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    Newtons' second law is applied.

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    You step into an elevator at the 10th floor and press the 2nd-floor button. The elevator accelerates downward briefly as it picks up speed. There are two forces acting on you: the floor pushing up on you and gravity pulling down. Compare these two forces while the elevator is accelerating downward. explain your answer in terms of Newtons' second law of motion.

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    here is the answer:

    since the velocity of the elevator is increasing in downward ...

    Solution Summary

    The solution applies Newton's Second Law. the two forces in an elevator are compared.