
Concept explainers
The reason for the freefall of book but not the sheet of paper.

Answer to Problem 47SSC
The falling book is the good example of free fall but not the sheet of the paper due to the less air resistance on the book than the sheet of the paper.
Explanation of Solution
Introduction:
The motion of the object in which the object falls under the effect of the gravity is called free fall.
The necessary condition of the free fall is that air resistance does not consider in the free fall. The sheet of the paper does not follow freefall motion due the dominating effect of the air resistance. The does not experiences the air resistance in the freefall due to the larger mass than the sheet of the paper.
Conclusion:
Thus, the falling book is the good example of free fall but not the sheet of the paper due to the less air resistance on the book than the sheet of the paper.
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