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Why Is Acceleration Negative When Velocity Is Positive? [Solved]

An object which moves in the positive direction has a positive velocity. If the object is slowing down then its acceleration vector is directed in the opposite direction as its motion (in this case, a negative acceleration).

positive velocity negative acceleration

From www.PhysicsAccordingtoPalladino.org Introduction to

A Basic Acceleration Example Problem and Understanding Acceleration Direction

This video starts with a simple

What is Negative Acceleration and Positive Acceleration? Physics

The easy and quick concept of