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F = ma (First 10)
Dynamics
FMA-2024-05 · 2024 F = ma (AAPT)

2024 F = ma Exam — Question 5

A massless inclined plane with angle 30◦ to the horizontal is fixed to a scale. A block of mass m is released from the top of the plane, which is frictionless. m 30◦ As the block slides down the plane, what is the reading on the scale?
Source: Question 5, 2024 F = ma Exam, © 2024 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.