Question

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In everyday language, the term acceleration is used to describe something that is speeding up, while deceleration is used to describe something that is slowing down. In physics, the word deceleration is not used at all. Instead, physicists talk about positive and negative acceleration. To understand this better, think about an object that is slowing down continuously until it stops, and then it starts to speed up and go backwards. The object is involved in one continuous process, so it does not make sense to use two different and opposite terms (acceleration and deceleration) to describe the same process. Acceleration is simply a vector quantity that involves a magnitude and a direction. Post a few short scenarios involving motion, in which you describe what is happening in everyday terms, including deceleration. Examine the postings of your classmates. Try to describe their scenarios using the scientific concepts of positive and negative acceleration. Examine the attempts of your classmates to describe motion scenarios using negative acceleration. Do you think they correctly describe the motion in the scenarios? Suggest any improvements that are necessary to make the descriptions correct

Answer 1

An example of acceleration is someone that's riding a carousel and a skydiver that's in free fall and deceleration is when one presses the brake while driving.

What is acceleration?

It should be noted that acceleration simply means the rate at which velocity changes with time.

In this case, an example of acceleration is someone that's riding a carousel and a skydiver that's in free fall and deceleration is when one presses the brake while driving. Acceleration can also be the fall of an apple from the tree.

Learn more about acceleration on:

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