate the mass of one leg of the person. TABLE 7-1 Center of Mass of Parts of Typical Human Body, given as % (full height and mass = 100 units) Distance of Hinge Points from Floor (%) 91.2% 81.2% 52.1% 28.5% 4.0% mleg 14 Hinge Points (•) (Joints) μÅ Base of skull on spine Shoulder joint Hip joint Knee joint Ankle joint elbow 62.2%*- wrist 46.2%- kg *For arm hanging vertically. Express your answer to two significant figures and include the appropriate units. www Center of Mass (x) (% Height Above Floor) ? Head Trunk and neck Upper arms 71.7% Lower arms 55.3% Hands 43.1% Upper legs (thighs) 42.5% Lower legs Feet 93.5% 71.1% 18.2% 1.8% Body CM = 58.0% Percent Mass 6.9% 46.1% 6.6% 4.2% 1.7% 21.5% 9.6% 3.4% 100.0%
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter12: Static Equilibrium And Elasticity
Section: Chapter Questions
Problem 39P: The forearm shown below is positioned at an angle with respect to the upper arm , and a 5.0- kg...
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