Wheel A, of 30kg, is located in the position shown by the effect of idler wheel D (frictionless wheel) and the system rope-spring BC. The static coefficient of friction is 0.50 and the kinetic coefficient is 0.40 between all the contact surfaces. If the force exerted by the horizontal spring is 60 N: a) Determine whether or not wheel A is turning when a moment M of 60 Nm is applied at point G. b) If it is shown that under the previous condition the wheel is turning, calculate the new value of the moment M necessary for the wheel to keep turning in equilibrium. Also indicate the frictional force that is generated at point F under that condition.
Wheel A, of 30kg, is located in the position shown by the effect of idler wheel D (frictionless wheel) and the system rope-spring BC. The static coefficient of friction is 0.50 and the kinetic coefficient is 0.40 between all the contact surfaces. If the force exerted by the horizontal spring is 60 N: a) Determine whether or not wheel A is turning when a moment M of 60 Nm is applied at point G. b) If it is shown that under the previous condition the wheel is turning, calculate the new value of the moment M necessary for the wheel to keep turning in equilibrium. Also indicate the frictional force that is generated at point F under that condition.
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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Wheel A, of 30kg, is located in the position shown by the effect of idler wheel D (frictionless wheel) and the system rope-spring BC. The static coefficient of friction is 0.50 and the kinetic coefficient is 0.40 between all the contact surfaces. If the force exerted by the horizontal spring is 60 N: a) Determine whether or not wheel A is turning when a moment M of 60 Nm is applied at point G.
b) If it is shown that under the previous condition the wheel is turning, calculate the new value of the moment M necessary for the wheel to keep turning in equilibrium. Also indicate the frictional force that is generated at point F under that condition.
Transcribed Image Text:D
145
E-
Rotate
freely
M,
Spring
R36,8
R180
Rope
450
В
F
dimenSi ons in mm
40°
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