A set of scales consists of an instrumented spring from which the mass of the measured object can be deduced, and a damper to reduce oscillations of the readings. The mass of the scales is small and the damper is chosen to give critical damping when a 10-kg object is weighed. If a mass of 20 kg is placed on the scales, what is the damping ratio and how many cycles of vibration will occur before the reading on the scales settles to within 1% of the correct value?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A set of scales consists of an instrumented spring from which the mass of the measured
object can be deduced, and a damper to reduce oscillations of the readings. The mass
of the scales is small and the damper is chosen to give critical damping when a 10-kg
object is weighed. If a mass of 20 kg is placed on the scales, what is the damping ratio
and how many cycles of vibration will occur before the reading on the scales settles to
within 1% of the correct value?
Transcribed Image Text:A set of scales consists of an instrumented spring from which the mass of the measured object can be deduced, and a damper to reduce oscillations of the readings. The mass of the scales is small and the damper is chosen to give critical damping when a 10-kg object is weighed. If a mass of 20 kg is placed on the scales, what is the damping ratio and how many cycles of vibration will occur before the reading on the scales settles to within 1% of the correct value?
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