Free AP Physics C lesson

Elevator Problems

This AP Physics C: Mechanics lesson is designed for AP Physics C self-study. It includes 1 video lesson, 2 practice questions, and an estimated completion time of 14 minutes.

Video lessons

  1. Physics of Elevators

    Watch on YouTube

Practice covered

  1. A 60 kg person stands on a bathroom scale in an elevator. The scale reads 720 N. What is the acceleration of the elevator (in m/s²)? Use g = 10 m/s^2.
  2. A 3 kg bowling ball hangs from a string and swings through the lowest point of its arc at 4 m/s. The radius of the circular path is 10 m. What is the tension in the string at the lowest point? Use g = 10 m/s^2.
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