In an experiment, the part that stays the same is called the variable conclusion analysis constant

Constant

-Variables, conclusions, and even analysis can change throughout an experiment.
-Constants are the "Controlled Variable", the one that scientists don't want to change and stay "constant".

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If there was no gravity then their would be no downword force on the football to have it return the the grownd, and if there was no friction (mainly air friction) then there would be no opposing force the stop the ball from moving through the air allowing the ball to travle ∞.

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