Part C An old wooden telephone pole with a single cross member was blown off center during a recent storm To temporarily stabilize the telephone pole, a repair crew has attached a cable from the end of the cross member to an eye-ring stake anchored in the ground. (Eigure.3) If the origin O of a coordinate system is placed where the pole meets the ground, the point where the cross member is attached to the pole is A(-1.50, 2.00, 25.0) ft and the point where the cable is attached to the end of the cross member is (-1.50,-3.00, 28.0) ft. The cable's direction is (1.0011.00-1.00k) and it has a tension of 175 lb. What is M., the moment that tends to twist the telephone pole due to the tension in the cable applied at point B Express your answer numerically in pound-feet to three significant figures. View Available Hint(s) M₂- ΜΕ ΑΣΦ Ivec ? lb-ft
Part C An old wooden telephone pole with a single cross member was blown off center during a recent storm To temporarily stabilize the telephone pole, a repair crew has attached a cable from the end of the cross member to an eye-ring stake anchored in the ground. (Eigure.3) If the origin O of a coordinate system is placed where the pole meets the ground, the point where the cross member is attached to the pole is A(-1.50, 2.00, 25.0) ft and the point where the cable is attached to the end of the cross member is (-1.50,-3.00, 28.0) ft. The cable's direction is (1.0011.00-1.00k) and it has a tension of 175 lb. What is M., the moment that tends to twist the telephone pole due to the tension in the cable applied at point B Express your answer numerically in pound-feet to three significant figures. View Available Hint(s) M₂- ΜΕ ΑΣΦ Ivec ? lb-ft
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
Related questions
Question
Only part C needed
![Learning Goal:
To be able to calculate the moment of a torce about a
specified axis
When the moment of a force is computed about a point,
the moment and its axis are always perpendicular to the
plane that contains the force and the moment arm. In
some instances it is important to find the component of
This moment along a specified axis that passes through
the point.
In addition to scalar analysis, M., the magnitude of the
moment of a force about a specified axis, can be found
using the triple scalar product
th, the thi
Mau (rxF).
T₂
Fr
where u, is the unit vector that describes the direction of
the specified axis and r is the position vector to the point
where the force F is applied.
Figure
1 of 3
-
Part C
✔Correct
It is possible to solve this problem using either scalar analysis or the triple scalar product, and you can use
the other method to verify your answer. When the specified axis is the x, y, or 2 axis, the triple scalar
product is greatly simplified. The triple scalar product can be used to find the component of a moment of
force about any axis as long as the unit vector u along the specified axis is found.
Previous Answers
M₁-
An old wooden telephone pole with a single cross member was blown off center during a recent storm To temporarily
stabilize the telephone pole, a repair crew has attached a cable from the end of the cross member to an eye-ring
stake anchored in the ground. (Eigure 3) If the origin O of a coordinate system is placed where the pole meets the
ground, the point where the cross member is attached to the pole is A(-1.50, 2.00, 25.0) ft and the point where
the cable is attached to the end of the cross member is B(-1.50,-3.00, 28.0) ft. The cable's direction is
(1.00-1.00-1.00k) and it has a tension of 175 lb. What is M., the moment that tends to twist the telephone
pole due to the tension in the cable applied at point B?
Express your answer numerically in pound-feet to three significant figures.
▸ View Available Hint(s)
Submit
195] ΑΣΦ. 11 Ivec
Bevis
?
lb-ft](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff982a17f-534d-4728-975e-d0b1286c0e13%2F86b5b6f1-7740-4fa3-bd43-f3c1ff520d79%2Fddlcbip_processed.png&w=3840&q=75)
Transcribed Image Text:Learning Goal:
To be able to calculate the moment of a torce about a
specified axis
When the moment of a force is computed about a point,
the moment and its axis are always perpendicular to the
plane that contains the force and the moment arm. In
some instances it is important to find the component of
This moment along a specified axis that passes through
the point.
In addition to scalar analysis, M., the magnitude of the
moment of a force about a specified axis, can be found
using the triple scalar product
th, the thi
Mau (rxF).
T₂
Fr
where u, is the unit vector that describes the direction of
the specified axis and r is the position vector to the point
where the force F is applied.
Figure
1 of 3
-
Part C
✔Correct
It is possible to solve this problem using either scalar analysis or the triple scalar product, and you can use
the other method to verify your answer. When the specified axis is the x, y, or 2 axis, the triple scalar
product is greatly simplified. The triple scalar product can be used to find the component of a moment of
force about any axis as long as the unit vector u along the specified axis is found.
