A Simple Pendulum and a Mass Oscillating on an Ideal

question 524

Multiple Choice

A simple pendulum and a mass oscillating on an ideal spring both have period T in an elevator at rest. If the elevator now accelerates downward uniformly at 2 m/s², what is true about the periods
Of these two systems?

• A) The period of the pendulum would decrease but the period of the spring would stay the same.
• B) Both periods would remain the same.
• C) Both periods would decrease.
• D) Both periods would increase.
• E) The period of the pendulum would increase but the period of the spring would stay the same.

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