If a crumpled piece of notebook paper and a flat sheet of notebook paper are dropped at the same time from the same height, why does the crumpled piece of paper land first?A The crumpled paper has more gravitational force exerted on it.B The flat paper has more air resistance.C The flat paper has more mass.D The crumpled paper has less mass.
Question
If a crumpled piece of notebook paper and a flat sheet of notebook paper are dropped at the same time from the same height, why does the crumpled piece of paper land first?A The crumpled paper has more gravitational force exerted on it.B The flat paper has more air resistance.C The flat paper has more mass.D The crumpled paper has less mass.
Solution
The crumpled piece of paper lands first because the flat paper has more air resistance. When you crumple a piece of paper, you decrease its surface area, which reduces the amount of air resistance it experiences as it falls. On the other hand, a flat sheet of paper has a larger surface area and therefore experiences more air resistance. This slows down its fall, causing it to land after the crumpled paper. The mass and gravitational force exerted on both papers are the same (assuming they are the same size and made from the same material), so these factors do not affect which lands first. Therefore, the correct answer is B. The flat paper has more air resistance.
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