2. what happens to gravitational acceleration if you increase gravitational
attraction

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the strength of the gravitational force between two objects depends on two factors, mass and distance. the force of gravity the masses exert on each other. if one of the masses is doubled, the force of gravity between the objects is doubled. increases, the force of gravity decreases.

The chemical reactions lab we did is typically called a "copper plating lab,  because the acid solution cleaned the pennies and made the copper look shinier;   the acid solution cleaned the paperclips and made them look like pennies;   &   the copper from the pennies was removed, and then added to the paperclips.