At a given instant, the acceleration of a certain particle is zero. This means that
A) the velocity is constant.
B) the velocity is increasing.
C) the velocity is decreasing.
D) the velocity is not changing at that instant.
E) the velocity is zero.

Question

Quizplus · Accepted Answer

At a given instant, if the acceleration of a particle is zero, it means that the velocity is not changing at that instant.

At a Given Instant, the Acceleration of a Certain Particle