A skeletal diagram of the lower leg is shown in the lower figure. Here it can be noted that this portion of the leg is lifted by the quadriceps muscle attached to the hip at A and to the patella bone at B. This bone slides freely over cartilage at the knee joint. The quadriceps is further extended and attached to the tibia at C. Using the mechanical system shown in the upper figure to model the lower leg, determine the tension in the quadriceps at C and the magnitude of the resultant force at the femur (pin), D, in order to hold the lower leg in the position shown. The lower leg has a mass of 3.2 kg and a mass center at G1; the foot has a mass of 1.6 kg and a mass center at G2.
A skeletal diagram of the lower leg is shown in the lower figure. Here it can be noted that this portion of the leg is lifted by the quadriceps muscle attached to the hip at A and to the patella bone at B. This bone slides freely over cartilage at the knee joint. The quadriceps is further extended and attached to the tibia at C. Using the mechanical system shown in the upper figure to model the lower leg, determine the tension in the quadriceps at C and the magnitude of the resultant force at the femur (pin), D, in order to hold the lower leg in the position shown. The lower leg has a mass of 3.2 kg and a mass center at G1; the foot has a mass of 1.6 kg and a mass center at G2.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
![Problem 11.
A skeletal diagram of the lower leg is shown in the
lower figure. Here it can be noted that this portion of the leg
is lifted by the quadriceps muscle attached to the hip at A
and to the patella bone at B. This bone slides freely over
cartilage at the knee joint. The quadriceps is further
extended and attached to the tibia at C. Using the
mechanical system shown in the upper figure to model the
lower leg, determine the tension in the quadriceps at C and
the magnitude of the resultant force at the femur (pin), D,
in order to hold the lower leg in the position shown. The
lower leg has a mass of 3.2 kg and a mass center at G1; the
foot has a mass of 1.6 kg and a mass center at G2.
75 mm
25 mm
В
350 mm
300 mm
А
756
В.
D, = 840.20 N
ANS:
B,](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9b53527c-112c-4304-98bc-1507f0e39b5d%2Fd2aab183-d648-42e9-a9e1-644f83e0e34b%2Fvwayibc_processed.png&w=3840&q=75)
Transcribed Image Text:Problem 11.
A skeletal diagram of the lower leg is shown in the
lower figure. Here it can be noted that this portion of the leg
is lifted by the quadriceps muscle attached to the hip at A
and to the patella bone at B. This bone slides freely over
cartilage at the knee joint. The quadriceps is further
extended and attached to the tibia at C. Using the
mechanical system shown in the upper figure to model the
lower leg, determine the tension in the quadriceps at C and
the magnitude of the resultant force at the femur (pin), D,
in order to hold the lower leg in the position shown. The
lower leg has a mass of 3.2 kg and a mass center at G1; the
foot has a mass of 1.6 kg and a mass center at G2.
75 mm
25 mm
В
350 mm
300 mm
А
756
В.
D, = 840.20 N
ANS:
B,
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