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F = ma (11–17)
Dynamics
FMA-2008-11 · 2008 F = ma (AAPT)

2008 F = ma Exam — Question 11

The following information applies to the next two problems An experiment consists of pulling a heavy wooden block across a level surface with a spring force meter. The constant force for each try is recorded, as is the acceleration of the block. The data are shown below. Force F in Newtons 3.05 3.45 4.05 4.45 5.05 acceleration a in meters/second2 0.095 0.205 0.295 0.405 0.495 11. Which is the best value for the coefficient of friction between the block and the surface?
Source: Question 11, 2008 F = ma Exam, © 2008 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.