A 5-kg iron ball and a 10-kg iron ball are dropped from rest. For negligible air resistance, what will the acceleration of the heavier ball be?

1 Answer
Michael
Feb 19, 2017

#sf(9.81color(white)(x)"m/s"^2)#

Explanation:

Both balls will have an acceleration of g which is usually taken to be #sf(9.81color(white)(x)"m/s"^2)#.

This does not depend on their mass.

Galileo showed this in his famous experiment at The Leaning Tower of Pisa:

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