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Your group is conducting an experiment to test the effect of Earth's gravity on objects of different masses. Your group drops four different objects over the 2nd floor railing and measures how long it takes them to hit the ground. On your first try, you drop a textbook, pencil, marker, and flat sheet of paper. You notice that although the textbook, pencil, and marker all hit the ground at the same time, the piece of paper did not. You learned in science that on Earth the acceleration due to gravity is constant regardless of mass, so you expected that all four objects would all hit the ground at the same time.

User Kartsims
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YES

As we see that the paper did not fall at the same time but we see the other items having heavy weight hit the ground at the same time .

It shows that heavier the things we get to see a greater gravitational force. And a lower acceleration . As a result these two effects exactly cancel to make falling objects have the same acceleration regardless of mass. That's why the heavy item fall at the same time and the light later.

User Michael Grogan
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