Question: The engine is mounted on a foundation block which is spring supported. Describe the steady-state vibration if the block and engine have a total weight

The engine is mounted on a foundation block which is spring supported. Describe the steady-state vibration if the block and engine have a total weight of 1500 lb, and the engine, when running, creates an impressed force F = (50 sin 2t) lb, where t is in seconds. Assume that the system vibrates only in the vertical direction, with the positive displacement measured downward, and that the total stiffness of the springs is k = 2000 lb/ft. The engine is mounted on a foundation block which is spring supported.

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