The way in which humans can bend and straighten their arms irrespective of the fact that "muscles can only pull and not push".

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Chapter 19, Problem 87TE

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The way in which humans can bend and straighten their arms irrespective of the fact that "muscles can only pull and not push".

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The force of the quadriceps (Fq) and force of the patellar tendon (Fp) is identical (i.e., 1000 N each). In the figure below angle in blue is Θ and the in green is half Θ (i.e., Θ/2). A) Calculate the patellar reaction force (i.e., R resultant vector is the sum of the horizontal component of the quadriceps and patellar tendon force) at the following joint angles: you need to provide a diagram showing the vector and its components for each part. a1) Θ = 160 degrees, a2) Θ = 90 degrees. NOTE: USE DO NOT USE LAW OF COSINES, NO COMPLICATED ALGEBRAIC EQUATIONS OR ANYTHING ELSE, ETC. Question A has 2 parts!

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The force of the quadriceps (Fq) and force of the patellar tendon (Fp) is identical (i.e., 1000 N each). In the figure below angle in blue is Θ and the in green is half Θ (i.e., Θ/2). A) Calculate the patellar reaction force (i.e., R resultant vector is the sum of the horizontal component of the quadriceps and patellar tendon force) at the following joint angles: you need to provide a diagram showing the vector and its components for each part. a1) Θ = 160 degrees, a2) Θ = 90 degrees. NOTE: USE ONLY TRIGNOMETRIC FUNCTIONS (SIN/TAN/COS, NO LAW OF COSINES, NO COMPLICATED ALGEBRAIC EQUATIONS OR ANYTHING ELSE, ETC. Question A has 2 parts!

Answer 2

Question

Chapter 19, Problem 87TE

To determine

To find:

The way in which humans can bend and straighten their arms irrespective of the fact that "muscles can only pull and not push".

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Answer 3

Question

Chapter 19, Problem 87TE

To determine

To find:

The way in which humans can bend and straighten their arms irrespective of the fact that "muscles can only pull and not push".

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Answer 4

Question

Chapter 19, Problem 87TE

To determine

To find:

The way in which humans can bend and straighten their arms irrespective of the fact that "muscles can only pull and not push".

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Answer 5

Chapter 19, Problem 87TE

To determine

To find:

The way in which humans can bend and straighten their arms irrespective of the fact that "muscles can only pull and not push".

Answer 6

Chapter 19, Problem 87TE

To determine

To find:

The way in which humans can bend and straighten their arms irrespective of the fact that "muscles can only pull and not push".

Answer 7

Chapter 19, Problem 87TE

To determine

To find:

The way in which humans can bend and straighten their arms irrespective of the fact that "muscles can only pull and not push".

Answer 8

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Answer 9

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Answer 11

Ch. 19 - What are the four main types of tissues in the...Ch. 19 - Multiple tissues combine to make an_____, a...Ch. 19 - What is an organ system?Ch. 19 - What is homeostasis?Ch. 19 - Prob. 5RCC Ch. 19 - Prob. 6RCC Ch. 19 - Which part of the brain is responsible for balance...Ch. 19 - Prob. 8RCC Ch. 19 - Describe the functions of each of the four lobes...Ch. 19 - Which structures make up the central nervous...

The way in which humans can bend and straighten their arms irrespective of the fact that "muscles can only pull and not push".

Solution Summary: The author explains how the bicep and triceps muscles of the arm help in bending and straightening their arms despite the fact that "muscles can only pull and not push".

Concept explainers

To find:

The way in which humans can bend and straighten their arms irrespective of the fact that "muscles can only pull and not push".

Want to see the full answer?

Chapter 19 Solutions

The way in which humans can bend and straighten their arms irrespective of the fact that "muscles can only pull and not push".

Solution Summary: The author explains how the bicep and triceps muscles of the arm help in bending and straightening their arms despite the fact that "muscles can only pull and not push".

Concept explainers

To find: The way in which humans can bend and straighten their arms irrespective of the fact that "muscles can only pull and not push".

Want to see the full answer?

Chapter 19 Solutions

To find:

The way in which humans can bend and straighten their arms irrespective of the fact that "muscles can only pull and not push".