Part 2Find the magnitudes of the forces in pins B and D.Answers:B=D=iiANNB60⁰BD870 NOC Determine the magnitudes of all pin reactions for the frame loaded as shown.APart 1640mm30⁰* IncorrectAnswer: BD=A280mm545.784B60°The Free-Body diagram for bar ABC is shown. Note that bar BD is a two-force member. Solve for the force BD.870 NOCB60°NBD870 N

Given data: F=870 N Need to determine the force in member BC and force at pin B, D.

Determine the magnitudes of all pin reactions for the frame loaded as shown. A Part 1 640 mm 30⁰ * Incorrect A Ay 280 mm Answer: BD = 545.784 B 60° 870 N The Free-Body diagram for bar ABC is shown. Note that bar BD is a two-force member. Solve for the force BD. OC D B 60° N BD 870 N C

Determine the magnitudes of all pin reactions for the frame loaded as shown. A Part 1 640 mm 30⁰ * Incorrect A Ay 280 mm Answer: BD = 545.784 B 60° 870 N The Free-Body diagram for bar ABC is shown. Note that bar BD is a two-force member. Solve for the force BD. OC D B 60° N BD 870 N C

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

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter5: Three-dimensional Equilibrium

Section: Chapter Questions

Problem 5.12P: The homogeneous 240-lb bar is supported by a rough horizontal surface at A, a smooth vertical...

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Question

Part 2
Find the magnitudes of the forces in pins B and D.
Answers:
B=
D=
i
i
A
N
N
B
60⁰
BD
870 N
OC

Determine the magnitudes of all pin reactions for the frame loaded as shown.
A
Part 1
640
mm
30⁰
* Incorrect
Answer: BD=
A
280
mm
545.784
B
60°
The Free-Body diagram for bar ABC is shown. Note that bar BD is a two-force member. Solve for the force BD.
870 N
OC
B
60°
N
BD
870 N

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Part 3
Find the forces Ax and Ay.
A
Answers:
Ax
=
Ay=
i
A
A,
N
N
B
60°
BD
870 N

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