Q2. You are assessing the shoulder joint kinetics in order to design an artificial joint. Answer the questions (a)-(d). W₂ D W₁ Point coordinates (cm): A(10,5); B(10,2); C(6,0); D(12,-10) Bone mass (kg): 2 kg at C; 0.5 kg at D Magnitude of muscle force (N): F₁-7; Fc-15 (a) Compute the mass center utilizing the given bone mass and point coordinates Answer: (b) Compute the net force (resultant) (in vector format) combining muscle forces and weight. Use 9.81 m/s² for a gravitational acceleration. (c) What is the net moment with respect to the body center O? Answer: d) What is the net moment with respect to the shoulder joint B?

Elements Of Electromagnetics
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Q2. You are assessing the shoulder joint kinetics in order to design an artificial joint. Answer the
questions (a)-(d).
FA
W₂
D
B
A
Wc
Point coordinates (cm): A(10,5); B(10,2); C(6,0); D(12,-10)
Bone mass (kg): 2 kg at C; 0.5 kg at D
Magnitude of muscle force (N): FA-7; Fc=15
(a) Compute the mass center utilizing the given bone mass and point coordinates
Answer:
(b) Compute the net force (resultant) (in vector format) combining muscle forces and weight.
Use 9.81 m/s² for a gravitational acceleration.
(c) What is the net moment with respect to the body center O?
Answer:
(d) What is the net moment with respect to the shoulder joint B?
Transcribed Image Text:Q2. You are assessing the shoulder joint kinetics in order to design an artificial joint. Answer the questions (a)-(d). FA W₂ D B A Wc Point coordinates (cm): A(10,5); B(10,2); C(6,0); D(12,-10) Bone mass (kg): 2 kg at C; 0.5 kg at D Magnitude of muscle force (N): FA-7; Fc=15 (a) Compute the mass center utilizing the given bone mass and point coordinates Answer: (b) Compute the net force (resultant) (in vector format) combining muscle forces and weight. Use 9.81 m/s² for a gravitational acceleration. (c) What is the net moment with respect to the body center O? Answer: (d) What is the net moment with respect to the shoulder joint B?
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