3. A femur with a mass of 2.2 kg has forces applied at the knee and hip as shown FK = 645ĵN |FH| = 975 N. Assume the CoM lies at the midpoint of the femur's length. Component method 52 cm 9 cm COM a) Find the resultant force acting on the femur b) Find the moment about the knee due to Fí W Fk FH 70°

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please help with a and b using componment method 

3. A femur with a mass of 2.2 kg has forces applied at the knee and hip as shown
FK = 645ĵN |FH| = 975 N. Assume the CoM lies at the midpoint of the femur's length.
Component method
52 cm
9 cm
COM
a) Find the resultant force acting on the femur
b) Find the moment about the knee due to F₁
W
Fk
FH
70°
Transcribed Image Text:3. A femur with a mass of 2.2 kg has forces applied at the knee and hip as shown FK = 645ĵN |FH| = 975 N. Assume the CoM lies at the midpoint of the femur's length. Component method 52 cm 9 cm COM a) Find the resultant force acting on the femur b) Find the moment about the knee due to F₁ W Fk FH 70°
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