Prob-7 A mechanical speed control system works on the basis of centrifugal force, which is related to angular velocity through the formula of F = m r w², where F is force, m is the mass of rotating weights, r is the radius of rotation, and w is the angular velocity of the system. The following values are measured to determine w; r = 25±0.025 [mm]; m = 150±1.0 [g]; F= 1000 ± 0.1% [N]. Find the rotational speed in rpm an its absolute uncertainty? Sol:
Prob-7 A mechanical speed control system works on the basis of centrifugal force, which is related to angular velocity through the formula of F = m r w², where F is force, m is the mass of rotating weights, r is the radius of rotation, and w is the angular velocity of the system. The following values are measured to determine w; r = 25±0.025 [mm]; m = 150±1.0 [g]; F= 1000 ± 0.1% [N]. Find the rotational speed in rpm an its absolute uncertainty? Sol:
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![Prob-7
A mechanical speed control system works on the basis of centrifugal force, which is related to angular velocity through the formula of F = m r w²,
where F is force, m is the mass of rotating weights, r is the radius of rotation, and w is the angular velocity of the system. The following values are
measured to determine w;
r = 25 ± 0.025 [mm]; m = 150±1.0 [g]; F= 1000 ± 0.1% [N].
Find the rotational speed in rpm an its absolute uncertainty?
Sol:](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F95aeff90-eae1-41d1-a6d5-24c543733ee7%2F4089de53-4490-4188-87df-d02db0a948a3%2F03pj0ptj_processed.png&w=3840&q=75)
Transcribed Image Text:Prob-7
A mechanical speed control system works on the basis of centrifugal force, which is related to angular velocity through the formula of F = m r w²,
where F is force, m is the mass of rotating weights, r is the radius of rotation, and w is the angular velocity of the system. The following values are
measured to determine w;
r = 25 ± 0.025 [mm]; m = 150±1.0 [g]; F= 1000 ± 0.1% [N].
Find the rotational speed in rpm an its absolute uncertainty?
Sol:
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