In the figure below, the biceps muscle exerts a force supporting a perpendicular forearm and a book. Suppose we replace the book with an elastic exercise rope that obeys Hooke's Law. Assume its force constant k = 433 N/m. Triceps muscle Biceps V muscle PHYSICS m, = 4.3 kg CG m. = 2.2 kg W. CG 4.0cm Wa 16 cm 38 cm (a) How much is the rope stretched (past equilibrium) to provide the same force w, as before the book was replaced? Assume the rope is held in the hand at the same location as the book. (Enter your answer in cm.) cm (b) What force (in N) is on the biceps muscle if the exercise rope is pulled straight up so that the forearm makes an angle of 24° with the horizontal? Assume the biceps muscle is still perpendicular to the forearm. (Assume the same stretch in the rope as part (a). Enter the magnitude.)

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
icon
Related questions
Question
In the figure below, the biceps muscle exerts
force supporting a perpendicular forearm and a book, Suppose we replace the book with an elastic exercise rope that obeys Hooke's Law.
Assume its force constantk = 433 N/m.
Triceps
muscle
Biceps
V muscle
PHYSICS
m, = 4.3 kg
CG
m, = 2.2 kg
CG
Wa
38 cm
(a) How much is the rope stretched (past equilibrium) to provide the same force w as before the book was replaced? Assume the rope is held in the hand at the same location as the
book. (Enter your answer in cm.)
cm
(b) What force (in N) is on the biceps muscle If the exercise rope is pulled straight up so that the forearm makes an angle of 24° with the horizontal? Assume the biceps muscle is still
perpendicular to the forearm. (Assume the same stretch in the rope as part (a). Enter the magnitude.)
Transcribed Image Text:In the figure below, the biceps muscle exerts force supporting a perpendicular forearm and a book, Suppose we replace the book with an elastic exercise rope that obeys Hooke's Law. Assume its force constantk = 433 N/m. Triceps muscle Biceps V muscle PHYSICS m, = 4.3 kg CG m, = 2.2 kg CG Wa 38 cm (a) How much is the rope stretched (past equilibrium) to provide the same force w as before the book was replaced? Assume the rope is held in the hand at the same location as the book. (Enter your answer in cm.) cm (b) What force (in N) is on the biceps muscle If the exercise rope is pulled straight up so that the forearm makes an angle of 24° with the horizontal? Assume the biceps muscle is still perpendicular to the forearm. (Assume the same stretch in the rope as part (a). Enter the magnitude.)
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 1 images

Blurred answer
Similar questions
Recommended textbooks for you
College Physics
College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
University Physics (14th Edition)
University Physics (14th Edition)
Physics
ISBN:
9780133969290
Author:
Hugh D. Young, Roger A. Freedman
Publisher:
PEARSON
Introduction To Quantum Mechanics
Introduction To Quantum Mechanics
Physics
ISBN:
9781107189638
Author:
Griffiths, David J., Schroeter, Darrell F.
Publisher:
Cambridge University Press
Physics for Scientists and Engineers
Physics for Scientists and Engineers
Physics
ISBN:
9781337553278
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:
9780321820464
Author:
Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:
Addison-Wesley
College Physics: A Strategic Approach (4th Editio…
College Physics: A Strategic Approach (4th Editio…
Physics
ISBN:
9780134609034
Author:
Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:
PEARSON