MUST SKETCH FREE BODY DIAGRAM (FBD) P33 mBFP₁-3 mQ-4ECP₂-3m-3 mD Q-4: By using the method of sections, determine the force in members BC, BF, CF and EF of thetruss and state if these members are in tension or compression. Set P₁ = 12 kN, P₂ = 15 kN andP3 = 9 kN. (Note: you need to use the joint method to determine the force in member BF).

Answered: Image /qna-images/answer/8179bbdd-7312-4ca4-9740-5d2abab67ba8.jpg

Answered: A P3 3 m B F P₁₁ -3m- E C P₂ -3m- 3 m D

Engineering

Mechanical Engineering

A P3 3 m B F P₁₁ -3m- E C P₂ -3m- 3 m D

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

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter4: Coplanar Equilibrium Analysis

Section: Chapter Questions

Problem 4.35P: Find the smallest value of P for which the crate in the Prob. 4.34 will be in equilibrium in the...

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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

MUST SKETCH FREE BODY DIAGRAM (FBD)

P3
3 m
B
F
P₁
-3 m
Q-4
E
C
P₂
-3m-
3 m
D

Q-4: By using the method of sections, determine the force in members BC, BF, CF and EF of the
truss and state if these members are in tension or compression. Set P₁ = 12 kN, P₂ = 15 kN and
P3 = 9 kN. (Note: you need to use the joint method to determine the force in member BF).

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