Take a sheet of paper and a stone. Drop then simultaneously from the first floor of a building.
What will you see? Give reason for your observation.

Explanation

We will see that the paper will reach th ground a little later than the stone. This happen because the fall is through air. The air offers resistance to the motion, due to friction to the falling objects. Th resistance offered to the paper is more than the resistance offered by, air to the stone. Also, wind may deflect the paper side ways.