All Textbook Topics - Forces and Motion - Balanced and Unbalanced Forces on objects that can move - An object with unbalanced forces will experience a change in velocity (an acceleration)

An object with unbalanced forces will experience a change in velocity (an acceleration)

In the diagram below, the object has unbalanced forces acting on it. This means that its velocity will change. In this case, the resultant force is forwards so the velocity of the car will increase.

In this next diagram, the object also has unbalanced forces so its velocity will also change. In this case the resultant force is backwards so it will slow down.

Hint: the technical term for a change in velocity is an acceleration. You can use the term deceleration if an object is slowing down.

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If an object has two forces acting on it in opposite directions and with different magnitudes, then the forces on that object are unbalanced
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