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What is the error of the statement by Aristotle, "The rate of fall of an object depends upon its mass."
My science book asks this and I cant figure it out.
- Zachary (age 10)
According to Aristotle, heavy things will fall faster than light
things. He thought that if you drop a rock, it will fall faster than an
orange. Many years later, another scientist found out that Aristotle
was wrong. The rock and the orange fell at the same speed!
You can even try this yourself. Go outside and drop a small rock
and a bigger rock at the same time. They both hit the ground at the
You might say, "But a feather falls really slowly." That happens
because there is air between the ground and the feather. While it is
falling, the poor feather has to push it's way through the air. That
slows it down a lot like when you try to walk in the snow.
(published on 10/22/2007)
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