Engineering Mechanics: Statics, Fourth Edition Pytel / Kiusalaas In Class Exercise 3.14 The shaft-and-pulley assembly ABCD is driven by the 32-lb - ft torque |(couple) supplied by the electric motor at A. The assembly is also subjected to the two belt tensions shown at each of the two pulleys. Determine the force-couple system at D that is equivalent to the torque and the four belt tensions. Solution: 26 lb 12 lb -1.0 ft Move all the forces to 12 point D. Write the forces in 12 lb 26 lb 32 lb · ft -0.75 ft 8 lb vector form. Sum all forces to obtain Pulley C 32 lb resultant force R at D. 8 lb 1.5 ft For each force on each 32 lb pulley, draw their position vectors from point D: On pulley C, identify the required position 8 lb TDE ГDF 32 lb y D vectors
Engineering Mechanics: Statics, Fourth Edition Pytel / Kiusalaas In Class Exercise 3.14 The shaft-and-pulley assembly ABCD is driven by the 32-lb - ft torque |(couple) supplied by the electric motor at A. The assembly is also subjected to the two belt tensions shown at each of the two pulleys. Determine the force-couple system at D that is equivalent to the torque and the four belt tensions. Solution: 26 lb 12 lb -1.0 ft Move all the forces to 12 point D. Write the forces in 12 lb 26 lb 32 lb · ft -0.75 ft 8 lb vector form. Sum all forces to obtain Pulley C 32 lb resultant force R at D. 8 lb 1.5 ft For each force on each 32 lb pulley, draw their position vectors from point D: On pulley C, identify the required position 8 lb TDE ГDF 32 lb y D vectors
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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Question
Im having a difficult time identifying the couple forces
![Engineering Mechanics: Statics, Fourth Edition
Pytel / Kiusalaas
In Class Exercise
3.14 The shaft-and-pulley assembly ABCD is driven by the 32-lb - ft torque
|(couple) supplied by the electric motor at A. The assembly is also subjected to the
two belt tensions shown at each of the two pulleys. Determine the force-couple
system at D that is equivalent to the torque and the four belt tensions.
Solution:
26 lb
12 lb
-1.0 ft
Move all the forces to
12
point D.
Write the forces in
12 lb
26 lb
32 lb · ft
-0.75 ft
8 lb
vector form.
Sum all forces to obtain
Pulley C
32 lb
resultant force R at D.
8 lb
1.5 ft
For each force on each
32 lb
pulley, draw their
position vectors from
point D:
On pulley C,
identify the
required position
8 lb
TDE
ГDF
32 lb
y
D
vectors](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa12fa0cb-9b3e-42c8-b468-eec4c93076ba%2F3329e005-ffb1-410c-a317-39590512655f%2Fams2148.png&w=3840&q=75)
Transcribed Image Text:Engineering Mechanics: Statics, Fourth Edition
Pytel / Kiusalaas
In Class Exercise
3.14 The shaft-and-pulley assembly ABCD is driven by the 32-lb - ft torque
|(couple) supplied by the electric motor at A. The assembly is also subjected to the
two belt tensions shown at each of the two pulleys. Determine the force-couple
system at D that is equivalent to the torque and the four belt tensions.
Solution:
26 lb
12 lb
-1.0 ft
Move all the forces to
12
point D.
Write the forces in
12 lb
26 lb
32 lb · ft
-0.75 ft
8 lb
vector form.
Sum all forces to obtain
Pulley C
32 lb
resultant force R at D.
8 lb
1.5 ft
For each force on each
32 lb
pulley, draw their
position vectors from
point D:
On pulley C,
identify the
required position
8 lb
TDE
ГDF
32 lb
y
D
vectors
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