A 1200 kg machine is mounted on four identical springs of total spring constant K and having negligible damping

Mechanical Engineering May 17, 2021

A 1200 kg machine is mounted on four identical springs of total spring constant K and having negligible damping. The machine is subjected to a harmonic external force of amplitude F.-490 N and frequency 180 r.p.m. Determine the amplitude of motion of the machine and maximum force transmitted to the foundation because of the unbalanced force when K = 1.96 × 10° N/m.

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