An automobile is found to have a natural frequency of 20 rad/s without passengers and 17.32...

 
 

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An automobile is found to have a natural frequency of 20 rad/s without passengers and 17.32 rad/s with passengers of mass 500 kg. Find (a) the mass and (b) stiffness of the automobile by treat- ing it as an undamped Single-Degree-of-Freedom (SDOF) system. a) mass m = 1500 kg b) stiffness k 600 kN/m An automobile is found to have a natural frequency of 20 rad/s without passengers and 17.32 rad/s with passengers of mass 500 kg. Find (a) the mass and (b) stiffness of the automobile by treat- ing it as an undamped Single-Degree-of-Freedom (SDOF) system. a) mass m = 1500 kg b) stiffness k 600 kN/m