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F = ma (11–17)
Dynamics
FMA-2022A-14 · 2022A F = ma (AAPT)

2022 F = ma Exam A — Question 14

A small block is released from rest on the rim of a fixed, frictionless hemispherical bowl. From the time the block is released, until it reaches the bottom of the bowl, which of the following is true? I. The speed of the block never decreases. II. The magnitude of the horizontal component of the velocity of the block never decreases.  III. The magnitude of the vertical component of the velocity of the block never decreases.
Source: Question 14, 2022 F = ma Exam A, © 2022 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.