Calculate the magnitude of the resultant joint force at L5/S1 joint for the stoop lift. The worker has a height of 1.8 meters and a mass of 84 kg. The box has a mass of 30 kg. - Assume that the back extensor muscles have a line of action parallel to and 5 cm posterior (on the back side) to the trunk. - Assume the hands are at the center of the box. - Use the following masses and COM locations to calculate the moment at the L5/S1 joint - Note: the body masses and COM positions for the parts of the body are not in kg or cm. They are % of the whole body mass/% away from L5/ S1 joint. You need to convert these percentages to kg and cm. - Only consider the FBD and forces for one arm. Assume each arm holds 15kg of the box weight
Calculate the magnitude of the resultant joint force at L5/S1 joint for the stoop lift. The worker has a height of 1.8 meters and a mass of 84 kg. The box has a mass of 30 kg. - Assume that the back extensor muscles have a line of action parallel to and 5 cm posterior (on the back side) to the trunk. - Assume the hands are at the center of the box. - Use the following masses and COM locations to calculate the moment at the L5/S1 joint - Note: the body masses and COM positions for the parts of the body are not in kg or cm. They are % of the whole body mass/% away from L5/ S1 joint. You need to convert these percentages to kg and cm. - Only consider the FBD and forces for one arm. Assume each arm holds 15kg of the box weight
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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