3. The arm shown in the figure 5. supports a 4kg sphere. The mass of the hand and forearm together is 3kg and its weight acts at a point 15 cm from the elbow. Determine the force exerted by the biceps muscle. Tricepa Biceps Radi scal Ulne 15 cm 30cm Figure 5

3. The arm shown in the figure 5. supports a 4kg sphere. The mass of the hand and forearm together is 3kg and its weight acts at a point 15 cm from the elbow. Determine the force exerted by the biceps muscle. Tricepa Biceps Radi scal Ulne 15 cm 30cm Figure 5

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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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

3. The arm shown in the figure 5. supports a 4kg sphere. The mass of the hand and forearm
together is 3kg and its weight acts at a point 15 cm from the elbow. Determine the force
exerted by the biceps muscle.
Triceps
Biceps
Radius
scal
Ulna
15 cm
38cm
Figure 5

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