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Trial 1: Get a textbook and put a sheet of paper on top of it. Fold the paper as needed to keep the paper from sticking over the edge of the book.Hold the textbook with the paper on top, horizontally about waist high.Drop the book and paper so that they hit the floor flat. Record your observations.Trial 2: With the book in one hand and the paper in the other, drop the book and paper simultaneously from the same height. Record your observations.

User Jos
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2 Answers

5 votes

Answer:

Trial 1:The objects reach the ground at the same time, giving me the assumption that these two objects have the same acceleration which actually has a name in physics. Gravitational acceleration. I believe those would occur because the notebook/textbook I dropped mass was much greater than just the paper so the air resistance had less of an effect on it and I would guess because the appear was close to the notebook I dropped it wasn’t affected by its own air resistance.

Trial 2: In this case with the book and sheet further apart but dropped from the same height, the book hit the ground first. This is because they are now not closely connected I believe. And because they are more sep[erated they now are affected by their own air resistance which varied because of their masses. Because the notebook I dropped mass was greater than the paper it’s air resistance was less than the appear resulting in it’s faster drop than the lighter sheet of paper that dropped slower.

Step-by-step explanation:

I did I the assignment

User Md Nazmoon Noor
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5.2k points
3 votes

Answer:

1) the two objects reach the floor at the same time.

2)the book reaches the floor much earlier than the foil

In conclusion, the difference in motion between the two systems subjected to the same acceleration depends on the weight of the body and friction force, when the body has less weight, the friction of the air affects it more

Step-by-step explanation:

This interesting experiment has the following results

1) first case. Sheet on top of book

In this case the two objects reach the floor at the same time.

This shows that the acceleration in the two objects is the same and we call it the acceleration of gravity.

The speed of the body increases as it goes down linearly.

This occurs because the book that receives air resistance is much heavier, so the resistance has almost no effect on its movement, the sheet does not have the air resistance because it goes down next to the book.

2) second case. Book and sheet next to each other.

In this case the book reaches the floor much earlier than the foil.

This is because the resisting force of the air has almost no effect on the book and its movement is little affected by this force.

In the case of the blade, it has very little weight, therefore as its speed increases, the resistance force of the air rapidly equals the weight of the blade.

W_sheet - fr = 0

so after this, since the acceleration is zero, it goes down at constant speed, this speed is called the terminal velocity.

In conclusion, the difference in motion between the two systems subjected to the same acceleration depends on the weight of the body and friction force, when the body has less weight, the friction of the air affects it more.

User Barry Meijer
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4.9k points