In order to produce a change in motion, a force must be a(n)…?

unbalanced force

MotionMotion is the phenomena in which an object's position varies over time.Displacement, distance, velocity, acceleration, speed, and time are all mathematical words used to describe motion.In order to produce a change in motion, a force must be an unbalanced forceAn object is said to be acted on by an unbalanced force when an individual force is not balanced by a force of equal size and in the opposite direction.

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One splits the atoms and molecules  the other combines them