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FMA-2011-22 · 2011 F = ma (AAPT)

2011 F = ma Exam — Question 22

22. This graph depicts the torque output of a hypothetical gasoline engine as a function of rotation frequency. The engine is incapable of running outside of the graphed range. I II III Engine Revolutions per Minute 0 0 10 20 30 Output Torque (Nm) 1,000 2,000 At what engine RPM (revolutions per minute) does the engine produce maximum power?
Source: Question 22, 2011 F = ma Exam, © 2011 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.