اكتب هنا FREE-BODY DIAGRAM EXERCISES 3/A In each of the five following examples, the body to be isolated is shown in the left-hand diagram, and an in- complete free-body diagram (FBD) of the isolated body is shown on the right. Add whatever forces are nec- essary in each case to form a complete free-body dia- gram. The weights of the bodies are negligible unless otherwise indicated. Dimensions and numerical values are omitted for simplicity. Body Incomplete FBD 1. Bell crank supporting mass m with pin support at A. mg T m Flexible cable A Pull P 2. Control lever applying torque to shaft at 0. Fo 3. Boom OA, of negligible mass compared with mass m. Boom hinged at O and supported by hoisting cable at B. B m mg

International Edition---engineering Mechanics: Statics, 4th Edition
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Author:Andrew Pytel And Jaan Kiusalaas
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Chapter9: Moments And Products Of Inertia Of Areas
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Problem 9.13P: Figure (a) shows the cross section of a column that uses a structural shape known as W867...
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FREE-BODY DIAGRAM EXERCISES
3/A In each of the five following examples, the body to be
isolated is shown in the left-hand diagram, and an in-
complete free-body diagram (FBD) of the isolated body
is shown on the right. Add whatever forces are nec-
essary in each case to form a complete free-body dia-
gram. The weights of the bodies are negligible unless
otherwise indicated. Dimensions and numerical values
are omitted for simplicity.
Body
Incomplete FBD
1. Bell crank
supporting mass
m with pin support
at A.
mg
m
Flexible
cable A
Pull P
P.
2. Control lever
applying torque
to shaft at 0.
Fo
3. Boom OA, of
negligible mass
compared with
mass m. Boom
hinged at O and
supported by
hoisting cable at B.
B
m
mg
4. Uniform crate of
mass m leaning
against smooth
vertical wall and
supported on a
rough horizontal
surface.
A
mg
B
B
5. Loaded bracket
supported by pin
connection at A and
fixed pin in smooth
slot at B.
Load L
Figure 3/A
Page5
Transcribed Image Text:FREE-BODY DIAGRAM EXERCISES 3/A In each of the five following examples, the body to be isolated is shown in the left-hand diagram, and an in- complete free-body diagram (FBD) of the isolated body is shown on the right. Add whatever forces are nec- essary in each case to form a complete free-body dia- gram. The weights of the bodies are negligible unless otherwise indicated. Dimensions and numerical values are omitted for simplicity. Body Incomplete FBD 1. Bell crank supporting mass m with pin support at A. mg m Flexible cable A Pull P P. 2. Control lever applying torque to shaft at 0. Fo 3. Boom OA, of negligible mass compared with mass m. Boom hinged at O and supported by hoisting cable at B. B m mg 4. Uniform crate of mass m leaning against smooth vertical wall and supported on a rough horizontal surface. A mg B B 5. Loaded bracket supported by pin connection at A and fixed pin in smooth slot at B. Load L Figure 3/A Page5
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