no ai please. it will be wrong The figure shows an outstretched arm (0.61 m in length) that is parallel to the floor. The arm is pulling downward against the ringattached to the pulley system, in order to hold the 98-N weight stationary. To pull the arm downward, the latissimus dorsi muscleapplies the force in the figure, at a point that is 0.069 m from the shoulder joint and oriented at an angle of 29°. The arm has aweight of 43 N and a center of gravity (cg) that is located 0.28 m from the shoulder joint. Find the magnitude of M.0.61 m0.28 m0.069 mAxis athoulderjoint\29°MNumber i 1190.23UnitsNcg98 N

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Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section: Chapter Questions

Problem 82A

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The figure shows an outstretched arm (0.61 m in length) that is parallel to the floor. The arm is pulling downward against the ring attached to the pulley system, in order to hold the 98-N weight stationary. To pull the arm downward, the latissimus dorsi muscle applies the force in the figure, at a point that is 0.069 m from the shoulder joint and oriented at an angle of 29º. The arm has a weight of 43 N and a center of gravity (cg) that is located 0.28 m from the shoulder joint. Find the magnitude of M Axis at houlder joint 29° M 0.28 m 0.069 m 0.61 m 98 N
he figure shows an outstretched arm (0.61 m in length) that is parallel to the floor. The arm is pulling downward against the ring attached to the pulley system, in order to hold the 98-N weight stationary. To pull the arm downward, the latissimus dorsi muscle applies the force M in the figure, at a point that is 0.069 m from the shoulder joint and oriented at an angle of 29°. The arm has a weight of 42 N and a center of gravity (cg) that is located 0.28 m from the shoulder joint. Find the magnitude of force M. Axis at houlder joint 29° M 0.28 m 0.069 m 0.61 m cg 98 N
A 50 N hand and forearm are held at a 35° angle to the vertically oriented humerus. The CG of the forearm and hand is located at a distance of 12.5 cm from the joint center at the elbow, and the elbow flexor muscles attach at an average distance of 2.5 cm from the joint center. (Assume that the muscles attach at an angle of 35° to the forearm bones.) How much force must be exerted by the forearm flexors to maintain this position?
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