Chapter 8 Assignment Saved Help Save & Exit Submit Check my work 18 Four masses are arranged as shown. They are connected by rigid, massless rods of lengths 0.730 m and 0.500 m. What torque must be applied to cause an angular acceleration of 0.750 rad/s- about the axis shown? 1.08 points A B Skipped A 4.00 kg B 3.00 kg C 5.00 kg D 2.00 kg ebook D C -0.500 m where L = 0.730. Hint N-m Print ReferencesChapter 8 Assignment @ Saved Help Save & Exit Submit Check my work 16 ! Required information Part 2 of 2 A person who weighs 723 N supports himself on the ball of one foot. The normal force /= 723 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 1.08 is located right above the tibia. points Skipped Gastrocnemius- soleus muscles Tibia F Achilles FTibia ebook Achilles tendon Hint Calcaneus AN (heel bone) Print 12.8 cm References 4.60 cm What is the magnitude of the downward force exerted on the ankle joint by the tibia? INChapter 8 Assignment i Saved Help Save & Exit Submit Check my work mode : This shows what is correct or incorrect for the work you have completed so far. It does not indicate completion. Return to question 15 Required information Part 1 of 2 A person who weighs 723 N supports himself on the ball of one foot. The normal force N= 723 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 1.08 is located right above the tibia. points Gastrocnemius- soleus muscles Tibia F Achilles F Tibia Achilles tendon Calcaneus AN (heel bone) 12.8 cm 4.60 cm 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. 2011.83 ON