Two muscles in the back of the leg pull upward on the Achilles tendon, as shown in the figure below. (These muscles are called the medial and lateral heads of the gastrocnemius muscle.) F2 = 150 N F1 = 150 N Find the magnitude (in N) and direction (in degrees counterclockwise from the dotted line) of the total force on the Achilles tendon. a) magnitude N b) direction ° counterclockwise from the dotted line c) What type of movement could be caused by this force?This force can raise the heel of the foot.This force can twist the ankle to the left or right.This force can lower the heel of the foot.This force can turn the foot to the left or right. The image illustrates the anatomy of the lower leg, focusing on the muscles and tendons involved in calf movement. It provides a detailed view of the forces applied by the muscles on the Achilles tendon.### Description:- **Muscle Groups:** - **Lateral Gastrocnemius**: Located on the outer side of the calf. - **Medial Gastrocnemius**: Located on the inner side of the calf.- **Tendon:** - **Achilles’ Tendon**: Connects the calf muscles to the heel bone.### Forces and Angles:- The forces exerted by the muscles are represented by vectors: - \( \vec{F}_1 \) and \( \vec{F}_2 \) both equal 150 N.- Each of these forces is applied at an angle of 26° relative to the vertical axis.This detailed depiction aids in understanding the biomechanics of the lower leg, specifically how the gastrocnemius muscles work with the Achilles tendon to facilitate movement.

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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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Two muscles in the back of the leg pull upward on the Achilles tendon, as shown in the figure below. (These muscles are called the medial and lateral heads of the gastrocnemius muscle.) F₂ = 150 N F₁ = 150 N

Find the magnitude (in N) and direction (in degrees counterclockwise from the dotted line) of the total force on the Achilles tendon.

a) magnitude N

b) direction ° counterclockwise from the dotted line

c) What type of movement could be caused by this force?

This force can raise the heel of the foot.

This force can twist the ankle to the left or right.

This force can lower the heel of the foot.

This force can turn the foot to the left or right.

The image illustrates the anatomy of the lower leg, focusing on the muscles and tendons involved in calf movement. It provides a detailed view of the forces applied by the muscles on the Achilles tendon.

### Description:

- **Muscle Groups:**
- **Lateral Gastrocnemius**: Located on the outer side of the calf.
- **Medial Gastrocnemius**: Located on the inner side of the calf.

- **Tendon:**
- **Achilles’ Tendon**: Connects the calf muscles to the heel bone.

### Forces and Angles:

- The forces exerted by the muscles are represented by vectors:
- \( \vec{F}_1 \) and \( \vec{F}_2 \) both equal 150 N.
- Each of these forces is applied at an angle of 26° relative to the vertical axis.

This detailed depiction aids in understanding the biomechanics of the lower leg, specifically how the gastrocnemius muscles work with the Achilles tendon to facilitate movement.

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