5. Determine the support forces and force in each member of the truss in Fig. Q5 and state if the members are in tension or compression. 1.5 m 2 m B 4 kN Fig. Q5 3 kN 2 m 10 = 30° a) Draw FBD of truss ABCD and determine support forces at A and C. b) Draw FBD of pin at C. Determine unknown member forces. c) Draw FBD of pin at B. Determine unknown member forces. d) Draw FBD of pin at A. Determine unknown member force. [Ax=1.2kN, A,-0.88kN, C,-1.8kN, Cy=3.13kN, FBC= 2.37(T), FcD= 5.21(C), FAB= 2.37(T), FBD= 4.0(T), FAD= 1.47(C)]

5. Determine the support forces and force in each member of the truss in Fig. Q5 and state if the members are in tension or compression. 1.5 m 2 m B 4 kN Fig. Q5 3 kN 2 m 10 = 30° a) Draw FBD of truss ABCD and determine support forces at A and C. b) Draw FBD of pin at C. Determine unknown member forces. c) Draw FBD of pin at B. Determine unknown member forces. d) Draw FBD of pin at A. Determine unknown member force. [Ax=1.2kN, A,-0.88kN, C,-1.8kN, Cy=3.13kN, FBC= 2.37(T), FcD= 5.21(C), FAB= 2.37(T), FBD= 4.0(T), FAD= 1.47(C)]

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

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Concept explainers

Free Body Diagram

The system of forces acting on a body tends to either rotate it or make the body undergo motion. In general, when an external agent exerts a force on a body, the body undergoes translational motion and rotational motion. The body has six degrees of freedom under the influence of that force. Here, three degrees of freedom are from the translational motion while the other three are from the rotation motion. However, sometimes the bodies are not allowed to undergo any motion and are fixed, under such conditions the body is said to be constrained.

Question

5. Determine the support forces and force in each member of the truss in
Fig. Q5 and state if the members are in tension or compression.
D
3 kN
1.5 m
A
0 = 30°
B
2 m
2 m
4 kN
Fig. Q5
a) Draw FBD of truss ABCD and determine support forces at A and C.
b) Draw FBD of pin at C. Determine unknown member forces.
c) Draw FBD of pin at B. Determine unknown member forces.
d) Draw FBD of pin at A. Determine unknown member force.
[A,=1.2kN, A,=0.88KN, C,=1.8kN, C,=3.13kN, FBc= 2.37(T), FCD= 5.21(C),
FAB= 2.37(T), FBD= 4.0(T), FAD= 1.47(C)]
lyp

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