Additional Prob. 2: Figure a below shows a schematic diagram of a seat-suspensio

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Additional Prob. 2: Figure a below shows a schematic diagram of a seat-suspension system, which is designed to attenuate the road vibrations to the driver. Figure b shows the lumped mechanical model of the seat-suspension system. Mass mi is the mass of the seat, while mass m kg is the mass of the driver. Ideal spring constant k and viscous friction damper ci model shock absorber connecting the seat to the vehicle's cabin floor. Spring constant k and friction damper c represent the stiffiness and damping of seat cushion, respectively. Finally, z is the vertical displacement of the seat mass and zz is the displacement of the driver mass, both are measured relative to their static equilibrium positions. The vertical displacement of the cabin floor (due to uneven roa ushion, respectively. Finally, zis the vertical displacement of thoe

Explanation / Answer

Motion of equations

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