Projectile acceleration at the top of its path
At the highest point of a projectile's path, its acceleration is:
Answer A: explanation for every choice
A
Correct. Gravity acts throughout the flight. Only the vertical component of velocity is zero at the peak.
B
Zero is the vertical velocity at the peak, not the acceleration.
C
Gravity always points downward.
D
With no air resistance, there is no horizontal acceleration.
TakeawayGravity acts the whole flight. At the top, vertical velocity is zero, not acceleration.
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Reviewed 2026-11-05 by a medical student. Spot an error? Report it with question ID cp6.