Automobile Engineering in ME
The vehicle ride will be comfortable if

Sprang mass is kept minimum
Unsprung mass is kept minimum
Vehicle mass is kept minimum
All of the listed here

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Automobile Engineering in ME
An imbalance wheel during vehicle operation

Makes large noise when its heavy point hits the road surface
Deflects in the vehicle's longitudinal direction
Bounces vertically or deflects from side to side (as seen from front or rear)
Creates a standing wave

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