A person is doing exercise lifting a load in abduction with his arm (Figure 1.1). The weight of the total arm (W) is 4 kg and the CM is located at 20 cm (b) from the pivot. The load that the subject is carrying is 10 kg and is located at 45 cm (e). Consider the force applied by the muscle (Fm) is at 4 cm (a) from the shoulder, and the direction and magnitude of the reaction force (Fj) at the shoulder if the force act at 15 degrees (theta). How much is FJ? Choose the values closer to your results

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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B3
A person is doing exercise lifting a load in
abduction with his arm (Figure 1.1). The
weight of the total arm (W) is 4 kg and the CM
is located at 20 cm (b) from the pivot. The
load that the subject is carrying is 10 kg and
is located at 45 cm (e). Consider the force
applied by the muscle (Fm) is at 4 cm (a) from
the shoulder, and the direction and magnitude
of the reaction force (Fj) at the shoulder if the
force act at 15 degrees (theta). How much is
FJ? Choose the values closer to your results
FM
FMy
FM
A B
Fs
Wo
Figure 1.1
Transcribed Image Text:A person is doing exercise lifting a load in abduction with his arm (Figure 1.1). The weight of the total arm (W) is 4 kg and the CM is located at 20 cm (b) from the pivot. The load that the subject is carrying is 10 kg and is located at 45 cm (e). Consider the force applied by the muscle (Fm) is at 4 cm (a) from the shoulder, and the direction and magnitude of the reaction force (Fj) at the shoulder if the force act at 15 degrees (theta). How much is FJ? Choose the values closer to your results FM FMy FM A B Fs Wo Figure 1.1
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