Determine the force in each member of the loaded truss. All triangles are 3-4-5. Enter a positive number if the member is in tension,negative if in compression.Part 119 KNBI8HCorrectWe can also see that BI = DIG-4 panels at 8 mAnswer: Cl = 021kNI40 KNConsider joint I. The Free-Body diagram is shown. All members are assumed to be in tension.Use this diagram to find the force in Cl. Use a positive number if in tension, a negative number if in compression.CIKNFDEDI Part 2Examine joints F and H in order to find the foces in BH and DF.CorrectAnswers:We also learn that AH = GH and EF = FG.BH= 0DF= 0eTextbook and MediaPart 3HintBCCorrectPart 4Consider joint C next. The Free-Body diagram is shown. All members are assumed to be in tension.Use this diagram to find the forces BC and CD. Use a positive number if in tension, a negative number if in compression.C 21 kNKCIAnswers:BC= 13.125CD= -13.125kNKNAnswer: Ng=AyEvery other joint in the truss has more than two unknowns. Time to switch tactics.19 KNKNKNHere is a Free-Body diagram for the entire truss. Solve for the reaction Ng under the roller at E.CDBHCKNI21 KNG4 panels at 8 m40 KNDFAttempts: 1 of 3 usedNE

Answered: Image /qna-images/answer/ab957ff2-2c7b-4f5a-a19f-6d74a7e4b221.jpg

Every other joint in the truss has more than two unknowns. Time to switch tactics. Here is a Free-Body diagram for the entire truss. Solve for the reaction Ng under the roller at E A₂ Answer: Ng= 19 KN H C 21 kN 4 panels at 8 m- KN 40 KN

Every other joint in the truss has more than two unknowns. Time to switch tactics. Here is a Free-Body diagram for the entire truss. Solve for the reaction Ng under the roller at E A₂ Answer: Ng= 19 KN H C 21 kN 4 panels at 8 m- KN 40 KN

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter6: Beams And Cables

Section: Chapter Questions

Problem 6.15P: The structure is supported by a pin at C and a cable attached to A. The cable runs over the small...

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Concept explainers

Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.

Question

Determine the force in each member of the loaded truss. All triangles are 3-4-5. Enter a positive number if the member is in tension,
negative if in compression.
Part 1
19 KN
BI
8
H
Correct
We can also see that BI = DI
G
-4 panels at 8 m
Answer: Cl = 0
21kN
I
40 KN
Consider joint I. The Free-Body diagram is shown. All members are assumed to be in tension.
Use this diagram to find the force in Cl. Use a positive number if in tension, a negative number if in compression.
CI
KN
F
D
E
DI

Part 2
Examine joints F and H in order to find the foces in BH and DF.
Correct
Answers:
We also learn that AH = GH and EF = FG.
BH= 0
DF= 0
eTextbook and Media
Part 3
Hint
BC
Correct
Part 4
Consider joint C next. The Free-Body diagram is shown. All members are assumed to be in tension.
Use this diagram to find the forces BC and CD. Use a positive number if in tension, a negative number if in compression.
C 21 kN
K
CI
Answers:
BC= 13.125
CD= -13.125
kN
KN
Answer: Ng=
Ay
Every other joint in the truss has more than two unknowns. Time to switch tactics.
19 KN
KN
KN
Here is a Free-Body diagram for the entire truss. Solve for the reaction Ng under the roller at E.
CD
B
H
C
KN
I
21 KN
G
4 panels at 8 m
40 KN
D
F
Attempts: 1 of 3 used
NE

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