Statics and Dynamics Quiz
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An engineer is tasked with designing a vibration isolation platform. The platform (mass m) is supported by a spring of stiffness k. To achieve a natural frequency no greater than ωtarget, the engineer considers adding mass to the platform. A colleague suggests that instead of adding mass, the engineer could achieve the same target frequency by replacing the spring with a softer one of stiffness k′=k/n2, where n is the factor by which mass would have been increased.
Which of the following correctly evaluates the colleague's suggestion?
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