COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 9, Problem 3QAP
To determine
If it is possible for a long cable hung vertically to break under its own weight.
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Students have asked these similar questions
What happens when the stress applied to the body is increased beyond the maximum value and is removed after some
time?
A The body will come back to its original position
B The body will oppose the stress
C) Nothing will happen to the body
D The body cannot return to its original position
2. The left support of the cable shown is located 10 m below the right support. The
lowest point on the cable is 13 m below the right support. If the maximum tension in
the cable resulting from a uniformly distributed load w along the horizontal is 400 kN,
determine:
a. The angle between the
cable and the horizontal at
the right support;
b. The magnitude of the
distributed load w
13 m
c. The length of the cable.
•100 m
2) A student’s head is bent over her physics book. The head weighs P = 24.6 N and is supported by the muscle force F→mF→m exerted by the neck extensor muscles and by the contact force F→cF→c exerted at the atlantooccipital joint. Given that the magnitude of F→mF→m is 60.0 N and is directed 35.0° below the horizontal.
a.) Find the magnitude of the contact force F→cF→c .
b.)Find the direction of the contact force Fc−→Fc→ . If the direction is below the horizontal, enter a negative value.
Chapter 9 Solutions
COLLEGE PHYSICS
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