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Why will a sheet of paper fall slower than one that is crumpled into a ball?
When a sheet of paper is crumbled into a ball, then its surface area becomes than the surface area of a plain non-crumpled sheet of paper.
Hence, the exerted by air on the sheet is than the force exerted on the ball.
Hence the sheet falls slower as compared to a paper ball.
Answer variants:
much lesser
upward force
greater
downward force
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