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F = ma (11–17)
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FMA-2022A-17 · 2022A F = ma (AAPT)

2022 F = ma Exam A — Question 17

A thin rod has a nonuniform density. It is mounted on an axle passing perpendicular to it, through its center of mass, as shown, and is then rotated about the axle. CM ω The axle divides the rod into two parts, one on each side of it. Which of the following must be true, no matter how the mass in the rod is distributed?
Source: Question 17, 2022 F = ma Exam A, © 2022 American Association of Physics Teachers (AAPT) and the U.S. Physics Team. Adapted by PhysicsTrainer: reformatted into a separate question and answer choices for online multiple-choice practice; any shared setup from nearby questions is repeated here. Not affiliated with or endorsed by AAPT or the U.S. Physics Team.