A box that có. iins of Iment is transported by å truck that Is bjected to a vertical harmonic motion given by y(t) moves in vertical translation and is supported by four springs with stiffness, k = 250 × 4 N/m as simplified in Figure Q3. = 0.02 sin 3t. Assume that the instrument only Determine the maximum displacement, velocity and acceleration experienced by the instrument. (а) (b) Evaluate the percentage of vibration transmitted from the truck bed to the instrument and justify the outcome. (c) Analyze the best possible solution to allow only 80% of vibration transmitted to the instrument. Please support your answer with calculation and draw a mass spring system for this solution.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A box that contains of a 250 kg fragile instrument is transported by a truck that is subjected
to a vertical harmonic motion given by y(t) = 0.02 sin 3t. Assume that the instrument only
moves in vertical translation and is supported by four springs with stiffness, k= 250 × 4 N/m
as simplified in Figure Q3.
Q3
(а)
Determine the maximum displacement, velocity and acceleration experienced by the
instrument.
(b)
Evaluate the percentage of vibration transmitted from the truck bed to the instrument
and justify the outcome.
Analyze the best possible solution to allow only 80% of vibration transmitted to the
instrument. Please support your answer with calculation and draw a mass spring
system for this solution.
(c)
Transcribed Image Text:A box that contains of a 250 kg fragile instrument is transported by a truck that is subjected to a vertical harmonic motion given by y(t) = 0.02 sin 3t. Assume that the instrument only moves in vertical translation and is supported by four springs with stiffness, k= 250 × 4 N/m as simplified in Figure Q3. Q3 (а) Determine the maximum displacement, velocity and acceleration experienced by the instrument. (b) Evaluate the percentage of vibration transmitted from the truck bed to the instrument and justify the outcome. Analyze the best possible solution to allow only 80% of vibration transmitted to the instrument. Please support your answer with calculation and draw a mass spring system for this solution. (c)
k
k
250 kg
k
k
Figure Q3
Transcribed Image Text:k k 250 kg k k Figure Q3
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