Principles of Physics: A Calculus-Based Text
5th Edition
ISBN: 9781133104261
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 10, Problem 35P
BIO The arm in Figure P10.35 weighs 41.5 N. The gravitational force on the arm acts through point A. Determine the magnitudes of the tension force
Figure P10.35
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The figure below shows a human arm that weighs 41.10 N. The arm is extended outward and is motionless. The gravitational force Fg on the arm acts at point A, a distance of 0.2900 m from the shoulder joint, which is represented by point O. The shoulder pushes down and to the right on the humerus bone of the arm with a force Fs at point O, at an angle ? as shown. The deltoid muscle pulls back on the arm toward the shoulder with a tension force Ft. This tension force acts at a point 0.08000 m to the right of point O, and it is directed up and to the left, at a 12.00° angle with respect to the horizontal.
An arm is extending horizontally to the right with a cutout that shows muscles in the upper arm. A horizontal dashed line extends along the bottom of the muscles and another along the top. Point O is labeled at the left end of the arm on the lower horizontal line. An unlabeled point lies 0.080 m horizontally to the right of point O. Point A lies 0.290 m horizontally to the right of point…
A uniform rod is set up so that it can rotate about an axis at perpendicular to one of its ends. The length and mass of the rod are 0.701 m and 1.29 kg , respectively. A force of constant magnitude ?F acts on the rod at the end opposite the rotation axis. The direction of the force is perpendicular to both the rod's length and the rotation axis.
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The figure below shows a human arm that weighs 39.0 N. The arm is extended outward and is motionless. The
gravitational force F on the arm acts at point A, a distance of 0.290 m from the shoulder joint, which is represented by
point O. The shoulder pushes down and to the right on the humerus bone of the arm with a force Fg at point O, at an angle
0 as shown. The deltoid muscle pulls back on the arm toward the shoulder with a tension force F. This tension force acts at
a point 0.080 m to the right of point O, and it is directed up and to the left, at a 12.0° angle with respect to the horizontal.
0.080 m
0.290 m
Find the magnitudes (in N) of the forces F, and F. (Enter your answers to the nearest whole number. Due to the nature of
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Ft
N
Chapter 10 Solutions
Principles of Physics: A Calculus-Based Text
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