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What force decreases the acceleration of two objects moving against each other?

a. Gravity
c. Friction
b. Air resistance
d. Mass

User Ablemike
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1 Answer

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It would be "friction" that is the force that decreases the acceleration of two objects moving against each other, since friction causes some of the kinetic energy of the objects to be converted into other forms, such as heat. 
User Goodnesskay
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