An object can be said to be accelerating if it is a)changing direction, c) slowing down, and d) gaining speed.
Acceleration is the rate of change of velocity over time for both velocity and direction. A point or object moving in a straight line accelerates as it accelerates or decelerates. Circular motion is accelerated because it always changes direction even at constant velocity. There are three types of accelerated motion:
Uniform acceleration, unequal acceleration, and average acceleration. Example of positive acceleration: A car is moving forward in a positive direction and is accelerating so that the acceleration is in the same direction as the car is moving. An object can also have positive acceleration if it slows down while moving in a negative direction.
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