A person who weighs 775 N supports himself on the ball of one foot. The normal force N = 775 N pushes up on the ball of the foot on one side of the ankle joint, while the Achilles tendon pulls up on the foot on the other side of the joint. The center of gravity of the person is located right above the tibia. What is the tension in the Achilles tendon? If the force acting is upward, enter a positive value and if the force acting is downward, enter a negative value.

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A person who weighs 775 N supports himself on the ball of one foot. The normal force N = 775 N pushes up on the ball of the foot on one side of the ankle joint, while the Achilles tendon pulls up on the foot on the other side of the joint. The center of gravity of the person is located right above the tibia.

What is the tension in the Achilles tendon? If the force acting is upward, enter a positive value and if the force acting is downward, enter a negative value.

 

 
A person who weighs 775 N supports himself on the ball of one foot. The normal force N = 775 N pushes up on the ball of the foot on
one side of the ankle joint, while the Achilles tendon pulls up on the foot on the other side of the joint. The center of gravity of the
person is located right above the tibia.
What is the tension in the Achilles tendon? If the force acting is upward, enter a positive value and if the force acting is downward,
enter a negative value.
Gastrocnemius-
soleus muscles
Tibia
FAchilles
FTibia
Achilles tendon-
Calcaneus
(heel bone)
-12.8 cm
4.60 cm
Transcribed Image Text:A person who weighs 775 N supports himself on the ball of one foot. The normal force N = 775 N pushes up on the ball of the foot on one side of the ankle joint, while the Achilles tendon pulls up on the foot on the other side of the joint. The center of gravity of the person is located right above the tibia. What is the tension in the Achilles tendon? If the force acting is upward, enter a positive value and if the force acting is downward, enter a negative value. Gastrocnemius- soleus muscles Tibia FAchilles FTibia Achilles tendon- Calcaneus (heel bone) -12.8 cm 4.60 cm
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