2017 F = ma Exam — Question 6 — Physics Guide

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F = ma (First 10)

Dynamics

FMA-2017-06 · 2017 F = ma (AAPT)

2017 F = ma Exam — Question 6

In the mobile below, the two cross beams and the seven supporting strings are all massless. The hanging objects are M = 400 g, M = 200 g, and M = 500 g. What is the value of M for the system to be in 1 2 4 3 static equilibrium? 0.4 m 0.5 m 0.1 m 0.2 m 0.1 m 0.2 m M 1 M 2 M M 3 4 — Source: Question 6, 2017 F = ma Exam, © 2017 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.

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F = ma problems are © the American Association of Physics Teachers (AAPT) and the U.S. Physics Team, the original source, and are used with permission. Problems shown here are adaptations: they have been reformatted by Physics Guide into separate question and answer-choice pieces for online multiple-choice practice. Physics Guide is an independent student project and is not affiliated with, endorsed by, operated by, or supported by AAPT, F = ma, USAPhO, or the U.S. Physics Team.

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