To start the investigation on the mass–spring–damper presume the damping is negligible and that there is no exterior drive placed on the mass (i.e. free of charge vibration). The force placed on the mass with the spring is proportional on the amount the spring is stretched "x" (assuming the spring https://vibration-isolator-specif26880.full-design.com/not-known-details-about-vibration-isolator-catalogue-71398426