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Fig. Q14.3 shows a simplified set up to determine the stiffness K and the damping coefficient, for a motorbike suspension. The suspension is fixed to a platform at one end, and a 20 kg mass is fixed to the other. It was noted that the suspension was compressed by 5 mm when the 20 kg was attached. The platform was then vibrated using a shaker giving the platform a motion given by; y = 6 sin 45 t mm. It was noted that the steady-state amplitude of vibration for M- 20 kg the 20 kg mass was 12 mm . Compute the value of K, and c. Ans : K=3.924 x 10ª N/m suspension C = 511.5 Ns/m platform FIG. Q14. 3 shaker

Fig. Q14.3 shows a simplified set up to determine the stiffness K and the damping coefficient, for a motorbike suspension. The suspension is fixed to a platform at one end, and a 20 kg mass is fixed to the other. It was noted that the suspension was compressed by 5 mm when the 20 kg was attached. The platform was then vibrated using a shaker giving the platform a motion given by; y = 6 sin 45 t mm. It was noted that the steady-state amplitude of vibration for M- 20 kg the 20 kg mass was 12 mm . Compute the value of K, and c. Ans : K=3.924 x 10ª N/m suspension C = 511.5 Ns/m platform FIG. Q14. 3 shaker

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Topic: Mechanics of Machines & Vibrations \ Damped System under Sinusoidal Excitation
Solve this problem through a step-by-step working without taking any shortcuts. Draw any relevant diagrams if necessary.

 

14.3) Fig. Q14.3 shows a simplified set up to determine the stiffness K and the damping coefficient, C, for a motorbike suspension. The suspension is fixed to a platform at one end, and a 20 kg mass is fixed to the other. It was noted that the suspension was compressed by 5 mm when the 20 kg was attached. The platform was then vibrated using a shaker giving the platform a motion given by; y = 6 sin 45 t mm. It was noted that the steady-state amplitude of vibration for M= 20 kg the 20 kg mass was 12 mm. Compute the value of K, and C. Ans : K= 3.924 x 10ª N/m suspension C = 511.5 Ns/m platform FIG. Q14. 3 shaker
Transcribed Image Text:14.3) Fig. Q14.3 shows a simplified set up to determine the stiffness K and the damping coefficient, C, for a motorbike suspension. The suspension is fixed to a platform at one end, and a 20 kg mass is fixed to the other. It was noted that the suspension was compressed by 5 mm when the 20 kg was attached. The platform was then vibrated using a shaker giving the platform a motion given by; y = 6 sin 45 t mm. It was noted that the steady-state amplitude of vibration for M= 20 kg the 20 kg mass was 12 mm. Compute the value of K, and C. Ans : K= 3.924 x 10ª N/m suspension C = 511.5 Ns/m platform FIG. Q14. 3 shaker
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