A motor attached to the shaft at O causes the arm to rotate over the range 0 < 0 < 180°. The unstretched length of the spring is 0.65 m, and it can support both tension and compression. If the net moment about O must be zero, determine and plot the required motor torque M as a function of 0. Draw the plot and then answer the questions. Assume k = 78O N/m, r = : 0.47 m, a = 0.32 m. y M A" A' B Answers: If 0 = 28°, M = i N-m If 0 = 66°, M = i N-m If 0 = 112°, M = i N•m www
A motor attached to the shaft at O causes the arm to rotate over the range 0 < 0 < 180°. The unstretched length of the spring is 0.65 m, and it can support both tension and compression. If the net moment about O must be zero, determine and plot the required motor torque M as a function of 0. Draw the plot and then answer the questions. Assume k = 78O N/m, r = : 0.47 m, a = 0.32 m. y M A" A' B Answers: If 0 = 28°, M = i N-m If 0 = 66°, M = i N-m If 0 = 112°, M = i N•m www
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
A motor attached to the shaft at O causes the arm to rotate over the range 0≤θ≤180∘. The unstretched length of the spring is 0.65 m, and it can support both tension and compression. If the net moment about O must be zero, determine and plot the required motor torque M as a function of θ. Draw the plot and then answer the questions.
Assume k = 780 N/m, r = 0.47 m, a = 0.32 m.
Transcribed Image Text:A motor attached to the shaft at O causes the arm to rotate over the range 0 < 0 < 180°. The unstretched length of the spring
is 0.65 m, and it can support both tension and compression. If the net moment about O must be zero, determine and plot the
required motor torque M as a function of 0. Draw the plot and then answer the questions.
Assume k = 78O N/m, r =
: 0.47 m, a = 0.32 m.
y
M
A"
A'
B
Answers:
If 0 = 28°, M =
i
N-m
If 0 = 66°, M =
i
N-m
If 0 = 112°, M =
i
N•m
www
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