Because every joint has more than two unknowns, we will begin by solving for the external reactions. The free- body diagram of the entire structure is shown. Calculate Ay, Ay, and Fy. 7.8 kN 7.8 kN 2 m 2m 2m 2m 2m H. B E 2m 2m 3m 3m 6.8 kN F.

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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)...
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How do you find the  finding the theta for the components of Ab?

the equations I have found to solve the problem is...

Ay-FABSin(theta)=0  and -FABCos(theta)+Ax-FAG=0

because Ay is shown in tension and Fab and FAG Is assumed to be in compression. 

round your answers to three decimal places and state if the member is in compression or tension (if the number you find for a member negative the the direction we assumed is wrong)

The free-body diagram for joint A is shown. The diagram is drawn assuming that each member of the truss is in
tension. Solve for the forces AB and AG. The forces are positive if in tension, negative if in compression.
AB
A
A
AG
A,
Answers:
AB =
kN
AG =
kN
%3D
Transcribed Image Text:The free-body diagram for joint A is shown. The diagram is drawn assuming that each member of the truss is in tension. Solve for the forces AB and AG. The forces are positive if in tension, negative if in compression. AB A A AG A, Answers: AB = kN AG = kN %3D
Because every joint has more than two unknowns, we will begin by solving for the external reactions. The free-
body diagram of the entire structure is shown. Calculate Ax, Ay, and Fy.
7.8 kN
7.8 kN
2m
D
2m
2m
B
2m
2m
E
2m
2m
3m
3m
6.8 kN
F
Transcribed Image Text:Because every joint has more than two unknowns, we will begin by solving for the external reactions. The free- body diagram of the entire structure is shown. Calculate Ax, Ay, and Fy. 7.8 kN 7.8 kN 2m D 2m 2m B 2m 2m E 2m 2m 3m 3m 6.8 kN F
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