Why is acceleration a vector quantity?
1 Answer
Acceleration is a vector quantity because it has both magnitude and direction.
When an object has a positive acceleration, the acceleration occurs in the same direction as the movement of the object.
When an object has a negative acceleration (it's slowing down), the acceleration occurs in the opposite direction as the movement of the object.
Think of a ball thrown up into the air. Gravity is accelerating the ball at a constant rate of