A four cylinder automobile engine is to be supported on three shock mounts as shown. The engine block assembly has a mass of 225 kg. If the unbalanced force generated by the engine is given by 900 sin [100nt ]] N, Design the three shock mounts (each stiffness k and viscous-damping constant c) such that the amplitude of vibration is less than 0.125 cm (assume E=0.01) Sof Chanis Ok 12 x 106 N/m and c = 600 N. s/m Ok 36 × 106 N/m and c = 1800 N. s/m Ok 5.5 x 106 N/m and c= 500 N. s/m Ok2.5 x 106 N/m and c = 300 N. s/m

A four cylinder automobile engine is to be supported on three shock mounts as shown. The engine block assembly has a mass of 225 kg. If the unbalanced force generated by the engine is given by 900 sin [100nt ]] N, Design the three shock mounts (each stiffness k and viscous-damping constant c) such that the amplitude of vibration is less than 0.125 cm (assume E=0.01) Sof Chanis Ok 12 x 106 N/m and c = 600 N. s/m Ok 36 × 106 N/m and c = 1800 N. s/m Ok 5.5 x 106 N/m and c= 500 N. s/m Ok2.5 x 106 N/m and c = 300 N. s/m

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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Concept explainers

Free Damped Vibrations

Free vibration is a type of vibration in which the external force is removed after giving the initial displacement to a body/system. In other words, in this type of vibration, force is applied at the initial displacement of the system, and after the initial displacement, force is removed, and the system vibrates at the natural frequency.

Question

A four cylinder automobile engine is to be supported on three shock mounts as
shown. The engine block assembly has a mass of 225 kg. If the unbalanced force
generated by the engine is given by 900 sin [100nt ]] N, Design the three shock
mounts (each stiffness k and viscous-damping constant c) such that the amplitude of
vibration is less than 0.125 cm (assume E=0.01)
Ok 12 x 106 N/m and c = 600 N. s/m
Ok
36 × 106 N/m and c = 1800 N. s/m
Ok
5.5 x 106 N/m and c= 500 N. s/m
Ok
2.5 x 106 N/m and c = 300 N. s/m

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