In a damped free vibration of a mass supported on a spring and a dampe – McqOptions

MCQOPTIONS

1.	In a damped free vibration of a mass supported on a spring and a damper, where the damping force is proportional to the velocity, the ratio of two successive amplitudes
A.	remains constant
B.	gradually decreases and varies linearly with time
C.	gradually decreases and varies exponentially with time
D.	None of the above
Answer» B. gradually decreases and varies linearly with time

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