1.

A piece of paper and a coin, both of equal mass, are dropped from the 10th floor of a building. A piece of paper will take longer to reach the ground, because . . .

A. Gravitational force is less on paper than on coin
B. The buoyant force is greater on a piece of paper than on a coin
C. The buoyant force on the coin is high and it acts in a downward direction.
D. A piece of paper travels a longer path to reach the ground surface.
Answer» C. The buoyant force on the coin is high and it acts in a downward direction.


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