Question

6. Considering the following object which is in static equilibrium. R2 A 2 m Fy1 = 500 Fy2 = 200N a. How long must R2 equal in order to keep the object in static equilibrium? (1) b. What is the resultant contact force (joint reaction force) at point A? (1) 7. Consider the following diagram of the tibia in which the patellar tendon is exerting a force of 3000 N at 17° above the longitudinal axis of the tibia. a. If the entire 3000 N force was used in calculating the movement produced about point A, what would be the length of the moment arm for that calculation? (1) b. If the 32 mm was used as the moment arm for calculating the moment produced about point A, what is the magnitude of the component of the patellar force that should be used in determining the torque produced by the patellar tendon? (1) 3000 N A 17° 32 mm

          6. Considering the following object which is in static equilibrium.

R2
A
2 m
Fy1 = 500
Fy2 = 200N

a. How long must R2 equal in order to keep the object in static equilibrium? (1)
b. What is the resultant contact force (joint reaction force) at point A? (1)

7. Consider the following diagram of the tibia in which the patellar tendon is exerting a force of 3000 N at 17° above the longitudinal axis of the tibia.

a. If the entire 3000 N force was used in calculating the movement produced about point A, what would be the length of the moment arm for that calculation? (1)
b. If the 32 mm was used as the moment arm for calculating the moment produced about point A, what is the magnitude of the component of the patellar force that should be used in determining the torque produced by the patellar tendon? (1)

3000 N
A
17°
32 mm

6. Considering the following object which is in static equilibrium.

R2
A
2 m
Fy1 = 500
Fy2 = 200N

a. How long must R2 equal in order to keep the object in static equilibrium? (1)
b. What is the resultant contact force (joint reaction force) at point A? (1)

7. Consider the following diagram of the tibia in which the patellar tendon is exerting a force of 3000 N at 17° above the longitudinal axis of the tibia.

a. If the entire 3000 N force was used in calculating the movement produced about point A, what would be the length of the moment arm for that calculation? (1)
b. If the 32 mm was used as the moment arm for calculating the moment produced about point A, what is the magnitude of the component of the patellar force that should be used in determining the torque produced by the patellar tendon? (1)

3000 N
A
17°
32 mm

Added by Anna J.

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