The arm shown below supports 5.17The arm shown in Fig. 5-16 supports a 4.0-kg sphere. The mass of the hand and forearm together is 3.0 kgand its weight acts at a pnint 15 em from the elbow Determine the force exerted by the hicepsmuscle.Ans. 0.13 kNTricepsBicepsRadiusUlnac.g.c.g4.5 cm15 cm38 cmFig. 5-16

Answered: Image /qna-images/answer/3b6ab922-75fd-4a7b-9c79-b28f4c8a76de.jpg

5.17 The arm shown in Fig. 5-16 supports a 4.0-kg sphere. The mass of the hand and forearm together is 3.0 kg and its weight acts at a point 15 em from the elhow Determine the force exerted by the hiceps muscle. Ans. 0.13 kN Triceps Biceps Radius Ulna c.g. c.g. 4.5 cm - 15 cm 38 cm Fig. 5-16

5.17 The arm shown in Fig. 5-16 supports a 4.0-kg sphere. The mass of the hand and forearm together is 3.0 kg and its weight acts at a point 15 em from the elhow Determine the force exerted by the hiceps muscle. Ans. 0.13 kN Triceps Biceps Radius Ulna c.g. c.g. 4.5 cm - 15 cm 38 cm Fig. 5-16

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter7: Gravitation

Section: Chapter Questions

Problem 80A

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Concept explainers

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

Question

The arm shown below supports

5.17
The arm shown in Fig. 5-16 supports a 4.0-kg sphere. The mass of the hand and forearm together is 3.0 kg
and its weight acts at a pnint 15 em from the elbow Determine the force exerted by the hiceps
muscle.
Ans. 0.13 kN
Triceps
Biceps
Radius
Ulna
c.g.
c.g
4.5 cm
15 cm
38 cm
Fig. 5-16

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