4. A precision grinding machine is supported on an isolator that has a stiffness of 1 MN/m and a viscous damping constant of 1 kN-s/m. The floor on which the machine is mounted is subjected to a harmonic disturbance due to the operation of an unbalanced engine in the vicinity of the grinding machine. Find the maximum acceptable displacement amplitude of the floor if the resulting amplitude of vibration of the grinding wheel is to be restricted to 10“ m. Assume that the grinding machine and the wheel are a rigid body of weight 5000 N. Grinding wheel Grinding- machine M) - Y sin ot Y sin 200 mt m Isolator Floor A. Y = 69.5294 (10) m C. Y = 269.5294 (10) m D. Y = 369.5294 (10) m B. Y = 169.5294 (10-6) m

4. A precision grinding machine is supported on an isolator that has a stiffness of 1 MN/m and a viscous damping constant of 1 kN-s/m. The floor on which the machine is mounted is subjected to a harmonic disturbance due to the operation of an unbalanced engine in the vicinity of the grinding machine. Find the maximum acceptable displacement amplitude of the floor if the resulting amplitude of vibration of the grinding wheel is to be restricted to 10“ m. Assume that the grinding machine and the wheel are a rigid body of weight 5000 N. Grinding wheel Grinding- machine M) - Y sin ot Y sin 200 mt m Isolator Floor A. Y = 69.5294 (10) m C. Y = 269.5294 (10) m D. Y = 369.5294 (10) m B. Y = 169.5294 (10-6) 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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