A vibrating machine of 100 kg is mounted on a rubber pad which has stiffness of 500 N/m. Determine force transmitted to the foundation if the unbalanced force 500 N acts on it. The frequency ratio ( / ) is 1.5 and = 0.5

A vibrating machine of 100 kg is mounted on a rubber pad which has sti

1.	A vibrating machine of 100 kg is mounted on a rubber pad which has stiffness of 500 N/m. Determine force transmitted to the foundation if the unbalanced force 500 N acts on it. The frequency ratio ( / ) is 1.5 and = 0.5
A.	461.62 N
B.	400.23 N
C.	450 N
D.	Insufficient data
Answer» B. 400.23 N

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A vibrating machine of 100 kg is mounted on a rubber pad which has stiffness of 500 N/m. Determine force transmitted to the foundation if the unbalanced force 500 N acts on it. The frequency ratio ( / ) is 1.5 and = 0.5

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