Previous Answers
M₁-
An old wooden telephone pole with a single cross member was blown off center during a recent storm To temporarily
stabilize the telephone pole, a repair crew has attached a cable from the end of the cross member to an eye-ring
stake anchored in the ground. (Eigure 3) If the origin O of a coordinate system is placed where the pole meets the
ground, the point where the cross member is attached to the pole is A(-1.50, 2.00, 25.0) ft and the point where
the cable is attached to the end of the cross member is B(-1.50,-3.00, 28.0) ft. The cable's direction is
(1.00-1.00-1.00k) and it has a tension of 175 lb. What is M., the moment that tends to twist the telephone
pole due to the tension in the cable applied at point B?
Express your answer numerically in pound-feet to three significant figures.
▸ View Available Hint(s)
Submit
195] ΑΣΦ. 11 Ivec
Bevis
?
lb-ft
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Please see the values of Coordinates A, B clearly these are not the same as you mentioned in solution
![Learning Goal:
To be able to calculate the moment of a torce about a
specified axis
When the moment of a force is computed about a point,
the moment and its axis are always perpendicular to the
plane that contains the force and the moment arm. In
some instances it is important to find the component of
This moment along a specified axis that passes through
the point.
In addition to scalar analysis, M., the magnitude of the
moment of a force about a specified axis, can be found
using the triple scalar product
th, the thi
Mau (rxF).
T₂
Fr
where u, is the unit vector that describes the direction of
the specified axis and r is the position vector to the point
where the force F is applied.
Figure
1 of 3
-
Part C
✔Correct
It is possible to solve this problem using either scalar analysis or the triple scalar product, and you can use
the other method to verify your answer. When the specified axis is the x, y, or 2 axis, the triple scalar
product is greatly simplified. The triple scalar product can be used to find the component of a moment of
force about any axis as long as the unit vector u along the specified axis is found.
Previous Answers
M₁-
An old wooden telephone pole with a single cross member was blown off center during a recent storm To temporarily
stabilize the telephone pole, a repair crew has attached a cable from the end of the cross member to an eye-ring
stake anchored in the ground. (Eigure 3) If the origin O of a coordinate system is placed where the pole meets the
ground, the point where the cross member is attached to the pole is A(-1.50, 2.00, 25.0) ft and the point where
the cable is attached to the end of the cross member is B(-1.50,-3.00, 28.0) ft. The cable's direction is
(1.00-1.00-1.00k) and it has a tension of 175 lb. What is M., the moment that tends to twist the telephone
pole due to the tension in the cable applied at point B?
Express your answer numerically in pound-feet to three significant figures.
▸ View Available Hint(s)
Submit
195] ΑΣΦ. 11 Ivec
Bevis
?
lb-ft](https://content.bartleby.com/qna-images/question/6f3ccd92-bf4b-4e6a-98a1-29505cc2fb60/d7e83829-8db7-4180-9447-3beb4ef6c27b/aeh0shj_processed.png)
Transcribed Image Text:Learning Goal:
To be able to calculate the moment of a torce about a
specified axis
When the moment of a force is computed about a point,
the moment and its axis are always perpendicular to the
plane that contains the force and the moment arm. In
some instances it is important to find the component of
This moment along a specified axis that passes through
the point.
In addition to scalar analysis, M., the magnitude of the
moment of a force about a specified axis, can be found
using the triple scalar product
th, the thi
Mau (rxF).
T₂
Fr
where u, is the unit vector that describes the direction of
the specified axis and r is the position vector to the point
where the force F is applied.
Figure
1 of 3
-
Part C
✔Correct
It is possible to solve this problem using either scalar analysis or the triple scalar product, and you can use
the other method to verify your answer. When the specified axis is the x, y, or 2 axis, the triple scalar
product is greatly simplified. The triple scalar product can be used to find the component of a moment of
force about any axis as long as the unit vector u along the specified axis is found.
Previous Answers
M₁-
An old wooden telephone pole with a single cross member was blown off center during a recent storm To temporarily
stabilize the telephone pole, a repair crew has attached a cable from the end of the cross member to an eye-ring
stake anchored in the ground. (Eigure 3) If the origin O of a coordinate system is placed where the pole meets the
ground, the point where the cross member is attached to the pole is A(-1.50, 2.00, 25.0) ft and the point where
the cable is attached to the end of the cross member is B(-1.50,-3.00, 28.0) ft. The cable's direction is
(1.00-1.00-1.00k) and it has a tension of 175 lb. What is M., the moment that tends to twist the telephone
pole due to the tension in the cable applied at point B?
Express your answer numerically in pound-feet to three significant figures.
▸ View Available Hint(s)
Submit
195] ΑΣΦ. 11 Ivec
Bevis
?
lb-ft
Solution
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