2010 F = ma Exam — Question 10 — Physics Guide

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F = ma (First 10)

Dynamics

FMA-2010-10 · 2010 F = ma (AAPT)

2010 F = ma Exam — Question 10

10. A block of mass m1 is on top of a block of mass m2. The lower block is on a horizontal surface, and a rope can pull horizontally on the lower block. The coeﬃcient of kinetic friction for all surfaces is µ. What is the resulting acceleration of the lower block if a force F is applied to the rope? Assume that F is suﬃciently large so that the top block slips on the lower block. 2 1 F — Source: Question 10, 2010 F = ma Exam, © 2010 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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