Learning Goal: To analyze the forces within space truss members and the reaction forces that act on space trusses. A space truss is a stable three-dimensional structure that consists of members joined at their ends. If the external loading is applied at the joints, and the joints are ball- and-socket connections, the members of a space truss may be treated as two-force members. A space truss is subjected to a load of F = {110i - 410k} lb (Figure 1) Three ball-and-socket joints at C, E, and G support the space truss. If F =110 lb, F = 410 lb in the negative z direction, and d = 9.00 ft, what is the magnitude of the force in member AC? Indicate a tensile force as a positive value and a compressive force as a negative value. Express your answer numerically to three significant figures in pounds. ▸ View Available Hint(s) FAC 110 lb Figure 1 of 2 Submit Previous Answers Part B Correct As shown, a space truss is the frame for a building's awning. (Figure 2) Three ball-and-socket joints at A, B, and E support the frame. If a force of F = {180i + 380j} N is applied at point D, what are the forces in each member? Indicate a tensile force as a positive value and a compressive force as a negative value. Express your answers numerically to three significant figures in newtons separated by commas. ▸ View Available Hint(s) ΜΕ ΑΣΦΑ vec ? FDA FDC, FDB, FCA, FCB, FCE = 240, 240,180,380, -315,480 B Submit Previous Answers × Incorrect; Try Again; 5 attempts remaining N
Learning Goal: To analyze the forces within space truss members and the reaction forces that act on space trusses. A space truss is a stable three-dimensional structure that consists of members joined at their ends. If the external loading is applied at the joints, and the joints are ball- and-socket connections, the members of a space truss may be treated as two-force members. A space truss is subjected to a load of F = {110i - 410k} lb (Figure 1) Three ball-and-socket joints at C, E, and G support the space truss. If F =110 lb, F = 410 lb in the negative z direction, and d = 9.00 ft, what is the magnitude of the force in member AC? Indicate a tensile force as a positive value and a compressive force as a negative value. Express your answer numerically to three significant figures in pounds. ▸ View Available Hint(s) FAC 110 lb Figure 1 of 2 Submit Previous Answers Part B Correct As shown, a space truss is the frame for a building's awning. (Figure 2) Three ball-and-socket joints at A, B, and E support the frame. If a force of F = {180i + 380j} N is applied at point D, what are the forces in each member? Indicate a tensile force as a positive value and a compressive force as a negative value. Express your answers numerically to three significant figures in newtons separated by commas. ▸ View Available Hint(s) ΜΕ ΑΣΦΑ vec ? FDA FDC, FDB, FCA, FCB, FCE = 240, 240,180,380, -315,480 B Submit Previous Answers × Incorrect; Try Again; 5 attempts remaining N
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
Help!!! Answer part B correctly
![Learning Goal:
To analyze the forces within space truss members and
the reaction forces that act on space trusses.
A space truss is a stable three-dimensional structure that
consists of members joined at their ends. If the external
loading is applied at the joints, and the joints are ball-
and-socket connections, the members of a space truss
may be treated as two-force members.
A space truss is subjected to a load of F = {110i - 410k} lb (Figure 1) Three ball-and-socket joints at C,
E, and G support the space truss. If F =110 lb, F = 410 lb in the negative z direction, and d = 9.00 ft,
what is the magnitude of the force in member AC? Indicate a tensile force as a positive value and a
compressive force as a negative value.
Express your answer numerically to three significant figures in pounds.
▸ View Available Hint(s)
FAC 110 lb
Figure
1 of 2
Submit
Previous Answers
Part B
Correct
As shown, a space truss is the frame for a building's awning. (Figure 2) Three ball-and-socket joints at A, B,
and E support the frame. If a force of F = {180i + 380j} N is applied at point D, what are the forces in each
member? Indicate a tensile force as a positive value and a compressive force as a negative value.
Express your answers numerically to three significant figures in newtons separated by commas.
▸ View Available Hint(s)
ΜΕ ΑΣΦΑ
vec
?
FDA FDC, FDB, FCA, FCB,
FCE =
240, 240,180,380, -315,480
B
Submit
Previous Answers
× Incorrect; Try Again; 5 attempts remaining
N](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe4498e0d-5915-421f-a7a7-3ad8a56e2358%2F24a671fd-ac2e-424c-9242-77927f6c01b8%2F1ipy0so_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Learning Goal:
To analyze the forces within space truss members and
the reaction forces that act on space trusses.
A space truss is a stable three-dimensional structure that
consists of members joined at their ends. If the external
loading is applied at the joints, and the joints are ball-
and-socket connections, the members of a space truss
may be treated as two-force members.
A space truss is subjected to a load of F = {110i - 410k} lb (Figure 1) Three ball-and-socket joints at C,
E, and G support the space truss. If F =110 lb, F = 410 lb in the negative z direction, and d = 9.00 ft,
what is the magnitude of the force in member AC? Indicate a tensile force as a positive value and a
compressive force as a negative value.
Express your answer numerically to three significant figures in pounds.
▸ View Available Hint(s)
FAC 110 lb
Figure
1 of 2
Submit
Previous Answers
Part B
Correct
As shown, a space truss is the frame for a building's awning. (Figure 2) Three ball-and-socket joints at A, B,
and E support the frame. If a force of F = {180i + 380j} N is applied at point D, what are the forces in each
member? Indicate a tensile force as a positive value and a compressive force as a negative value.
Express your answers numerically to three significant figures in newtons separated by commas.
▸ View Available Hint(s)
ΜΕ ΑΣΦΑ
vec
?
FDA FDC, FDB, FCA, FCB,
FCE =
240, 240,180,380, -315,480
B
Submit
Previous Answers
× Incorrect; Try Again; 5 attempts remaining
N
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